content/test/layouttest_support.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 "content/public/test/layouttest_support.h"
   6
   7 #include "base/callback.h"
   8 #include "base/lazy_instance.h"
   9 #include "components/test_runner/test_common.h"
  10 #include "components/test_runner/web_frame_test_proxy.h"
  11 #include "components/test_runner/web_test_proxy.h"
  12 #include "content/browser/bluetooth/bluetooth_dispatcher_host.h"
  13 #include "content/browser/renderer_host/render_process_host_impl.h"
  14 #include "content/browser/renderer_host/render_widget_host_impl.h"
  15 #include "content/child/geofencing/web_geofencing_provider_impl.h"
  16 #include "content/common/gpu/image_transport_surface.h"
  17 #include "content/public/common/page_state.h"
  18 #include "content/public/renderer/renderer_gamepad_provider.h"
  19 #include "content/renderer/fetchers/manifest_fetcher.h"
  20 #include "content/renderer/history_entry.h"
  21 #include "content/renderer/history_serialization.h"
  22 #include "content/renderer/render_frame_impl.h"
  23 #include "content/renderer/render_thread_impl.h"
  24 #include "content/renderer/render_view_impl.h"
  25 #include "content/renderer/renderer_blink_platform_impl.h"
  26 #include "content/shell/common/shell_switches.h"
  27 #include "device/bluetooth/bluetooth_adapter.h"
  28 #include "third_party/WebKit/public/platform/WebBatteryStatus.h"
  29 #include "third_party/WebKit/public/platform/WebGamepads.h"
  30 #include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceMotionData.h"
  31 #include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceOrientationData.h"
  32 #include "third_party/WebKit/public/web/WebHistoryItem.h"
  33 #include "third_party/WebKit/public/web/WebView.h"
  34
  35 #if defined(OS_MACOSX)
  36 #include "content/browser/frame_host/popup_menu_helper_mac.h"
  37 #elif defined(OS_WIN)
  38 #include "content/renderer/render_font_warmup_win.h"
  39 #include "third_party/WebKit/public/web/win/WebFontRendering.h"
  40 #include "third_party/skia/include/ports/SkFontMgr.h"
  41 #include "ui/gfx/win/direct_write.h"
  42 #endif
  43
  44 using blink::WebBatteryStatus;
  45 using blink::WebDeviceMotionData;
  46 using blink::WebDeviceOrientationData;
  47 using blink::WebGamepad;
  48 using blink::WebGamepads;
  49 using blink::WebRect;
  50 using blink::WebSize;
  51
  52 namespace content {
  53
  54 namespace {
  55
  56 base::LazyInstance<
  57     base::Callback<void(RenderView*, test_runner::WebTestProxyBase*)>>::Leaky
  58     g_callback = LAZY_INSTANCE_INITIALIZER;
  59
  60 RenderViewImpl* CreateWebTestProxy(CompositorDependencies* compositor_deps,
  61                                    const ViewMsg_New_Params& params) {
  62   typedef test_runner::WebTestProxy<RenderViewImpl, CompositorDependencies*,
  63                                     const ViewMsg_New_Params&> ProxyType;
  64   ProxyType* render_view_proxy = new ProxyType(compositor_deps, params);
  65   if (g_callback == 0)
  66     return render_view_proxy;
  67   g_callback.Get().Run(render_view_proxy, render_view_proxy);
  68   return render_view_proxy;
  69 }
  70
  71 test_runner::WebTestProxyBase* GetWebTestProxyBase(
  72     RenderViewImpl* render_view) {
  73   typedef test_runner::WebTestProxy<RenderViewImpl, const ViewMsg_New_Params&>
  74       ViewProxy;
  75
  76   ViewProxy* render_view_proxy = static_cast<ViewProxy*>(render_view);
  77   return static_cast<test_runner::WebTestProxyBase*>(render_view_proxy);
  78 }
  79
  80 RenderFrameImpl* CreateWebFrameTestProxy(
  81     const RenderFrameImpl::CreateParams& params) {
  82   typedef test_runner::WebFrameTestProxy<
  83       RenderFrameImpl, const RenderFrameImpl::CreateParams&> FrameProxy;
  84
  85   FrameProxy* render_frame_proxy = new FrameProxy(params);
  86   render_frame_proxy->set_base_proxy(GetWebTestProxyBase(params.render_view));
  87
  88   return render_frame_proxy;
  89 }
  90
  91 #if defined(OS_WIN)
  92 // DirectWrite only has access to %WINDIR%\Fonts by default. For developer
  93 // side-loading, support kRegisterFontFiles to allow access to additional fonts.
