chrome/browser/ui/startup/startup_browser_creator.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/browser/ui/startup/startup_browser_creator.h"
   6
   7 #include <algorithm>   // For max().
   8 #include <set>
   9
  10 #include "apps/app_load_service.h"
  11 #include "apps/switches.h"
  12 #include "base/bind.h"
  13 #include "base/bind_helpers.h"
  14 #include "base/command_line.h"
  15 #include "base/compiler_specific.h"
  16 #include "base/environment.h"
  17 #include "base/file_util.h"
  18 #include "base/files/file_path.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/logging.h"
  21 #include "base/memory/scoped_ptr.h"
  22 #include "base/metrics/histogram.h"
  23 #include "base/metrics/statistics_recorder.h"
  24 #include "base/path_service.h"
  25 #include "base/prefs/pref_service.h"
  26 #include "base/strings/string_number_conversions.h"
  27 #include "base/strings/string_split.h"
  28 #include "base/strings/utf_string_conversions.h"
  29 #include "base/threading/thread_restrictions.h"
  30 #include "chrome/browser/app_mode/app_mode_utils.h"
  31 #include "chrome/browser/auto_launch_trial.h"
  32 #include "chrome/browser/browser_process.h"
  33 #include "chrome/browser/chrome_notification_types.h"
  34 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  35 #include "chrome/browser/extensions/startup_helper.h"
  36 #include "chrome/browser/extensions/unpacked_installer.h"
  37 #include "chrome/browser/first_run/first_run.h"
  38 #include "chrome/browser/google/google_util.h"
  39 #include "chrome/browser/notifications/desktop_notification_service.h"
  40 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  41 #include "chrome/browser/prefs/session_startup_pref.h"
  42 #include "chrome/browser/profiles/profile.h"
  43 #include "chrome/browser/profiles/profile_manager.h"
  44 #include "chrome/browser/profiles/profiles_state.h"
  45 #include "chrome/browser/search_engines/util.h"
  46 #include "chrome/browser/ui/app_list/app_list_service.h"
  47 #include "chrome/browser/ui/browser.h"
  48 #include "chrome/browser/ui/browser_dialogs.h"
  49 #include "chrome/browser/ui/browser_finder.h"
  50 #include "chrome/browser/ui/browser_window.h"
  51 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
  52 #include "chrome/common/chrome_constants.h"
  53 #include "chrome/common/chrome_paths.h"
  54 #include "chrome/common/chrome_result_codes.h"
  55 #include "chrome/common/chrome_switches.h"
  56 #include "chrome/common/chrome_version_info.h"
  57 #include "chrome/common/net/url_fixer_upper.h"
  58 #include "chrome/common/pref_names.h"
  59 #include "chrome/common/url_constants.h"
  60 #include "chrome/installer/util/browser_distribution.h"
  61 #include "components/signin/core/common/profile_management_switches.h"
  62 #include "content/public/browser/browser_thread.h"
  63 #include "content/public/browser/child_process_security_policy.h"
  64 #include "content/public/browser/navigation_controller.h"
  65 #include "grit/locale_settings.h"
  66 #include "net/base/net_util.h"
  67 #include "ui/base/l10n/l10n_util.h"
  68 #include "ui/base/resource/resource_bundle.h"
  69
  70 #if defined(USE_ASH)
  71 #include "ash/shell.h"
  72 #endif
  73
  74 #if defined(OS_CHROMEOS)
  75 #include "chrome/browser/chromeos/app_mode/app_launch_utils.h"
  76 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
  77 #include "chrome/browser/chromeos/login/demo_mode/demo_app_launcher.h"
  78 #include "chrome/browser/chromeos/login/user_manager.h"
  79 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  80 #include "chrome/browser/lifetime/application_lifetime.h"
  81 #include "chromeos/chromeos_switches.h"
  82 #endif
  83
  84 #if defined(TOOLKIT_VIEWS) && defined(OS_LINUX)
  85 #include "ui/events/x/touch_factory_x11.h"
  86 #endif
  87
  88 #if defined(ENABLE_FULL_PRINTING)
  89 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
  90 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
  91 #include "chrome/browser/printing/print_dialog_cloud.h"
  92 #endif
  93
  94 using content::BrowserThread;
  95 using content::ChildProcessSecurityPolicy;
  96
  97 namespace {
  98
  99 // Keeps track on which profiles have been launched.
