Revert 212927 "Move webkitplatformsupport_impl and related from ..."

trunk/src/webkit/child/webkitplatformsupport_impl.cc

Index: trunk/src/webkit/child/webkitplatformsupport_impl.cc
===================================================================
--- trunk/src/webkit/child/webkitplatformsupport_impl.cc	(revision 212931)
+++ trunk/src/webkit/child/webkitplatformsupport_impl.cc	(working copy)
@@ -1,904 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "webkit/child/webkitplatformsupport_impl.h"
-
-#include <math.h>
-
-#include <vector>
-
-#include "base/allocator/allocator_extension.h"
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/singleton.h"
-#include "base/message_loop/message_loop.h"
-#include "base/metrics/histogram.h"
-#include "base/metrics/sparse_histogram.h"
-#include "base/metrics/stats_counters.h"
-#include "base/platform_file.h"
-#include "base/process_util.h"
-#include "base/rand_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/synchronization/lock.h"
-#include "base/sys_info.h"
-#include "base/time/time.h"
-#include "content/public/common/webplugininfo.h"
-#include "grit/webkit_chromium_resources.h"
-#include "grit/webkit_resources.h"
-#include "grit/webkit_strings.h"
-#include "net/base/data_url.h"
-#include "net/base/mime_util.h"
-#include "net/base/net_errors.h"
-#include "third_party/WebKit/public/platform/WebCookie.h"
-#include "third_party/WebKit/public/platform/WebData.h"
-#include "third_party/WebKit/public/platform/WebDiscardableMemory.h"
-#include "third_party/WebKit/public/platform/WebGestureCurve.h"
-#include "third_party/WebKit/public/platform/WebPluginListBuilder.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "third_party/WebKit/public/platform/WebVector.h"
-#include "third_party/WebKit/public/web/WebFrameClient.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
-#include "third_party/WebKit/public/web/WebScreenInfo.h"
-#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
-#include "ui/base/layout.h"
-#include "webkit/child/webkit_child_helpers.h"
-#include "webkit/child/websocketstreamhandle_impl.h"
-#include "webkit/child/weburlloader_impl.h"
-#include "webkit/common/user_agent/user_agent.h"
-#include "webkit/glue/webkit_glue.h"
-
-using WebKit::WebAudioBus;
-using WebKit::WebCookie;
-using WebKit::WebData;
-using WebKit::WebLocalizedString;
-using WebKit::WebPluginListBuilder;
-using WebKit::WebString;
-using WebKit::WebSocketStreamHandle;
-using WebKit::WebURL;
-using WebKit::WebURLError;
-using WebKit::WebURLLoader;
-using WebKit::WebVector;
-
-namespace {
-
-// A simple class to cache the memory usage for a given amount of time.
-class MemoryUsageCache {
- public:
-  // Retrieves the Singleton.
-  static MemoryUsageCache* GetInstance() {
-    return Singleton<MemoryUsageCache>::get();
-  }
-
-  MemoryUsageCache() : memory_value_(0) { Init(); }
-  ~MemoryUsageCache() {}
-
-  void Init() {
-    const unsigned int kCacheSeconds = 1;
-    cache_valid_time_ = base::TimeDelta::FromSeconds(kCacheSeconds);
-  }
-
-  // Returns true if the cached value is fresh.
-  // Returns false if the cached value is stale, or if |cached_value| is NULL.
-  bool IsCachedValueValid(size_t* cached_value) {
-    base::AutoLock scoped_lock(lock_);
-    if (!cached_value)
-      return false;
-    if (base::Time::Now() - last_updated_time_ > cache_valid_time_)
-      return false;
-    *cached_value = memory_value_;
-    return true;
-  };
-
-  // Setter for |memory_value_|, refreshes |last_updated_time_|.
-  void SetMemoryValue(const size_t value) {
-    base::AutoLock scoped_lock(lock_);
-    memory_value_ = value;
-    last_updated_time_ = base::Time::Now();
-  }
-
- private:
-  // The cached memory value.
-  size_t memory_value_;
-
-  // How long the cached value should remain valid.