  94 void RegisterSideloadedTypefaces(SkFontMgr* fontmgr) {
  95   std::vector<std::string> files = switches::GetSideloadFontFiles();
  96   for (std::vector<std::string>::const_iterator i(files.begin());
  97        i != files.end();
  98        ++i) {
  99     SkTypeface* typeface = fontmgr->createFromFile(i->c_str());
 100     DoPreSandboxWarmupForTypeface(typeface);
 101     blink::WebFontRendering::addSideloadedFontForTesting(typeface);
 102   }
 103 }
 104 #endif  // OS_WIN
 105
 106 }  // namespace
 107
 108 void EnableWebTestProxyCreation(
 109     const base::Callback<void(RenderView*, test_runner::WebTestProxyBase*)>&
 110         callback) {
 111   g_callback.Get() = callback;
 112   RenderViewImpl::InstallCreateHook(CreateWebTestProxy);
 113   RenderFrameImpl::InstallCreateHook(CreateWebFrameTestProxy);
 114 }
 115
 116 void FetchManifestDoneCallback(
 117     scoped_ptr<ManifestFetcher> fetcher,
 118     const FetchManifestCallback& callback,
 119     const blink::WebURLResponse& response,
 120     const std::string& data) {
 121   // |fetcher| will be autodeleted here as it is going out of scope.
 122   callback.Run(response, data);
 123 }
 124
 125 void FetchManifest(blink::WebView* view, const GURL& url,
 126                    const FetchManifestCallback& callback) {
 127   ManifestFetcher* fetcher = new ManifestFetcher(url);
 128   scoped_ptr<ManifestFetcher> autodeleter(fetcher);
 129
 130   // Start is called on fetcher which is also bound to the callback.
 131   // A raw pointer is used instead of a scoped_ptr as base::Passes passes
 132   // ownership and thus nulls the scoped_ptr. On MSVS this happens before
 133   // the call to Start, resulting in a crash.
 134   fetcher->Start(view->mainFrame(),
 135                  false,
 136                  base::Bind(&FetchManifestDoneCallback,
 137                             base::Passed(&autodeleter),
 138                             callback));
 139 }
 140
 141 void SetMockGamepadProvider(scoped_ptr<RendererGamepadProvider> provider) {
 142   RenderThreadImpl::current()
 143       ->blink_platform_impl()
 144       ->SetPlatformEventObserverForTesting(
 145           blink::WebPlatformEventGamepad,
 146           provider.Pass());
 147 }
 148
 149 void SetMockDeviceLightData(const double data) {
 150   RendererBlinkPlatformImpl::SetMockDeviceLightDataForTesting(data);
 151 }
 152
 153 void SetMockDeviceMotionData(const WebDeviceMotionData& data) {
 154   RendererBlinkPlatformImpl::SetMockDeviceMotionDataForTesting(data);
 155 }
 156
 157 void SetMockDeviceOrientationData(const WebDeviceOrientationData& data) {
 158   RendererBlinkPlatformImpl::SetMockDeviceOrientationDataForTesting(data);
 159 }
 160
 161 void MockBatteryStatusChanged(const WebBatteryStatus& status) {
 162   RenderThreadImpl::current()
 163       ->blink_platform_impl()
 164       ->MockBatteryStatusChangedForTesting(status);
 165 }
 166
 167 void EnableRendererLayoutTestMode() {
 168   RenderThreadImpl::current()->set_layout_test_mode(true);
 169
 170 #if defined(OS_WIN)
 171   if (gfx::win::ShouldUseDirectWrite())
 172     RegisterSideloadedTypefaces(GetPreSandboxWarmupFontMgr());
 173 #endif
 174 }
 175
 176 void EnableBrowserLayoutTestMode() {
 177 #if defined(OS_MACOSX)
 178   ImageTransportSurface::SetAllowOSMesaForTesting(true);
 179   PopupMenuHelper::DontShowPopupMenuForTesting();
