chrome/common/localized_error.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/localized_error.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "base/logging.h"
   9 #include "base/strings/string16.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/values.h"
  14 #include "chrome/grit/chromium_strings.h"
  15 #include "chrome/grit/generated_resources.h"
  16 #include "components/error_page/common/error_page_params.h"
  17 #include "components/error_page/common/net_error_info.h"
  18 #include "net/base/escape.h"
  19 #include "net/base/net_errors.h"
  20 #include "net/base/net_util.h"
  21 #include "third_party/WebKit/public/platform/WebURLError.h"
  22 #include "ui/base/l10n/l10n_util.h"
  23 #include "ui/base/webui/web_ui_util.h"
  24
  25 #if defined(OS_WIN)
  26 #include "base/win/windows_version.h"
  27 #endif
  28
  29 #if defined(ENABLE_EXTENSIONS)
  30 #include "extensions/common/constants.h"
  31 #include "extensions/common/extension_icon_set.h"
  32 #include "extensions/common/manifest_handlers/icons_handler.h"
  33 #endif
  34
  35 using blink::WebURLError;
  36
  37 // Some error pages have no details.
  38 const unsigned int kErrorPagesNoDetails = 0;
  39
  40 namespace {
  41
  42 static const char kRedirectLoopLearnMoreUrl[] =
  43     "https://www.google.com/support/chrome/bin/answer.py?answer=95626";
  44 static const char kWeakDHKeyLearnMoreUrl[] =
  45     "http://sites.google.com/a/chromium.org/dev/"
  46     "err_ssl_weak_server_ephemeral_dh_key";
  47 static const char kSSLv3FallbackUrl[] =
  48     "https://code.google.com/p/chromium/issues/detail?id=418848";
  49 #if defined(OS_CHROMEOS)
  50 static const char kAppWarningLearnMoreUrl[] =
  51     "chrome-extension://honijodknafkokifofgiaalefdiedpko/main.html"
  52     "?answer=1721911";
  53 #endif  // defined(OS_CHROMEOS)
  54
  55 enum NAV_SUGGESTIONS {
  56   SUGGEST_NONE                  = 0,
  57   SUGGEST_RELOAD                = 1 << 0,
  58   SUGGEST_CHECK_CONNECTION      = 1 << 1,
  59   SUGGEST_DNS_CONFIG            = 1 << 2,
  60   SUGGEST_FIREWALL_CONFIG       = 1 << 3,
  61   SUGGEST_PROXY_CONFIG          = 1 << 4,
  62   SUGGEST_DISABLE_EXTENSION     = 1 << 5,
  63   SUGGEST_LEARNMORE             = 1 << 6,
  64   SUGGEST_VIEW_POLICIES         = 1 << 7,
  65   SUGGEST_CONTACT_ADMINISTRATOR = 1 << 8,
  66 };
  67
  68 struct LocalizedErrorMap {
  69   int error_code;
  70   unsigned int title_resource_id;
  71   unsigned int heading_resource_id;
  72   // Detailed summary used when the error is in the main frame.
  73   unsigned int summary_resource_id;
  74   // Short one sentence description shown on mouse over when the error is in
  75   // a frame.
  76   unsigned int details_resource_id;
  77   int suggestions;  // Bitmap of SUGGEST_* values.
  78 };
  79
  80 const LocalizedErrorMap net_error_options[] = {
  81   {net::ERR_TIMED_OUT,
  82    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
  83    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
  84    IDS_ERRORPAGES_SUMMARY_TIMED_OUT,
  85    IDS_ERRORPAGES_DETAILS_TIMED_OUT,
  86    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
  87        SUGGEST_PROXY_CONFIG,
  88   },
  89   {net::ERR_CONNECTION_TIMED_OUT,
  90    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
  91    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
  92    IDS_ERRORPAGES_SUMMARY_TIMED_OUT,
  93    IDS_ERRORPAGES_DETAILS_TIMED_OUT,
  94    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
  95        SUGGEST_PROXY_CONFIG,
  96   },
  97   {net::ERR_CONNECTION_CLOSED,
  98    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
  99    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 100    IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
 101    IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
 102    SUGGEST_RELOAD,
 103   },
 104   {net::ERR_CONNECTION_RESET,
 105    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 106    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 107    IDS_ERRORPAGES_SUMMARY_CONNECTION_RESET,
 108    IDS_ERRORPAGES_DETAILS_CONNECTION_RESET,
 109    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
 110        SUGGEST_PROXY_CONFIG,
 111   },
 112   {net::ERR_CONNECTION_REFUSED,
 113    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 114    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 115    IDS_ERRORPAGES_SUMMARY_CONNECTION_REFUSED,
 116    IDS_ERRORPAGES_DETAILS_CONNECTION_REFUSED,