 100 class ProfileLaunchObserver : public content::NotificationObserver {
 101  public:
 102   ProfileLaunchObserver()
 103       : profile_to_activate_(NULL),
 104         activated_profile_(false) {
 105     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
 106                    content::NotificationService::AllSources());
 107     registrar_.Add(this, chrome::NOTIFICATION_BROWSER_WINDOW_READY,
 108                    content::NotificationService::AllSources());
 109   }
 110   virtual ~ProfileLaunchObserver() {}
 111
 112   virtual void Observe(int type,
 113                        const content::NotificationSource& source,
 114                        const content::NotificationDetails& details) OVERRIDE {
 115     switch (type) {
 116       case chrome::NOTIFICATION_PROFILE_DESTROYED: {
 117         Profile* profile = content::Source<Profile>(source).ptr();
 118         launched_profiles_.erase(profile);
 119         opened_profiles_.erase(profile);
 120         if (profile == profile_to_activate_)
 121           profile_to_activate_ = NULL;
 122         // If this profile was the last launched one without an opened window,
 123         // then we may be ready to activate |profile_to_activate_|.
 124         MaybeActivateProfile();
 125         break;
 126       }
 127       case chrome::NOTIFICATION_BROWSER_WINDOW_READY: {
 128         Browser* browser = content::Source<Browser>(source).ptr();
 129         DCHECK(browser);
 130         opened_profiles_.insert(browser->profile());
 131         MaybeActivateProfile();
 132         break;
 133       }
 134       default:
 135         NOTREACHED();
 136     }
 137   }
 138
 139   bool HasBeenLaunched(const Profile* profile) const {
 140     return launched_profiles_.find(profile) != launched_profiles_.end();
 141   }
 142
 143   void AddLaunched(Profile* profile) {
 144     launched_profiles_.insert(profile);
 145     // Since the startup code only executes for browsers launched in
 146     // desktop mode, i.e., HOST_DESKTOP_TYPE_NATIVE. Ash should never get here.
 147     if (chrome::FindBrowserWithProfile(profile,
 148                                        chrome::HOST_DESKTOP_TYPE_NATIVE)) {
 149       // A browser may get opened before we get initialized (e.g., in tests),
 150       // so we never see the NOTIFICATION_BROWSER_WINDOW_READY for it.
 151       opened_profiles_.insert(profile);
 152     }
 153   }
 154
 155   void Clear() {
 156     launched_profiles_.clear();
 157     opened_profiles_.clear();
 158   }
 159
 160   bool activated_profile() { return activated_profile_; }
 161
 162   void set_profile_to_activate(Profile* profile) {
 163     profile_to_activate_ = profile;
 164     MaybeActivateProfile();
 165   }
 166
 167  private:
 168   void MaybeActivateProfile() {
 169     if (!profile_to_activate_)
 170       return;
 171     // Check that browsers have been opened for all the launched profiles.
 172     // Note that browsers opened for profiles that were not added as launched
 173     // profiles are simply ignored.
 174     std::set<const Profile*>::const_iterator i = launched_profiles_.begin();
 175     for (; i != launched_profiles_.end(); ++i) {
 176       if (opened_profiles_.find(*i) == opened_profiles_.end())
 177         return;
 178     }
 179     // Asynchronous post to give a chance to the last window to completely
 180     // open and activate before trying to activate |profile_to_activate_|.
 181     BrowserThread::PostTask(
 182         BrowserThread::UI, FROM_HERE,
 183         base::Bind(&ProfileLaunchObserver::ActivateProfile,
 184                    base::Unretained(this)));
 185     // Avoid posting more than once before ActivateProfile gets called.