 180 #endif
 181   RenderWidgetHostImpl::DisableResizeAckCheckForTesting();
 182 }
 183
 184 int GetLocalSessionHistoryLength(RenderView* render_view) {
 185   return static_cast<RenderViewImpl*>(render_view)->
 186       GetLocalSessionHistoryLengthForTesting();
 187 }
 188
 189 void SyncNavigationState(RenderView* render_view) {
 190   static_cast<RenderViewImpl*>(render_view)->SendUpdateState();
 191 }
 192
 193 void SetFocusAndActivate(RenderView* render_view, bool enable) {
 194   static_cast<RenderViewImpl*>(render_view)->
 195       SetFocusAndActivateForTesting(enable);
 196 }
 197
 198 void ForceResizeRenderView(RenderView* render_view,
 199                            const WebSize& new_size) {
 200   RenderViewImpl* render_view_impl = static_cast<RenderViewImpl*>(render_view);
 201   render_view_impl->ForceResizeForTesting(new_size);
 202 }
 203
 204 void SetDeviceScaleFactor(RenderView* render_view, float factor) {
 205   static_cast<RenderViewImpl*>(render_view)->
 206       SetDeviceScaleFactorForTesting(factor);
 207 }
 208
 209 void SetDeviceColorProfile(RenderView* render_view, const std::string& name) {
 210   if (name == "reset") {
 211     static_cast<RenderViewImpl*>(render_view)->
 212         ResetDeviceColorProfileForTesting();
 213     return;
 214   }
 215
 216   std::vector<char> color_profile;
 217
 218   struct TestColorProfile {
 219     char* data() {
 220       static unsigned char color_profile_data[] = {
 221         0x00,0x00,0x01,0xea,0x54,0x45,0x53,0x54,0x00,0x00,0x00,0x00,
 222         0x6d,0x6e,0x74,0x72,0x52,0x47,0x42,0x20,0x58,0x59,0x5a,0x20,
 223         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 224         0x61,0x63,0x73,0x70,0x74,0x65,0x73,0x74,0x00,0x00,0x00,0x00,
 225         0x74,0x65,0x73,0x74,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 226         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf6,0xd6,
 227         0x00,0x01,0x00,0x00,0x00,0x00,0xd3,0x2d,0x74,0x65,0x73,0x74,
 228         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 229         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 230         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 231         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,
 232         0x63,0x70,0x72,0x74,0x00,0x00,0x00,0xf0,0x00,0x00,0x00,0x0d,
 233         0x64,0x65,0x73,0x63,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x8c,
 234         0x77,0x74,0x70,0x74,0x00,0x00,0x01,0x8c,0x00,0x00,0x00,0x14,
 235         0x72,0x58,0x59,0x5a,0x00,0x00,0x01,0xa0,0x00,0x00,0x00,0x14,
 236         0x67,0x58,0x59,0x5a,0x00,0x00,0x01,0xb4,0x00,0x00,0x00,0x14,
 237         0x62,0x58,0x59,0x5a,0x00,0x00,0x01,0xc8,0x00,0x00,0x00,0x14,
 238         0x72,0x54,0x52,0x43,0x00,0x00,0x01,0xdc,0x00,0x00,0x00,0x0e,
 239         0x67,0x54,0x52,0x43,0x00,0x00,0x01,0xdc,0x00,0x00,0x00,0x0e,
 240         0x62,0x54,0x52,0x43,0x00,0x00,0x01,0xdc,0x00,0x00,0x00,0x0e,
 241         0x74,0x65,0x78,0x74,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 242         0x00,0x00,0x00,0x00,0x64,0x65,0x73,0x63,0x00,0x00,0x00,0x00,
 243         0x00,0x00,0x00,0x10,0x77,0x68,0x61,0x63,0x6b,0x65,0x64,0x2e,