 117    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG |
 118        SUGGEST_PROXY_CONFIG,
 119   },
 120   {net::ERR_CONNECTION_FAILED,
 121    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 122    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 123    IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
 124    IDS_ERRORPAGES_DETAILS_CONNECTION_FAILED,
 125    SUGGEST_RELOAD,
 126   },
 127   {net::ERR_NAME_NOT_RESOLVED,
 128    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 129    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 130    IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
 131    IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
 132    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_DNS_CONFIG |
 133        SUGGEST_FIREWALL_CONFIG | SUGGEST_PROXY_CONFIG,
 134   },
 135   {net::ERR_ADDRESS_UNREACHABLE,
 136    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 137    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 138    IDS_ERRORPAGES_SUMMARY_ADDRESS_UNREACHABLE,
 139    IDS_ERRORPAGES_DETAILS_ADDRESS_UNREACHABLE,
 140    SUGGEST_RELOAD | SUGGEST_FIREWALL_CONFIG | SUGGEST_PROXY_CONFIG,
 141   },
 142   {net::ERR_NETWORK_ACCESS_DENIED,
 143    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 144    IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
 145    IDS_ERRORPAGES_SUMMARY_NETWORK_ACCESS_DENIED,
 146    IDS_ERRORPAGES_DETAILS_NETWORK_ACCESS_DENIED,
 147    SUGGEST_FIREWALL_CONFIG,
 148   },
 149   {net::ERR_PROXY_CONNECTION_FAILED,
 150    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 151    IDS_ERRORPAGES_HEADING_PROXY_CONNECTION_FAILED,
 152    IDS_ERRORPAGES_SUMMARY_PROXY_CONNECTION_FAILED,
 153    IDS_ERRORPAGES_DETAILS_PROXY_CONNECTION_FAILED,
 154    SUGGEST_PROXY_CONFIG,
 155   },
 156   {net::ERR_INTERNET_DISCONNECTED,
 157    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 158    IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
 159    IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED,
 160    IDS_ERRORPAGES_DETAILS_INTERNET_DISCONNECTED,
 161    SUGGEST_NONE,
 162   },
 163   {net::ERR_FILE_NOT_FOUND,
 164    IDS_ERRORPAGES_TITLE_NOT_FOUND,
 165    IDS_ERRORPAGES_HEADING_NOT_FOUND,
 166    IDS_ERRORPAGES_SUMMARY_NOT_FOUND,
 167    IDS_ERRORPAGES_DETAILS_FILE_NOT_FOUND,
 168    SUGGEST_NONE,
 169   },
 170   {net::ERR_CACHE_MISS,
 171    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 172    IDS_ERRORPAGES_HEADING_CACHE_MISS,
 173    IDS_ERRORPAGES_SUMMARY_CACHE_MISS,
 174    IDS_ERRORPAGES_DETAILS_CACHE_MISS,
 175    SUGGEST_RELOAD,
 176   },
 177   {net::ERR_CACHE_READ_FAILURE,
 178    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 179    IDS_ERRORPAGES_HEADING_CACHE_READ_FAILURE,
 180    IDS_ERRORPAGES_SUMMARY_CACHE_READ_FAILURE,
 181    IDS_ERRORPAGES_DETAILS_CACHE_READ_FAILURE,
 182    SUGGEST_RELOAD,
 183   },
 184   {net::ERR_NETWORK_IO_SUSPENDED,
 185    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 186    IDS_ERRORPAGES_HEADING_NETWORK_IO_SUSPENDED,
 187    IDS_ERRORPAGES_SUMMARY_NETWORK_IO_SUSPENDED,
 188    IDS_ERRORPAGES_DETAILS_NETWORK_IO_SUSPENDED,
 189    SUGGEST_RELOAD,
 190   },
 191   {net::ERR_TOO_MANY_REDIRECTS,
 192    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 193    IDS_ERRORPAGES_HEADING_TOO_MANY_REDIRECTS,
 194    IDS_ERRORPAGES_SUMMARY_TOO_MANY_REDIRECTS,
 195    IDS_ERRORPAGES_DETAILS_TOO_MANY_REDIRECTS,
 196    SUGGEST_RELOAD | SUGGEST_LEARNMORE,
 197   },
 198   {net::ERR_EMPTY_RESPONSE,
 199    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 200    IDS_ERRORPAGES_HEADING_EMPTY_RESPONSE,
 201    IDS_ERRORPAGES_SUMMARY_EMPTY_RESPONSE,
 202    IDS_ERRORPAGES_DETAILS_EMPTY_RESPONSE,
 203    SUGGEST_RELOAD,
 204   },
 205   {net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
 206    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 207    IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
 208    IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
 209    IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH,
 210    SUGGEST_NONE,
 211   },
 212   {net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
 213    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 214    IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
 215    IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
 216    IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION,
 217    SUGGEST_NONE,
 218   },
 219   {net::ERR_RESPONSE_HEADERS_MULTIPLE_LOCATION,