 186     registrar_.Remove(this, chrome::NOTIFICATION_BROWSER_WINDOW_READY,
 187                       content::NotificationService::AllSources());
 188     registrar_.Remove(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
 189                       content::NotificationService::AllSources());
 190   }
 191
 192   void ActivateProfile() {
 193     // We need to test again, in case the profile got deleted in the mean time.
 194     if (profile_to_activate_) {
 195       Browser* browser = chrome::FindBrowserWithProfile(
 196           profile_to_activate_, chrome::HOST_DESKTOP_TYPE_NATIVE);
 197       // |profile| may never get launched, e.g., if it only had
 198       // incognito Windows and one of them was used to exit Chrome.
 199       // So it won't have a browser in that case.
 200       if (browser)
 201         browser->window()->Activate();
 202       // No need try to activate this profile again.
 203       profile_to_activate_ = NULL;
 204     }
 205     // Assign true here, even if no browser was actually activated, so that
 206     // the test can stop waiting, and fail gracefully when needed.
 207     activated_profile_ = true;
 208   }
 209
 210   // These are the profiles that get launched by
 211   // StartupBrowserCreator::LaunchBrowser.
 212   std::set<const Profile*> launched_profiles_;
 213   // These are the profiles for which at least one browser window has been
 214   // opened. This is needed to know when it is safe to activate
 215   // |profile_to_activate_|, otherwise, new browser windows being opened will
 216   // be activated on top of it.
 217   std::set<const Profile*> opened_profiles_;
 218   content::NotificationRegistrar registrar_;
 219   // This is NULL until the profile to activate has been chosen. This value,
 220   // should only be set once all profiles have been launched, otherwise,
 221   // activation may not happen after the launch of newer profiles.
 222   Profile* profile_to_activate_;
 223   // Set once we attempted to activate a profile. We only get one shot at this.
 224   bool activated_profile_;
 225
 226   DISALLOW_COPY_AND_ASSIGN(ProfileLaunchObserver);
 227 };
 228
 229 base::LazyInstance<ProfileLaunchObserver> profile_launch_observer =
 230     LAZY_INSTANCE_INITIALIZER;
 231
 232 // Dumps the current set of the browser process's histograms to |output_file|.
 233 // The file is overwritten if it exists. This function should only be called in
 234 // the blocking pool.
 235 void DumpBrowserHistograms(const base::FilePath& output_file) {
 236   base::ThreadRestrictions::AssertIOAllowed();
 237
 238   std::string output_string(base::StatisticsRecorder::ToJSON(std::string()));
 239   base::WriteFile(output_file, output_string.data(),
 240                   static_cast<int>(output_string.size()));
 241 }
 242
 243 }  // namespace
 244
 245 StartupBrowserCreator::StartupBrowserCreator()
 246     : is_default_browser_dialog_suppressed_(false),
 247       show_main_browser_window_(true) {
 248 }
 249
 250 StartupBrowserCreator::~StartupBrowserCreator() {}
 251
 252 // static
 253 bool StartupBrowserCreator::was_restarted_read_ = false;
 254
 255 // static
 256 bool StartupBrowserCreator::in_synchronous_profile_launch_ = false;
 257
 258 void StartupBrowserCreator::AddFirstRunTab(const GURL& url) {
 259   first_run_tabs_.push_back(url);
 260 }
 261
 262 // static
 263 bool StartupBrowserCreator::InSynchronousProfileLaunch() {
 264   return in_synchronous_profile_launch_;
 265 }
 266
 267 bool StartupBrowserCreator::LaunchBrowser(
 268     const CommandLine& command_line,
 269     Profile* profile,
 270     const base::FilePath& cur_dir,
 271     chrome::startup::IsProcessStartup process_startup,
 272     chrome::startup::IsFirstRun is_first_run,
 273     int* return_code) {
 274
 275   in_synchronous_profile_launch_ =
 276       process_startup == chrome::startup::IS_PROCESS_STARTUP;
 277   DCHECK(profile);
 278
 279   // Continue with the incognito profile from here on if Incognito mode
 280   // is forced.