 244         0x69,0x63,0x63,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 245         0x00,0x00,0x00,0x11,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 246         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 247         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 248         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 249         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 250         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 251         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 252         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 253         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 254         0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0xf3,0x52,
 255         0x00,0x01,0x00,0x00,0x00,0x01,0x16,0xcc,0x58,0x59,0x5a,0x20,
 256         0x00,0x00,0x00,0x00,0x00,0x00,0x34,0x8d,0x00,0x00,0xa0,0x2c,
 257         0x00,0x00,0x0f,0x95,0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,
 258         0x00,0x00,0x26,0x31,0x00,0x00,0x10,0x2f,0x00,0x00,0xbe,0x9b,
 259         0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x18,
 260         0x00,0x00,0x4f,0xa5,0x00,0x00,0x04,0xfc,0x63,0x75,0x72,0x76,
 261         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x33
 262       };
 263
 264       return reinterpret_cast<char*>(color_profile_data);
 265     }
 266
 267     size_t size() {
 268       const size_t kTestColorProfileSizeInBytes = 490u;
 269       return kTestColorProfileSizeInBytes;
 270     }
 271   };
 272
 273   struct AdobeRGBColorProfile {
 274     char* data() {
 275       static unsigned char color_profile_data[] = {
 276         0x00,0x00,0x02,0x30,0x41,0x44,0x42,0x45,0x02,0x10,0x00,0x00,
 277         0x6d,0x6e,0x74,0x72,0x52,0x47,0x42,0x20,0x58,0x59,0x5a,0x20,
 278         0x07,0xd0,0x00,0x08,0x00,0x0b,0x00,0x13,0x00,0x33,0x00,0x3b,
 279         0x61,0x63,0x73,0x70,0x41,0x50,0x50,0x4c,0x00,0x00,0x00,0x00,
 280         0x6e,0x6f,0x6e,0x65,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 281         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf6,0xd6,
 282         0x00,0x01,0x00,0x00,0x00,0x00,0xd3,0x2d,0x41,0x44,0x42,0x45,
 283         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 284         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 285         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 286         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0a,
 287         0x63,0x70,0x72,0x74,0x00,0x00,0x00,0xfc,0x00,0x00,0x00,0x32,
 288         0x64,0x65,0x73,0x63,0x00,0x00,0x01,0x30,0x00,0x00,0x00,0x6b,
 289         0x77,0x74,0x70,0x74,0x00,0x00,0x01,0x9c,0x00,0x00,0x00,0x14,
 290         0x62,0x6b,0x70,0x74,0x00,0x00,0x01,0xb0,0x00,0x00,0x00,0x14,
 291         0x72,0x54,0x52,0x43,0x00,0x00,0x01,0xc4,0x00,0x00,0x00,0x0e,
 292         0x67,0x54,0x52,0x43,0x00,0x00,0x01,0xd4,0x00,0x00,0x00,0x0e,
 293         0x62,0x54,0x52,0x43,0x00,0x00,0x01,0xe4,0x00,0x00,0x00,0x0e,
 294         0x72,0x58,0x59,0x5a,0x00,0x00,0x01,0xf4,0x00,0x00,0x00,0x14,
 295         0x67,0x58,0x59,0x5a,0x00,0x00,0x02,0x08,0x00,0x00,0x00,0x14,
 296         0x62,0x58,0x59,0x5a,0x00,0x00,0x02,0x1c,0x00,0x00,0x00,0x14,
 297         0x74,0x65,0x78,0x74,0x00,0x00,0x00,0x00,0x43,0x6f,0x70,0x79,
 298         0x72,0x69,0x67,0x68,0x74,0x20,0x32,0x30,0x30,0x30,0x20,0x41,
 299         0x64,0x6f,0x62,0x65,0x20,0x53,0x79,0x73,0x74,0x65,0x6d,0x73,
 300         0x20,0x49,0x6e,0x63,0x6f,0x72,0x70,0x6f,0x72,0x61,0x74,0x65,
 301         0x64,0x00,0x00,0x00,0x64,0x65,0x73,0x63,0x00,0x00,0x00,0x00,