 220    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 221    IDS_ERRORPAGES_HEADING_DUPLICATE_HEADERS,
 222    IDS_ERRORPAGES_SUMMARY_DUPLICATE_HEADERS,
 223    IDS_ERRORPAGES_DETAILS_RESPONSE_HEADERS_MULTIPLE_LOCATION,
 224    SUGGEST_NONE,
 225   },
 226   {net::ERR_CONTENT_LENGTH_MISMATCH,
 227    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 228    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 229    IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
 230    IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
 231    SUGGEST_RELOAD,
 232   },
 233   {net::ERR_INCOMPLETE_CHUNKED_ENCODING,
 234    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 235    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 236    IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
 237    IDS_ERRORPAGES_DETAILS_CONNECTION_CLOSED,
 238    SUGGEST_RELOAD,
 239   },
 240   {net::ERR_SSL_PROTOCOL_ERROR,
 241    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 242    IDS_ERRORPAGES_HEADING_SSL_PROTOCOL_ERROR,
 243    IDS_ERRORPAGES_SUMMARY_SSL_PROTOCOL_ERROR,
 244    IDS_ERRORPAGES_DETAILS_SSL_PROTOCOL_ERROR,
 245    SUGGEST_NONE,
 246   },
 247   {net::ERR_SSL_UNSAFE_NEGOTIATION,
 248    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 249    IDS_ERRORPAGES_HEADING_SSL_PROTOCOL_ERROR,
 250    IDS_ERRORPAGES_SUMMARY_SSL_PROTOCOL_ERROR,
 251    IDS_ERRORPAGES_DETAILS_SSL_UNSAFE_NEGOTIATION,
 252    SUGGEST_NONE,
 253   },
 254   {net::ERR_BAD_SSL_CLIENT_AUTH_CERT,
 255    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 256    IDS_ERRORPAGES_HEADING_BAD_SSL_CLIENT_AUTH_CERT,
 257    IDS_ERRORPAGES_SUMMARY_BAD_SSL_CLIENT_AUTH_CERT,
 258    IDS_ERRORPAGES_DETAILS_BAD_SSL_CLIENT_AUTH_CERT,
 259    SUGGEST_NONE,
 260   },
 261   {net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY,
 262    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 263    IDS_ERRORPAGES_HEADING_WEAK_SERVER_EPHEMERAL_DH_KEY,
 264    IDS_ERRORPAGES_SUMMARY_WEAK_SERVER_EPHEMERAL_DH_KEY,
 265    IDS_ERRORPAGES_DETAILS_SSL_PROTOCOL_ERROR,
 266    SUGGEST_LEARNMORE,
 267   },
 268   {net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN,
 269    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 270    IDS_ERRORPAGES_HEADING_PINNING_FAILURE,
 271    IDS_ERRORPAGES_SUMMARY_PINNING_FAILURE,
 272    IDS_ERRORPAGES_DETAILS_PINNING_FAILURE,
 273    SUGGEST_NONE,
 274   },
 275   {net::ERR_TEMPORARILY_THROTTLED,
 276    IDS_ERRORPAGES_TITLE_ACCESS_DENIED,
 277    IDS_ERRORPAGES_HEADING_ACCESS_DENIED,
 278    IDS_ERRORPAGES_SUMMARY_TEMPORARILY_THROTTLED,
 279    IDS_ERRORPAGES_DETAILS_TEMPORARILY_THROTTLED,
 280    SUGGEST_NONE,
 281   },
 282   {net::ERR_BLOCKED_BY_CLIENT,
 283    IDS_ERRORPAGES_TITLE_BLOCKED,
 284    IDS_ERRORPAGES_HEADING_BLOCKED,
 285    IDS_ERRORPAGES_SUMMARY_BLOCKED,
 286    IDS_ERRORPAGES_DETAILS_BLOCKED,
 287    SUGGEST_RELOAD | SUGGEST_DISABLE_EXTENSION,
 288   },
 289   {net::ERR_NETWORK_CHANGED,
 290    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 291    IDS_ERRORPAGES_HEADING_NETWORK_ACCESS_DENIED,
 292    IDS_ERRORPAGES_SUMMARY_NETWORK_CHANGED,
 293    IDS_ERRORPAGES_DETAILS_NETWORK_CHANGED,
 294    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION,
 295   },
 296   {net::ERR_BLOCKED_BY_ADMINISTRATOR,
 297    IDS_ERRORPAGES_TITLE_BLOCKED,
 298    IDS_ERRORPAGES_HEADING_BLOCKED_BY_ADMINISTRATOR,
 299    IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_ADMINISTRATOR,
 300    IDS_ERRORPAGES_DETAILS_BLOCKED_BY_ADMINISTRATOR,
 301    SUGGEST_VIEW_POLICIES | SUGGEST_CONTACT_ADMINISTRATOR,
 302   },
 303   {net::ERR_BLOCKED_ENROLLMENT_CHECK_PENDING,
 304    IDS_ERRORPAGES_TITLE_BLOCKED,
 305    IDS_ERRORPAGES_HEADING_BLOCKED_BY_ADMINISTRATOR,
 306    IDS_ERRORPAGES_SUMMARY_BLOCKED_ENROLLMENT_CHECK_PENDING,
 307    IDS_ERRORPAGES_DETAILS_BLOCKED_ENROLLMENT_CHECK_PENDING,
 308    SUGGEST_CHECK_CONNECTION,
 309   },
 310   {net::ERR_SSL_FALLBACK_BEYOND_MINIMUM_VERSION,
 311    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 312    IDS_ERRORPAGES_HEADING_SSL_FALLBACK_BEYOND_MINIMUM_VERSION,
 313    IDS_ERRORPAGES_SUMMARY_SSL_FALLBACK_BEYOND_MINIMUM_VERSION,
 314    IDS_ERRORPAGES_DETAILS_SSL_FALLBACK_BEYOND_MINIMUM_VERSION,
 315    SUGGEST_LEARNMORE,
 316   },
 317 };
 318
 319 // Special error page to be used in the case of navigating back to a page
 320 // generated by a POST.  LocalizedError::HasStrings expects this net error code
 321 // to also appear in the array above.