 281   if (IncognitoModePrefs::ShouldLaunchIncognito(command_line,
 282                                                 profile->GetPrefs())) {
 283     profile = profile->GetOffTheRecordProfile();
 284   } else if (command_line.HasSwitch(switches::kIncognito)) {
 285     LOG(WARNING) << "Incognito mode disabled by policy, launching a normal "
 286                  << "browser session.";
 287   }
 288
 289   // Note: This check should have been done in ProcessCmdLineImpl()
 290   // before calling this function. However chromeos/login/login_utils.cc
 291   // calls this function directly (see comments there) so it has to be checked
 292   // again.
 293   const bool silent_launch = command_line.HasSwitch(switches::kSilentLaunch);
 294
 295   if (!silent_launch) {
 296     StartupBrowserCreatorImpl lwp(cur_dir, command_line, this, is_first_run);
 297     const std::vector<GURL> urls_to_launch =
 298         GetURLsFromCommandLine(command_line, cur_dir, profile);
 299     chrome::HostDesktopType host_desktop_type =
 300         chrome::HOST_DESKTOP_TYPE_NATIVE;
 301
 302 #if defined(OS_WIN) && defined(USE_ASH)
 303     // We want to maintain only one type of instance for now, either ASH
 304     // or desktop.
 305     // TODO(shrikant): Remove this code once we decide on running both desktop
 306     // and ASH instances side by side.
 307     if (ash::Shell::HasInstance())
 308       host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
 309 #endif
 310
 311     const bool launched = lwp.Launch(profile, urls_to_launch,
 312                                in_synchronous_profile_launch_,
 313                                host_desktop_type);
 314     in_synchronous_profile_launch_ = false;
 315     if (!launched) {
 316       LOG(ERROR) << "launch error";
 317       if (return_code)
 318         *return_code = chrome::RESULT_CODE_INVALID_CMDLINE_URL;
 319       return false;
 320     }
 321   } else {
 322     in_synchronous_profile_launch_ = false;
 323   }
 324
 325   profile_launch_observer.Get().AddLaunched(profile);
 326
 327 #if defined(OS_CHROMEOS)
 328   g_browser_process->platform_part()->profile_helper()->ProfileStartup(
 329       profile,
 330       process_startup);
 331 #endif
 332   return true;
 333 }
 334
 335 // static
 336 bool StartupBrowserCreator::WasRestarted() {
 337   // Stores the value of the preference kWasRestarted had when it was read.
 338   static bool was_restarted = false;
 339
 340   if (!was_restarted_read_) {
 341     PrefService* pref_service = g_browser_process->local_state();
 342     was_restarted = pref_service->GetBoolean(prefs::kWasRestarted);
 343     pref_service->SetBoolean(prefs::kWasRestarted, false);
 344     was_restarted_read_ = true;
 345   }
 346   return was_restarted;
 347 }
 348
 349 // static
 350 SessionStartupPref StartupBrowserCreator::GetSessionStartupPref(
 351     const CommandLine& command_line,
 352     Profile* profile) {
 353   DCHECK(profile);
 354   PrefService* prefs = profile->GetPrefs();
 355   SessionStartupPref pref = SessionStartupPref::GetStartupPref(prefs);
 356
 357   // IsChromeFirstRun() looks for a sentinel file to determine whether the user
 358   // is starting Chrome for the first time. On Chrome OS, the sentinel is stored
 359   // in a location shared by all users and the check is meaningless. Query the
 360   // UserManager instead to determine whether the user is new.
 361 #if defined(OS_CHROMEOS)
 362   const bool is_first_run = chromeos::UserManager::Get()->IsCurrentUserNew();
 363 #else
 364   const bool is_first_run = first_run::IsChromeFirstRun();
 365 #endif
 366
 367   // The pref has an OS-dependent default value. For the first run only, this
 368   // default is overridden with SessionStartupPref::DEFAULT so that first run
 369   // behavior (sync promo, welcome page) is consistently invoked.
 370   // This applies only if the pref is still at its default and has not been
 371   // set by the user, managed prefs or policy.