 302         0x00,0x00,0x00,0x11,0x41,0x64,0x6f,0x62,0x65,0x20,0x52,0x47,
 303         0x42,0x20,0x28,0x31,0x39,0x39,0x38,0x29,0x00,0x00,0x00,0x00,
 304         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 305         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 306         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 307         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 308         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 309         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 310         0x00,0x00,0x00,0x00,0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,
 311         0x00,0x00,0xf3,0x51,0x00,0x01,0x00,0x00,0x00,0x01,0x16,0xcc,
 312         0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 313         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x63,0x75,0x72,0x76,
 314         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x33,0x00,0x00,
 315         0x63,0x75,0x72,0x76,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
 316         0x02,0x33,0x00,0x00,0x63,0x75,0x72,0x76,0x00,0x00,0x00,0x00,
 317         0x00,0x00,0x00,0x01,0x02,0x33,0x00,0x00,0x58,0x59,0x5a,0x20,
 318         0x00,0x00,0x00,0x00,0x00,0x00,0x9c,0x18,0x00,0x00,0x4f,0xa5,
 319         0x00,0x00,0x04,0xfc,0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,
 320         0x00,0x00,0x34,0x8d,0x00,0x00,0xa0,0x2c,0x00,0x00,0x0f,0x95,
 321         0x58,0x59,0x5a,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0x31,
 322         0x00,0x00,0x10,0x2f,0x00,0x00,0xbe,0x9c
 323       };
 324
 325       return reinterpret_cast<char*>(color_profile_data);
 326     }
 327
 328     size_t size() {
 329       const size_t kAdobeRGBColorProfileSizeInBytes = 560u;
 330       return kAdobeRGBColorProfileSizeInBytes;
 331     }
 332   };
 333
 334   if (name == "sRGB") {
 335     color_profile.assign(name.data(), name.data() + name.size());
 336   } else if (name == "test") {
 337     TestColorProfile test;
 338     color_profile.assign(test.data(), test.data() + test.size());
 339   } else if (name == "adobeRGB") {
 340     AdobeRGBColorProfile test;
 341     color_profile.assign(test.data(), test.data() + test.size());
 342   }
 343
 344   static_cast<RenderViewImpl*>(render_view)->
 345       SetDeviceColorProfileForTesting(color_profile);
 346 }
 347
 348 void SetBluetoothAdapter(int render_process_id,
 349                          scoped_refptr<device::BluetoothAdapter> adapter) {
 350   RenderProcessHostImpl* render_process_host_impl =
 351       static_cast<RenderProcessHostImpl*>(
 352           RenderProcessHost::FromID(render_process_id));
 353
 354   BluetoothDispatcherHost* dispatcher_host =
 355       render_process_host_impl->GetBluetoothDispatcherHost();
 356
 357   if (dispatcher_host != NULL)
 358     dispatcher_host->SetBluetoothAdapterForTesting(adapter.Pass());
 359 }
 360
 361 void SetGeofencingMockProvider(bool service_available) {
 362   static_cast<WebGeofencingProviderImpl*>(
 363       RenderThreadImpl::current()->blink_platform_impl()->geofencingProvider())
 364           ->SetMockProvider(service_available);
 365 }
 366
 367 void ClearGeofencingMockProvider() {
 368   static_cast<WebGeofencingProviderImpl*>(
 369       RenderThreadImpl::current()->blink_platform_impl()->geofencingProvider())
 370           ->ClearMockProvider();
 371 }
 372