 322 const LocalizedErrorMap repost_error = {
 323   net::ERR_CACHE_MISS,
 324   IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 325   IDS_HTTP_POST_WARNING_TITLE,
 326   IDS_ERRORPAGES_HTTP_POST_WARNING,
 327   IDS_ERRORPAGES_DETAILS_CACHE_MISS,
 328   SUGGEST_RELOAD,
 329 };
 330
 331 const LocalizedErrorMap http_error_options[] = {
 332   {403,
 333    IDS_ERRORPAGES_TITLE_ACCESS_DENIED,
 334    IDS_ERRORPAGES_HEADING_ACCESS_DENIED,
 335    IDS_ERRORPAGES_SUMMARY_FORBIDDEN,
 336    IDS_ERRORPAGES_DETAILS_FORBIDDEN,
 337    SUGGEST_NONE,
 338   },
 339   {410,
 340    IDS_ERRORPAGES_TITLE_NOT_FOUND,
 341    IDS_ERRORPAGES_HEADING_NOT_FOUND,
 342    IDS_ERRORPAGES_SUMMARY_GONE,
 343    IDS_ERRORPAGES_DETAILS_GONE,
 344    SUGGEST_NONE,
 345   },
 346
 347   {500,
 348    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 349    IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
 350    IDS_ERRORPAGES_SUMMARY_INTERNAL_SERVER_ERROR,
 351    IDS_ERRORPAGES_DETAILS_INTERNAL_SERVER_ERROR,
 352    SUGGEST_RELOAD,
 353   },
 354   {501,
 355    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 356    IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
 357    IDS_ERRORPAGES_SUMMARY_WEBSITE_CANNOT_HANDLE,
 358    IDS_ERRORPAGES_DETAILS_NOT_IMPLEMENTED,
 359    SUGGEST_NONE,
 360   },
 361   {502,
 362    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 363    IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
 364    IDS_ERRORPAGES_SUMMARY_BAD_GATEWAY,
 365    IDS_ERRORPAGES_DETAILS_BAD_GATEWAY,
 366    SUGGEST_RELOAD,
 367   },
 368   {503,
 369    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 370    IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
 371    IDS_ERRORPAGES_SUMMARY_SERVICE_UNAVAILABLE,
 372    IDS_ERRORPAGES_DETAILS_SERVICE_UNAVAILABLE,
 373    SUGGEST_RELOAD,
 374   },
 375   {504,
 376    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 377    IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
 378    IDS_ERRORPAGES_SUMMARY_GATEWAY_TIMEOUT,
 379    IDS_ERRORPAGES_DETAILS_GATEWAY_TIMEOUT,
 380    SUGGEST_RELOAD,
 381   },
 382   {505,
 383    IDS_ERRORPAGES_TITLE_LOAD_FAILED,
 384    IDS_ERRORPAGES_HEADING_HTTP_SERVER_ERROR,
 385    IDS_ERRORPAGES_SUMMARY_WEBSITE_CANNOT_HANDLE,
 386    IDS_ERRORPAGES_DETAILS_HTTP_VERSION_NOT_SUPPORTED,
 387    SUGGEST_NONE,
 388   },
 389 };
 390
 391 const LocalizedErrorMap dns_probe_error_options[] = {
 392   {chrome_common_net::DNS_PROBE_POSSIBLE,
 393    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 394    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 395    IDS_ERRORPAGES_SUMMARY_DNS_PROBE_RUNNING,
 396    IDS_ERRORPAGES_DETAILS_DNS_PROBE_RUNNING,
 397    SUGGEST_RELOAD,
 398   },
 399
 400   // DNS_PROBE_NOT_RUN is not here; NetErrorHelper will restore the original
 401   // error, which might be one of several DNS-related errors.
 402
 403   {chrome_common_net::DNS_PROBE_STARTED,
 404    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 405    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 406    IDS_ERRORPAGES_SUMMARY_DNS_PROBE_RUNNING,
 407    IDS_ERRORPAGES_DETAILS_DNS_PROBE_RUNNING,
 408    // Include SUGGEST_RELOAD so the More button doesn't jump when we update.
 409    SUGGEST_RELOAD,
 410   },
 411
 412   // DNS_PROBE_FINISHED_UNKNOWN is not here; NetErrorHelper will restore the
 413   // original error, which might be one of several DNS-related errors.
 414
 415   {chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET,
 416    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 417    IDS_ERRORPAGES_HEADING_INTERNET_DISCONNECTED,
 418    IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED,
 419    IDS_ERRORPAGES_DETAILS_INTERNET_DISCONNECTED,
 420    SUGGEST_RELOAD | SUGGEST_CHECK_CONNECTION | SUGGEST_FIREWALL_CONFIG,
 421   },
 422   {chrome_common_net::DNS_PROBE_FINISHED_BAD_CONFIG,
 423    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 424    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 425    IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
 426    IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
 427    SUGGEST_RELOAD | SUGGEST_DNS_CONFIG | SUGGEST_FIREWALL_CONFIG,
 428   },
 429   {chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN,
 430    IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 431    IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 432    IDS_ERRORPAGES_SUMMARY_NAME_NOT_RESOLVED,
 433    IDS_ERRORPAGES_DETAILS_NAME_NOT_RESOLVED,
 434    SUGGEST_RELOAD,
 435   },
 436 };
 437
 438 const LocalizedErrorMap* FindErrorMapInArray(const LocalizedErrorMap* maps,
 439                                                    size_t num_maps,
 440                                                    int error_code) {
 441   for (size_t i = 0; i < num_maps; ++i) {
 442     if (maps[i].error_code == error_code)
 443       return &maps[i];
 444   }
 445   return NULL;
 446 }
 447
 448 const LocalizedErrorMap* LookupErrorMap(const std::string& error_domain,
 449                                         int error_code, bool is_post) {
 450   if (error_domain == net::kErrorDomain) {
 451     // Display a different page in the special case of navigating through the
 452     // history to an uncached page created by a POST.