 372   if (is_first_run && SessionStartupPref::TypeIsDefault(prefs))
 373     pref.type = SessionStartupPref::DEFAULT;
 374
 375   // The switches::kRestoreLastSession command line switch is used to restore
 376   // sessions after a browser self restart (e.g. after a Chrome upgrade).
 377   // However, new profiles can be created from a browser process that has this
 378   // switch so do not set the session pref to SessionStartupPref::LAST for
 379   // those as there is nothing to restore.
 380   if ((command_line.HasSwitch(switches::kRestoreLastSession) ||
 381        StartupBrowserCreator::WasRestarted()) &&
 382       !profile->IsNewProfile()) {
 383     pref.type = SessionStartupPref::LAST;
 384   }
 385   if (pref.type == SessionStartupPref::LAST &&
 386       IncognitoModePrefs::ShouldLaunchIncognito(command_line, prefs)) {
 387     // We don't store session information when incognito. If the user has
 388     // chosen to restore last session and launched incognito, fallback to
 389     // default launch behavior.
 390     pref.type = SessionStartupPref::DEFAULT;
 391   }
 392
 393   return pref;
 394 }
 395
 396 // static
 397 void StartupBrowserCreator::ClearLaunchedProfilesForTesting() {
 398   profile_launch_observer.Get().Clear();
 399 }
 400
 401 // static
 402 std::vector<GURL> StartupBrowserCreator::GetURLsFromCommandLine(
 403     const CommandLine& command_line,
 404     const base::FilePath& cur_dir,
 405     Profile* profile) {
 406   std::vector<GURL> urls;
 407
 408   const CommandLine::StringVector& params = command_line.GetArgs();
 409   for (size_t i = 0; i < params.size(); ++i) {
 410     base::FilePath param = base::FilePath(params[i]);
 411     // Handle Vista way of searching - "? <search-term>"
 412     if ((param.value().size() > 2) && (param.value()[0] == '?') &&
 413         (param.value()[1] == ' ')) {
 414       GURL url(GetDefaultSearchURLForSearchTerms(
 415           profile, param.LossyDisplayName().substr(2)));
 416       if (url.is_valid()) {
 417         urls.push_back(url);
 418         continue;
 419       }
 420     }
 421
 422     // Otherwise, fall through to treating it as a URL.
 423
 424     // This will create a file URL or a regular URL.
 425     // This call can (in rare circumstances) block the UI thread.
 426     // Allow it until this bug is fixed.
 427     //  http://code.google.com/p/chromium/issues/detail?id=60641
 428     GURL url;
 429     {
 430       base::ThreadRestrictions::ScopedAllowIO allow_io;
 431       url = URLFixerUpper::FixupRelativeFile(cur_dir, param);
 432     }
 433     // Exclude dangerous schemes.
 434     if (url.is_valid()) {
 435       ChildProcessSecurityPolicy* policy =
 436           ChildProcessSecurityPolicy::GetInstance();
 437       if (policy->IsWebSafeScheme(url.scheme()) ||
 438           url.SchemeIs(content::kFileScheme) ||
 439 #if defined(OS_CHROMEOS)
 440           // In ChromeOS, allow a settings page to be specified on the
 441           // command line. See ExistingUserController::OnLoginSuccess.
 442           (url.spec().find(chrome::kChromeUISettingsURL) == 0) ||
 443 #endif
 444           (url.spec().compare(content::kAboutBlankURL) == 0)) {
 445         urls.push_back(url);
 446       }
 447     }
 448   }
 449   return urls;
 450 }
 451
 452 // static
 453 bool StartupBrowserCreator::ProcessCmdLineImpl(
 454     const CommandLine& command_line,
 455     const base::FilePath& cur_dir,
 456     bool process_startup,
 457     Profile* last_used_profile,
 458     const Profiles& last_opened_profiles,
 459     int* return_code,
 460     StartupBrowserCreator* browser_creator) {
 461   DCHECK(last_used_profile);
 462   if (process_startup) {
 463     if (command_line.HasSwitch(switches::kDisablePromptOnRepost))
 464       content::NavigationController::DisablePromptOnRepost();
 465   }
 466
 467   bool silent_launch = false;
 468
 469 #if defined(ENABLE_FULL_PRINTING)
 470   // If we are just displaying a print dialog we shouldn't open browser
 471   // windows.