 373 void SetGeofencingMockPosition(double latitude, double longitude) {
 374   static_cast<WebGeofencingProviderImpl*>(
 375       RenderThreadImpl::current()->blink_platform_impl()->geofencingProvider())
 376           ->SetMockPosition(latitude, longitude);
 377 }
 378
 379 void UseSynchronousResizeMode(RenderView* render_view, bool enable) {
 380   static_cast<RenderViewImpl*>(render_view)->
 381       UseSynchronousResizeModeForTesting(enable);
 382 }
 383
 384 void EnableAutoResizeMode(RenderView* render_view,
 385                           const WebSize& min_size,
 386                           const WebSize& max_size) {
 387   static_cast<RenderViewImpl*>(render_view)->
 388       EnableAutoResizeForTesting(min_size, max_size);
 389 }
 390
 391 void DisableAutoResizeMode(RenderView* render_view, const WebSize& new_size) {
 392   static_cast<RenderViewImpl*>(render_view)->
 393       DisableAutoResizeForTesting(new_size);
 394 }
 395
 396 struct ToLower {
 397   base::char16 operator()(base::char16 c) { return tolower(c); }
 398 };
 399
 400 // Returns True if node1 < node2.
 401 bool HistoryEntryCompareLess(HistoryEntry::HistoryNode* node1,
 402                              HistoryEntry::HistoryNode* node2) {
 403   base::string16 target1 = node1->item().target();
 404   base::string16 target2 = node2->item().target();
 405   std::transform(target1.begin(), target1.end(), target1.begin(), ToLower());
 406   std::transform(target2.begin(), target2.end(), target2.begin(), ToLower());
 407   return target1 < target2;
 408 }
 409
 410 std::string DumpHistoryItem(HistoryEntry::HistoryNode* node,
 411                             int indent,
 412                             bool is_current_index) {
 413   std::string result;
 414
 415   const blink::WebHistoryItem& item = node->item();
 416   if (is_current_index) {
 417     result.append("curr->");
 418     result.append(indent - 6, ' '); // 6 == "curr->".length()
 419   } else {
 420     result.append(indent, ' ');
 421   }
 422
 423   std::string url =
 424       test_runner::NormalizeLayoutTestURL(item.urlString().utf8());
 425   result.append(url);
 426   if (!item.target().isEmpty()) {
 427     result.append(" (in frame \"");
 428     result.append(item.target().utf8());
 429     result.append("\")");
 430   }
 431   result.append("\n");
 432
 433   std::vector<HistoryEntry::HistoryNode*> children = node->children();
 434   if (!children.empty()) {
 435     std::sort(children.begin(), children.end(), HistoryEntryCompareLess);
 436     for (size_t i = 0; i < children.size(); ++i)
 437       result += DumpHistoryItem(children[i], indent + 4, false);
 438   }
 439
 440   return result;
 441 }
 442
 443 std::string DumpBackForwardList(std::vector<PageState>& page_state,
 444                                 size_t current_index) {
 445   std::string result;
 446   result.append("\n============== Back Forward List ==============\n");
 447   for (size_t index = 0; index < page_state.size(); ++index) {
 448     scoped_ptr<HistoryEntry> entry(
 449         PageStateToHistoryEntry(page_state[index]));
 450     result.append(
 451         DumpHistoryItem(entry->root_history_node(),
 452                         8,
 453                         index == current_index));
 454   }
 455   result.append("===============================================\n");
 456   return result;
 457 }
 458
 459 }  // namespace content