 453     if (is_post && error_code == net::ERR_CACHE_MISS)
 454       return &repost_error;
 455     return FindErrorMapInArray(net_error_options,
 456                                arraysize(net_error_options),
 457                                error_code);
 458   } else if (error_domain == LocalizedError::kHttpErrorDomain) {
 459     return FindErrorMapInArray(http_error_options,
 460                                arraysize(http_error_options),
 461                                error_code);
 462   } else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
 463     const LocalizedErrorMap* map =
 464         FindErrorMapInArray(dns_probe_error_options,
 465                             arraysize(dns_probe_error_options),
 466                             error_code);
 467     DCHECK(map);
 468     return map;
 469   } else {
 470     NOTREACHED();
 471     return NULL;
 472   }
 473 }
 474
 475 bool LocaleIsRTL() {
 476   return base::i18n::IsRTL();
 477 }
 478
 479 // Returns a dictionary containing the strings for the settings menu under the
 480 // wrench, and the advanced settings button.
 481 base::DictionaryValue* GetStandardMenuItemsText() {
 482   base::DictionaryValue* standard_menu_items_text = new base::DictionaryValue();
 483   standard_menu_items_text->SetString("settingsTitle",
 484       l10n_util::GetStringUTF16(IDS_SETTINGS_TITLE));
 485   standard_menu_items_text->SetString("advancedTitle",
 486       l10n_util::GetStringUTF16(IDS_SETTINGS_SHOW_ADVANCED_SETTINGS));
 487   return standard_menu_items_text;
 488 }
 489
 490 // Gets the icon class for a given |error_domain| and |error_code|.
 491 const char* GetIconClassForError(const std::string& error_domain,
 492                                  int error_code) {
 493   if ((error_code == net::ERR_INTERNET_DISCONNECTED &&
 494        error_domain == net::kErrorDomain) ||
 495       (error_code == chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET &&
 496        error_domain == chrome_common_net::kDnsProbeErrorDomain))
 497     return "icon-offline";
 498
 499   return "icon-generic";
 500 }
 501
 502 }  // namespace
 503
 504 const char LocalizedError::kHttpErrorDomain[] = "http";
 505
 506 void LocalizedError::GetStrings(int error_code,
 507                                 const std::string& error_domain,
 508                                 const GURL& failed_url,
 509                                 bool is_post,
 510                                 bool show_stale_load_button,
 511                                 const std::string& locale,
 512                                 const std::string& accept_languages,
 513                                 scoped_ptr<error_page::ErrorPageParams> params,
 514                                 base::DictionaryValue* error_strings) {
 515   bool rtl = LocaleIsRTL();
 516   error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
 517   webui::SetFontAndTextDirection(error_strings);
 518
 519   // Grab the strings and settings that depend on the error type.  Init
 520   // options with default values.
 521   LocalizedErrorMap options = {
 522     0,
 523     IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 524     IDS_ERRORPAGES_HEADING_NOT_AVAILABLE,
 525     IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
 526     kErrorPagesNoDetails,
 527     SUGGEST_NONE,
 528   };
 529
 530   const LocalizedErrorMap* error_map = LookupErrorMap(error_domain, error_code,
 531                                                       is_post);
 532   if (error_map)
 533     options = *error_map;
 534
 535   // If we got "access denied" but the url was a file URL, then we say it was a
 536   // file instead of just using the "not available" default message. Just adding
 537   // ERR_ACCESS_DENIED to the map isn't sufficient, since that message may be
 538   // generated by some OSs when the operation doesn't involve a file URL.
 539   if (error_domain == net::kErrorDomain &&
 540       error_code == net::ERR_ACCESS_DENIED &&
 541       failed_url.scheme() == "file") {
 542     options.title_resource_id = IDS_ERRORPAGES_TITLE_ACCESS_DENIED;
 543     options.heading_resource_id = IDS_ERRORPAGES_HEADING_FILE_ACCESS_DENIED;
 544     options.summary_resource_id = IDS_ERRORPAGES_SUMMARY_FILE_ACCESS_DENIED;
 545     options.details_resource_id = IDS_ERRORPAGES_DETAILS_FILE_ACCESS_DENIED;
 546     options.suggestions = SUGGEST_NONE;
 547   }
 548
 549   base::string16 failed_url_string(net::FormatUrl(
 550       failed_url, accept_languages, net::kFormatUrlOmitNothing,
 551       net::UnescapeRule::NORMAL, NULL, NULL, NULL));
 552   // URLs are always LTR.