 472   if (command_line.HasSwitch(switches::kCloudPrintFile) &&
 473       print_dialog_cloud::CreatePrintDialogFromCommandLine(last_used_profile,
 474                                                            command_line)) {
 475     silent_launch = true;
 476   }
 477
 478   // If we are checking the proxy enabled policy, don't open any windows.
 479   if (command_line.HasSwitch(switches::kCheckCloudPrintConnectorPolicy)) {
 480     silent_launch = true;
 481     if (CloudPrintProxyServiceFactory::GetForProfile(last_used_profile)->
 482         EnforceCloudPrintConnectorPolicyAndQuit())
 483       // Success, nothing more needs to be done, so return false to stop
 484       // launching and quit.
 485       return false;
 486   }
 487 #endif  // defined(ENABLE_FULL_PRINTING)
 488
 489   if (command_line.HasSwitch(switches::kExplicitlyAllowedPorts)) {
 490     std::string allowed_ports =
 491         command_line.GetSwitchValueASCII(switches::kExplicitlyAllowedPorts);
 492     net::SetExplicitlyAllowedPorts(allowed_ports);
 493   }
 494
 495   if (command_line.HasSwitch(switches::kInstallFromWebstore)) {
 496     extensions::StartupHelper helper;
 497     helper.InstallFromWebstore(command_line, last_used_profile);
 498     // Nothing more needs to be done, so return false to stop launching and
 499     // quit.
 500     return false;
 501   }
 502
 503   if (command_line.HasSwitch(switches::kValidateCrx)) {
 504     if (!process_startup) {
 505       LOG(ERROR) << "chrome is already running; you must close all running "
 506                  << "instances before running with the --"
 507                  << switches::kValidateCrx << " flag";
 508       return false;
 509     }
 510     extensions::StartupHelper helper;
 511     std::string message;
 512     std::string error;
 513     if (helper.ValidateCrx(command_line, &error))
 514       message = std::string("ValidateCrx Success");
 515     else
 516       message = std::string("ValidateCrx Failure: ") + error;
 517     printf("%s\n", message.c_str());
 518     return false;
 519   }
 520
 521   if (command_line.HasSwitch(switches::kLimitedInstallFromWebstore)) {
 522     extensions::StartupHelper helper;
 523     helper.LimitedInstallFromWebstore(command_line, last_used_profile,
 524                                       base::Bind(&base::DoNothing));
 525   }
 526
 527 #if defined(OS_CHROMEOS)
 528   // The browser will be launched after the user logs in.
 529   if (command_line.HasSwitch(chromeos::switches::kLoginManager) ||
 530       command_line.HasSwitch(chromeos::switches::kLoginPassword)) {
 531     silent_launch = true;
 532   }
 533
 534   if (chrome::IsRunningInAppMode() &&
 535       command_line.HasSwitch(switches::kAppId)) {
 536     chromeos::LaunchAppOrDie(
 537         last_used_profile,
 538         command_line.GetSwitchValueASCII(switches::kAppId));
 539
 540     // Skip browser launch since app mode launches its app window.
 541     silent_launch = true;
 542   }
 543
 544   // If we are a demo app session and we crashed, there is no safe recovery
 545   // possible. We should instead cleanly exit and go back to the OOBE screen,
 546   // where we will launch again after the timeout has expired.
 547   if (chromeos::DemoAppLauncher::IsDemoAppSession(
 548       command_line.GetSwitchValueASCII(chromeos::switches::kLoginUser))) {
 549     chrome::AttemptUserExit();
 550     return false;
 551   }
 552 #endif
 553
 554 #if defined(TOOLKIT_VIEWS) && defined(USE_X11)
 555   ui::TouchFactory::SetTouchDeviceListFromCommandLine();
 556 #endif
 557
 558   if (!process_startup &&
 559       command_line.HasSwitch(switches::kDumpBrowserHistograms)) {
 560     // Only handle --dump-browser-histograms from a rendezvous. In this case, do
 561     // not open a new browser window even if no output file was given.
 562     base::FilePath output_file(
 563         command_line.GetSwitchValuePath(switches::kDumpBrowserHistograms));
 564     if (!output_file.empty()) {
 565       BrowserThread::PostBlockingPoolTask(
 566           FROM_HERE,
 567           base::Bind(&DumpBrowserHistograms, output_file));
 568     }
 569     silent_launch = true;
 570   }
 571
 572   // If we don't want to launch a new browser window or tab we are done here.
 573   if (silent_launch)
 574     return true;
 575
 576   // Check for --load-and-launch-app.
 577   if (command_line.HasSwitch(apps::kLoadAndLaunchApp) &&
 578       !IncognitoModePrefs::ShouldLaunchIncognito(
 579           command_line, last_used_profile->GetPrefs())) {
 580     CommandLine::StringType path = command_line.GetSwitchValueNative(
 581         apps::kLoadAndLaunchApp);
 582
 583     if (!apps::AppLoadService::Get(last_used_profile)->LoadAndLaunch(
 584             base::FilePath(path), command_line, cur_dir)) {
 585       return false;
 586     }
 587
 588     // Return early here since we don't want to open a browser window.
 589     // The exception is when there are no browser windows, since we don't want
 590     // chrome to shut down.
 591     // TODO(jackhou): Do this properly once keep-alive is handled by the
 592     // background page of apps. Tracked at http://crbug.com/175381
 593     if (chrome::GetTotalBrowserCountForProfile(last_used_profile) != 0)
 594       return true;
 595   }
 596
 597   chrome::startup::IsProcessStartup is_process_startup = process_startup ?
 598       chrome::startup::IS_PROCESS_STARTUP :
 599       chrome::startup::IS_NOT_PROCESS_STARTUP;
 600   chrome::startup::IsFirstRun is_first_run = first_run::IsChromeFirstRun() ?
 601       chrome::startup::IS_FIRST_RUN : chrome::startup::IS_NOT_FIRST_RUN;
 602   // |last_opened_profiles| will be empty in the following circumstances:
 603   // - This is the first launch. |last_used_profile| is the initial profile.
 604   // - The user exited the browser by closing all windows for all
 605   // profiles. |last_used_profile| is the profile which owned the last open
 606   // window.
 607   // - Only incognito windows were open when the browser exited.
 608   // |last_used_profile| is the last used incognito profile. Restoring it will
 609   // create a browser window for the corresponding original profile.
 610   if (last_opened_profiles.empty()) {
 611     // If the last used profile is locked or was a guest, show the user manager.
 612     if (switches::IsNewProfileManagement()) {
 613       ProfileInfoCache& profile_info =
 614           g_browser_process->profile_manager()->GetProfileInfoCache();
 615       size_t profile_index = profile_info.GetIndexOfProfileWithPath(
 616           last_used_profile->GetPath());
 617       bool signin_required = profile_index != std::string::npos &&
 618           profile_info.ProfileIsSigninRequiredAtIndex(profile_index);
 619       if (signin_required || last_used_profile->IsGuestSession()) {
 620         chrome::ShowUserManager(base::FilePath());
 621         return true;
 622       }
 623     }
 624     if (!browser_creator->LaunchBrowser(command_line, last_used_profile,
 625                                         cur_dir, is_process_startup,
 626                                         is_first_run, return_code)) {
 627       return false;
 628     }
 629   } else {
 630     // Launch the last used profile with the full command line, and the other
 631     // opened profiles without the URLs to launch.
 632     CommandLine command_line_without_urls(command_line.GetProgram());
 633     const CommandLine::SwitchMap& switches = command_line.GetSwitches();
 634     for (CommandLine::SwitchMap::const_iterator switch_it = switches.begin();
 635          switch_it != switches.end(); ++switch_it) {
 636       command_line_without_urls.AppendSwitchNative(switch_it->first,
 637                                                    switch_it->second);
 638     }
 639     // Launch the profiles in the order they became active.