 553   if (rtl)
 554     base::i18n::WrapStringWithLTRFormatting(&failed_url_string);
 555   error_strings->SetString("title",
 556       l10n_util::GetStringFUTF16(options.title_resource_id, failed_url_string));
 557   error_strings->SetString("heading",
 558       l10n_util::GetStringUTF16(options.heading_resource_id));
 559
 560   std::string icon_class = GetIconClassForError(error_domain, error_code);
 561   error_strings->SetString("iconClass", icon_class);
 562
 563   base::DictionaryValue* summary = new base::DictionaryValue;
 564
 565   // For offline show a summary message underneath the heading.
 566   if (error_code == net::ERR_INTERNET_DISCONNECTED ||
 567       error_code == chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET) {
 568     error_strings->SetString("primaryParagraph",
 569         l10n_util::GetStringUTF16(options.summary_resource_id));
 570   } else {
 571     // Set summary message in the details.
 572     summary->SetString("msg",
 573         l10n_util::GetStringUTF16(options.summary_resource_id));
 574   }
 575   summary->SetString("failedUrl", failed_url_string);
 576   summary->SetString("hostName", net::IDNToUnicode(failed_url.host(),
 577                                                    accept_languages));
 578   summary->SetString("productName",
 579                      l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
 580
 581   error_strings->SetString(
 582       "details", l10n_util::GetStringUTF16(IDS_ERRORPAGE_NET_BUTTON_DETAILS));
 583   error_strings->SetString(
 584       "hideDetails", l10n_util::GetStringUTF16(
 585           IDS_ERRORPAGE_NET_BUTTON_HIDE_DETAILS));
 586   error_strings->Set("summary", summary);
 587
 588   if (options.details_resource_id != kErrorPagesNoDetails) {
 589     error_strings->SetString(
 590         "errorDetails", l10n_util::GetStringUTF16(options.details_resource_id));
 591   }
 592
 593   base::string16 error_string;
 594   if (error_domain == net::kErrorDomain) {
 595     // Non-internationalized error string, for debugging Chrome itself.
 596     error_string = base::ASCIIToUTF16(net::ErrorToShortString(error_code));
 597   } else if (error_domain == chrome_common_net::kDnsProbeErrorDomain) {
 598     std::string ascii_error_string =
 599         chrome_common_net::DnsProbeStatusToString(error_code);
 600     error_string = base::ASCIIToUTF16(ascii_error_string);
 601   } else {
 602     DCHECK_EQ(LocalizedError::kHttpErrorDomain, error_domain);
 603     error_string = base::IntToString16(error_code);
 604   }
 605   error_strings->SetString("errorCode",
 606       l10n_util::GetStringFUTF16(IDS_ERRORPAGES_ERROR_CODE, error_string));
 607
 608   // Platform specific information for diagnosing network issues on OSX and
 609   // Windows.
 610 #if defined(OS_MACOSX) || defined(OS_WIN)
 611   if (error_domain == net::kErrorDomain &&
 612       error_code == net::ERR_INTERNET_DISCONNECTED) {
 613     int platform_string_id =
 614         IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM;
 615 #if defined(OS_WIN)
 616     // Different versions of Windows have different instructions.
 617     base::win::Version windows_version = base::win::GetVersion();
 618     if (windows_version < base::win::VERSION_VISTA) {
 619       // XP, XP64, and Server 2003.
 620       platform_string_id =
 621           IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_XP;
 622     } else if (windows_version == base::win::VERSION_VISTA) {
 623       // Vista
 624       platform_string_id =
 625           IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_VISTA;
 626     }
 627 #endif  // defined(OS_WIN)
 628     // Platform dependent portion of the summary section.
 629     summary->SetString("msg",
 630         l10n_util::GetStringFUTF16(
 631             IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_INSTRUCTIONS_TEMPLATE,
 632             l10n_util::GetStringUTF16(platform_string_id)));
 633   }
 634 #endif  // defined(OS_MACOSX) || defined(OS_WIN)
 635
 636   // If no parameters were provided, use the defaults.
 637   if (!params) {
 638     params.reset(new error_page::ErrorPageParams());
 639     params->suggest_reload = !!(options.suggestions & SUGGEST_RELOAD);
 640   }
 641
 642   base::ListValue* suggestions = NULL;
 643   bool use_default_suggestions = true;
 644   if (!params->override_suggestions) {
 645     suggestions = new base::ListValue();
 646   } else {
 647     suggestions = params->override_suggestions.release();
 648     use_default_suggestions = false;
 649   }
 650
 651   error_strings->Set("suggestions", suggestions);
 652
 653   if (params->search_url.is_valid()) {
 654     error_strings->SetString("searchHeader",
 655         l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_GOOGLE_SEARCH));
 656     error_strings->SetString("searchUrl", params->search_url.spec());
 657     error_strings->SetString("searchTerms", params->search_terms);
 658     error_strings->SetInteger("searchTrackingId", params->search_tracking_id);
 659   }
 660
 661   // Add the reload suggestion, if needed.
 662   if (params->suggest_reload) {
 663     if (!is_post) {
 664       base::DictionaryValue* reload_button = new base::DictionaryValue;
 665       reload_button->SetString(
 666           "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_RELOAD));
 667       reload_button->SetString("reloadUrl", failed_url.spec());
 668       error_strings->Set("reloadButton", reload_button);
 669       reload_button->SetInteger("reloadTrackingId", params->reload_tracking_id);
 670     } else {
 671       // If the page was created by a post, it can't be reloaded in the same
 672       // way, so just add a suggestion instead.