 640     for (Profiles::const_iterator it = last_opened_profiles.begin();
 641          it != last_opened_profiles.end(); ++it) {
 642       // Don't launch additional profiles which would only open a new tab
 643       // page. When restarting after an update, all profiles will reopen last
 644       // open pages.
 645       SessionStartupPref startup_pref =
 646           GetSessionStartupPref(command_line, *it);
 647       if (*it != last_used_profile &&
 648           startup_pref.type == SessionStartupPref::DEFAULT &&
 649           !HasPendingUncleanExit(*it))
 650         continue;
 651
 652       // Don't re-open a browser window for the guest profile.
 653       if (switches::IsNewProfileManagement() &&
 654           (*it)->IsGuestSession())
 655         continue;
 656
 657       if (!browser_creator->LaunchBrowser((*it == last_used_profile) ?
 658           command_line : command_line_without_urls, *it, cur_dir,
 659           is_process_startup, is_first_run, return_code))
 660         return false;
 661       // We've launched at least one browser.
 662       is_process_startup = chrome::startup::IS_NOT_PROCESS_STARTUP;
 663     }
 664     // This must be done after all profiles have been launched so the observer
 665     // knows about all profiles to wait for before activating this one.
 666
 667     // If the last used profile was the guest one, we didn't open it so
 668     // we don't need to activate it either.
 669     if (!switches::IsNewProfileManagement() &&
 670         !last_used_profile->IsGuestSession())
 671       profile_launch_observer.Get().set_profile_to_activate(last_used_profile);
 672   }
 673   return true;
 674 }
 675
 676 // static
 677 void StartupBrowserCreator::ProcessCommandLineOnProfileCreated(
 678     const CommandLine& command_line,
 679     const base::FilePath& cur_dir,
 680     Profile* profile,
 681     Profile::CreateStatus status) {
 682   if (status == Profile::CREATE_STATUS_INITIALIZED)
 683     ProcessCmdLineImpl(command_line, cur_dir, false, profile, Profiles(), NULL,
 684                        NULL);
 685 }
 686
 687 // static
 688 void StartupBrowserCreator::ProcessCommandLineAlreadyRunning(
 689     const CommandLine& command_line,
 690     const base::FilePath& cur_dir,
 691     const base::FilePath& profile_path) {
 692   ProfileManager* profile_manager = g_browser_process->profile_manager();
 693   Profile* profile = profile_manager->GetProfileByPath(profile_path);
 694
 695   // The profile isn't loaded yet and so needs to be loaded asynchronously.
 696   if (!profile) {
 697     profile_manager->CreateProfileAsync(profile_path,
 698         base::Bind(&StartupBrowserCreator::ProcessCommandLineOnProfileCreated,
 699                    command_line, cur_dir), base::string16(), base::string16(),
 700                    std::string());
 701     return;
 702   }
 703
 704   ProcessCmdLineImpl(command_line, cur_dir, false, profile, Profiles(), NULL,
 705                      NULL);
 706 }
 707
 708 // static
 709 bool StartupBrowserCreator::ActivatedProfile() {
 710   return profile_launch_observer.Get().activated_profile();
 711 }
 712
 713 bool HasPendingUncleanExit(Profile* profile) {
 714   return profile->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
 715       !profile_launch_observer.Get().HasBeenLaunched(profile);
 716 }
 717
 718 base::FilePath GetStartupProfilePath(const base::FilePath& user_data_dir,
 719                                      const CommandLine& command_line) {
 720   // If we are showing the app list then chrome isn't shown so load the app
 721   // list's profile rather than chrome's.
 722   if (command_line.HasSwitch(switches::kShowAppList)) {
 723     return AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->
 724         GetProfilePath(user_data_dir);
 725   }
 726
 727   if (command_line.HasSwitch(switches::kProfileDirectory)) {
 728     return user_data_dir.Append(
 729         command_line.GetSwitchValuePath(switches::kProfileDirectory));
 730   }
 731
 732   return g_browser_process->profile_manager()->GetLastUsedProfileDir(
 733       user_data_dir);
 734 }