 673       // TODO(mmenke):  Make the reload button bring up the repost confirmation
 674       //                dialog for pages resulting from posts.
 675       base::DictionaryValue* suggest_reload_repost = new base::DictionaryValue;
 676       suggest_reload_repost->SetString("header",
 677           l10n_util::GetStringUTF16(
 678               IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_HEADER));
 679       suggest_reload_repost->SetString("body",
 680           l10n_util::GetStringUTF16(
 681               IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_BODY));
 682       // Add at the front, so it appears before other suggestions, in the case
 683       // suggestions are being overridden by |params|.
 684       suggestions->Insert(0, suggest_reload_repost);
 685     }
 686   }
 687
 688   // If not using the default suggestions, nothing else to do.
 689   if (!use_default_suggestions)
 690     return;
 691
 692   if (show_stale_load_button) {
 693     base::DictionaryValue* stale_load_button = new base::DictionaryValue;
 694     stale_load_button->SetString(
 695         "msg", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE));
 696     stale_load_button->SetString(
 697         "title",
 698         l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_LOAD_STALE_HELP));
 699     error_strings->Set("staleLoadButton", stale_load_button);
 700   }
 701
 702 #if defined(OS_CHROMEOS)
 703   error_strings->SetString(
 704       "diagnose", l10n_util::GetStringUTF16(IDS_ERRORPAGES_BUTTON_DIAGNOSE));
 705 #endif  // defined(OS_CHROMEOS)
 706
 707   if (options.suggestions & SUGGEST_CHECK_CONNECTION) {
 708     base::DictionaryValue* suggest_check_connection = new base::DictionaryValue;
 709     suggest_check_connection->SetString("header",
 710         l10n_util::GetStringUTF16(
 711             IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_HEADER));
 712     suggest_check_connection->SetString("body",
 713         l10n_util::GetStringUTF16(
 714             IDS_ERRORPAGES_SUGGESTION_CHECK_CONNECTION_BODY));
 715     suggestions->Append(suggest_check_connection);
 716   }
 717
 718   if (options.suggestions & SUGGEST_DNS_CONFIG) {
 719     base::DictionaryValue* suggest_dns_config = new base::DictionaryValue;
 720     suggest_dns_config->SetString("header",
 721         l10n_util::GetStringUTF16(
 722             IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_HEADER));
 723     suggest_dns_config->SetString("body",
 724         l10n_util::GetStringUTF16(
 725             IDS_ERRORPAGES_SUGGESTION_DNS_CONFIG_BODY));
 726     suggestions->Append(suggest_dns_config);
 727
 728     base::DictionaryValue* suggest_network_prediction =
 729         GetStandardMenuItemsText();
 730     suggest_network_prediction->SetString("header",
 731         l10n_util::GetStringUTF16(
 732             IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_HEADER));
 733     suggest_network_prediction->SetString("body",
 734         l10n_util::GetStringUTF16(
 735             IDS_ERRORPAGES_SUGGESTION_NETWORK_PREDICTION_BODY));
 736     suggest_network_prediction->SetString(
 737         "noNetworkPredictionTitle",
 738         l10n_util::GetStringUTF16(
 739             IDS_NETWORK_PREDICTION_ENABLED_DESCRIPTION));
 740     suggestions->Append(suggest_network_prediction);
 741   }
 742
 743   if (options.suggestions & SUGGEST_FIREWALL_CONFIG) {
 744     base::DictionaryValue* suggest_firewall_config = new base::DictionaryValue;
 745     suggest_firewall_config->SetString("header",
 746         l10n_util::GetStringUTF16(
 747             IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_HEADER));
 748     suggest_firewall_config->SetString("body",
 749         l10n_util::GetStringUTF16(
 750             IDS_ERRORPAGES_SUGGESTION_FIREWALL_CONFIG_BODY));
 751     suggestions->Append(suggest_firewall_config);
 752   }
 753
 754   if (options.suggestions & SUGGEST_PROXY_CONFIG) {
 755     base::DictionaryValue* suggest_proxy_config = GetStandardMenuItemsText();
 756     suggest_proxy_config->SetString("header",
 757         l10n_util::GetStringUTF16(
 758             IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_HEADER));
 759     suggest_proxy_config->SetString("body",
 760         l10n_util::GetStringFUTF16(IDS_ERRORPAGES_SUGGESTION_PROXY_CONFIG_BODY,
 761             l10n_util::GetStringUTF16(
 762                 IDS_ERRORPAGES_SUGGESTION_PROXY_DISABLE_PLATFORM)));
 763     suggest_proxy_config->SetString("proxyTitle",
 764         l10n_util::GetStringUTF16(IDS_OPTIONS_PROXIES_CONFIGURE_BUTTON));
 765
 766     suggestions->Append(suggest_proxy_config);
 767   }
 768
 769   if (options.suggestions & SUGGEST_DISABLE_EXTENSION) {
 770     base::DictionaryValue* suggest_disable_extension =
 771         new base::DictionaryValue;
 772     // There's only a header for this suggestion.
 773     suggest_disable_extension->SetString("header",
 774         l10n_util::GetStringUTF16(
 775             IDS_ERRORPAGES_SUGGESTION_DISABLE_EXTENSION_HEADER));
 776     suggestions->Append(suggest_disable_extension);
 777   }
 778
 779   if (options.suggestions & SUGGEST_VIEW_POLICIES) {
 780     base::DictionaryValue* suggest_view_policies = new base::DictionaryValue;
 781     suggest_view_policies->SetString(
 782         "header",
 783         l10n_util::GetStringUTF16(
 784             IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_HEADER));
 785     suggest_view_policies->SetString(
 786         "body",
 787         l10n_util::GetStringUTF16(
 788             IDS_ERRORPAGES_SUGGESTION_VIEW_POLICIES_BODY));
 789     suggestions->Append(suggest_view_policies);
 790   }
 791
 792   if (options.suggestions & SUGGEST_CONTACT_ADMINISTRATOR) {
 793     base::DictionaryValue* suggest_contant_administrator =
 794         new base::DictionaryValue;
 795     suggest_contant_administrator->SetString(
 796         "body",
 797         l10n_util::GetStringUTF16(
 798             IDS_ERRORPAGES_SUGGESTION_CONTACT_ADMINISTRATOR_BODY));
 799     suggestions->Append(suggest_contant_administrator);
 800   }
 801
 802   if (options.suggestions & SUGGEST_LEARNMORE) {
 803     GURL learn_more_url;
 804     switch (options.error_code) {
 805       case net::ERR_TOO_MANY_REDIRECTS:
 806         learn_more_url = GURL(kRedirectLoopLearnMoreUrl);
 807         break;
 808       case net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY:
 809         learn_more_url = GURL(kWeakDHKeyLearnMoreUrl);
 810         break;
 811       case net::ERR_SSL_FALLBACK_BEYOND_MINIMUM_VERSION:
 812         learn_more_url = GURL(kSSLv3FallbackUrl);
 813         break;
 814       default:
 815         break;
 816     }
 817
 818     if (learn_more_url.is_valid()) {
 819       // Add the language parameter to the URL.
 820       std::string query = learn_more_url.query() + "&hl=" + locale;
 821       GURL::Replacements repl;
 822       repl.SetQueryStr(query);
 823       learn_more_url = learn_more_url.ReplaceComponents(repl);
 824
 825       base::DictionaryValue* suggest_learn_more = new base::DictionaryValue;
 826       // There's only a body for this suggestion.
 827       suggest_learn_more->SetString("body",
 828           l10n_util::GetStringUTF16(IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
 829       suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
 830       suggestions->Append(suggest_learn_more);
 831     }
 832   }
 833 }
 834
 835 base::string16 LocalizedError::GetErrorDetails(const blink::WebURLError& error,
 836                                                bool is_post) {
 837   const LocalizedErrorMap* error_map =
 838       LookupErrorMap(error.domain.utf8(), error.reason, is_post);
 839   if (error_map)
 840     return l10n_util::GetStringUTF16(error_map->details_resource_id);
 841   else
 842     return l10n_util::GetStringUTF16(IDS_ERRORPAGES_DETAILS_UNKNOWN);
 843 }
 844
 845 bool LocalizedError::HasStrings(const std::string& error_domain,
 846                                 int error_code) {
 847   // Whether or not the there are strings for an error does not depend on
 848   // whether or not the page was be generated by a POST, so just claim it was
 849   // not.
 850   return LookupErrorMap(error_domain, error_code, /*is_post=*/false) != NULL;
 851 }
 852
 853 #if defined(ENABLE_EXTENSIONS)
 854 void LocalizedError::GetAppErrorStrings(
 855     const GURL& display_url,
 856     const extensions::Extension* app,
 857     base::DictionaryValue* error_strings) {
 858   DCHECK(app);
 859
 860   bool rtl = LocaleIsRTL();
 861   error_strings->SetString("textdirection", rtl ? "rtl" : "ltr");
 862
 863   base::string16 failed_url(base::ASCIIToUTF16(display_url.spec()));
 864   // URLs are always LTR.
 865   if (rtl)
 866     base::i18n::WrapStringWithLTRFormatting(&failed_url);
 867   error_strings->SetString(
 868      "url", l10n_util::GetStringFUTF16(IDS_ERRORPAGES_TITLE_NOT_AVAILABLE,
 869                                        failed_url.c_str()));
 870
 871   error_strings->SetString("title", app->name());
 872   error_strings->SetString(
 873       "icon",
 874       extensions::IconsInfo::GetIconURL(
 875           app,
 876           extension_misc::EXTENSION_ICON_GIGANTOR,
 877           ExtensionIconSet::MATCH_SMALLER).spec());
 878   error_strings->SetString("name", app->name());
 879   error_strings->SetString(
 880       "msg",
 881       l10n_util::GetStringUTF16(IDS_ERRORPAGES_APP_WARNING));
 882
 883 #if defined(OS_CHROMEOS)
 884   GURL learn_more_url(kAppWarningLearnMoreUrl);
 885   base::DictionaryValue* suggest_learn_more = new base::DictionaryValue();
 886   suggest_learn_more->SetString("msg",
 887                                 l10n_util::GetStringUTF16(
 888                                     IDS_ERRORPAGES_SUGGESTION_LEARNMORE_BODY));
 889   suggest_learn_more->SetString("learnMoreUrl", learn_more_url.spec());
 890   error_strings->Set("suggestionsLearnMore", suggest_learn_more);
 891 #endif  // defined(OS_CHROMEOS)
 892 }
 893 #endif