-  base::TimeDelta cache_valid_time_;
-
-  // The last time the cached value was updated.
-  base::Time last_updated_time_;
-
-  base::Lock lock_;
-};
-
-}  // anonymous namespace
-
-namespace webkit_glue {
-
-static int ToMessageID(WebLocalizedString::Name name) {
-  switch (name) {
-    case WebLocalizedString::AXAMPMFieldText:
-      return IDS_AX_AM_PM_FIELD_TEXT;
-    case WebLocalizedString::AXButtonActionVerb:
-      return IDS_AX_BUTTON_ACTION_VERB;
-    case WebLocalizedString::AXCheckedCheckBoxActionVerb:
-      return IDS_AX_CHECKED_CHECK_BOX_ACTION_VERB;
-    case WebLocalizedString::AXDateTimeFieldEmptyValueText:
-      return IDS_AX_DATE_TIME_FIELD_EMPTY_VALUE_TEXT;
-    case WebLocalizedString::AXDayOfMonthFieldText:
-      return IDS_AX_DAY_OF_MONTH_FIELD_TEXT;
-    case WebLocalizedString::AXHeadingText:
-      return IDS_AX_ROLE_HEADING;
-    case WebLocalizedString::AXHourFieldText:
-      return IDS_AX_HOUR_FIELD_TEXT;
-    case WebLocalizedString::AXImageMapText:
-      return IDS_AX_ROLE_IMAGE_MAP;
-    case WebLocalizedString::AXLinkActionVerb:
-      return IDS_AX_LINK_ACTION_VERB;
-    case WebLocalizedString::AXLinkText:
-      return IDS_AX_ROLE_LINK;
-    case WebLocalizedString::AXListMarkerText:
-      return IDS_AX_ROLE_LIST_MARKER;
-    case WebLocalizedString::AXMediaDefault:
-      return IDS_AX_MEDIA_DEFAULT;
-    case WebLocalizedString::AXMediaAudioElement:
-      return IDS_AX_MEDIA_AUDIO_ELEMENT;
-    case WebLocalizedString::AXMediaVideoElement:
-      return IDS_AX_MEDIA_VIDEO_ELEMENT;
-    case WebLocalizedString::AXMediaMuteButton:
-      return IDS_AX_MEDIA_MUTE_BUTTON;
-    case WebLocalizedString::AXMediaUnMuteButton:
-      return IDS_AX_MEDIA_UNMUTE_BUTTON;
-    case WebLocalizedString::AXMediaPlayButton:
-      return IDS_AX_MEDIA_PLAY_BUTTON;
-    case WebLocalizedString::AXMediaPauseButton:
-      return IDS_AX_MEDIA_PAUSE_BUTTON;
-    case WebLocalizedString::AXMediaSlider:
-      return IDS_AX_MEDIA_SLIDER;
-    case WebLocalizedString::AXMediaSliderThumb:
-      return IDS_AX_MEDIA_SLIDER_THUMB;
-    case WebLocalizedString::AXMediaRewindButton:
-      return IDS_AX_MEDIA_REWIND_BUTTON;
-    case WebLocalizedString::AXMediaReturnToRealTime:
-      return IDS_AX_MEDIA_RETURN_TO_REALTIME_BUTTON;
-    case WebLocalizedString::AXMediaCurrentTimeDisplay:
-      return IDS_AX_MEDIA_CURRENT_TIME_DISPLAY;
-    case WebLocalizedString::AXMediaTimeRemainingDisplay:
-      return IDS_AX_MEDIA_TIME_REMAINING_DISPLAY;
-    case WebLocalizedString::AXMediaStatusDisplay:
-      return IDS_AX_MEDIA_STATUS_DISPLAY;
-    case WebLocalizedString::AXMediaEnterFullscreenButton:
-      return IDS_AX_MEDIA_ENTER_FULL_SCREEN_BUTTON;
-    case WebLocalizedString::AXMediaExitFullscreenButton:
-      return IDS_AX_MEDIA_EXIT_FULL_SCREEN_BUTTON;
-  case WebLocalizedString::AXMediaSeekForwardButton:
-    return IDS_AX_MEDIA_SEEK_FORWARD_BUTTON;
-    case WebLocalizedString::AXMediaSeekBackButton:
-      return IDS_AX_MEDIA_SEEK_BACK_BUTTON;
-    case WebLocalizedString::AXMediaShowClosedCaptionsButton:
-      return IDS_AX_MEDIA_SHOW_CLOSED_CAPTIONS_BUTTON;
-    case WebLocalizedString::AXMediaHideClosedCaptionsButton:
-      return IDS_AX_MEDIA_HIDE_CLOSED_CAPTIONS_BUTTON;
-    case WebLocalizedString::AXMediaAudioElementHelp:
-      return IDS_AX_MEDIA_AUDIO_ELEMENT_HELP;
-    case WebLocalizedString::AXMediaVideoElementHelp:
-      return IDS_AX_MEDIA_VIDEO_ELEMENT_HELP;
-    case WebLocalizedString::AXMediaMuteButtonHelp:
-      return IDS_AX_MEDIA_MUTE_BUTTON_HELP;
-    case WebLocalizedString::AXMediaUnMuteButtonHelp:
-      return IDS_AX_MEDIA_UNMUTE_BUTTON_HELP;
-    case WebLocalizedString::AXMediaPlayButtonHelp:
-      return IDS_AX_MEDIA_PLAY_BUTTON_HELP;
-    case WebLocalizedString::AXMediaPauseButtonHelp:
-      return IDS_AX_MEDIA_PAUSE_BUTTON_HELP;
-    case WebLocalizedString::AXMediaSliderHelp:
-      return IDS_AX_MEDIA_SLIDER_HELP;
-    case WebLocalizedString::AXMediaSliderThumbHelp:
-      return IDS_AX_MEDIA_SLIDER_THUMB_HELP;
-    case WebLocalizedString::AXMediaRewindButtonHelp:
-      return IDS_AX_MEDIA_REWIND_BUTTON_HELP;
-    case WebLocalizedString::AXMediaReturnToRealTimeHelp:
-      return IDS_AX_MEDIA_RETURN_TO_REALTIME_BUTTON_HELP;
-    case WebLocalizedString::AXMediaCurrentTimeDisplayHelp:
-      return IDS_AX_MEDIA_CURRENT_TIME_DISPLAY_HELP;
-    case WebLocalizedString::AXMediaTimeRemainingDisplayHelp:
-      return IDS_AX_MEDIA_TIME_REMAINING_DISPLAY_HELP;
-    case WebLocalizedString::AXMediaStatusDisplayHelp:
-      return IDS_AX_MEDIA_STATUS_DISPLAY_HELP;
-    case WebLocalizedString::AXMediaEnterFullscreenButtonHelp:
-      return IDS_AX_MEDIA_ENTER_FULL_SCREEN_BUTTON_HELP;
-    case WebLocalizedString::AXMediaExitFullscreenButtonHelp:
-      return IDS_AX_MEDIA_EXIT_FULL_SCREEN_BUTTON_HELP;
-  case WebLocalizedString::AXMediaSeekForwardButtonHelp:
-    return IDS_AX_MEDIA_SEEK_FORWARD_BUTTON_HELP;
-    case WebLocalizedString::AXMediaSeekBackButtonHelp:
-      return IDS_AX_MEDIA_SEEK_BACK_BUTTON_HELP;
-    case WebLocalizedString::AXMediaShowClosedCaptionsButtonHelp:
-      return IDS_AX_MEDIA_SHOW_CLOSED_CAPTIONS_BUTTON_HELP;
-    case WebLocalizedString::AXMediaHideClosedCaptionsButtonHelp:
-      return IDS_AX_MEDIA_HIDE_CLOSED_CAPTIONS_BUTTON_HELP;
-    case WebLocalizedString::AXMillisecondFieldText:
-      return IDS_AX_MILLISECOND_FIELD_TEXT;
-    case WebLocalizedString::AXMinuteFieldText:
-      return IDS_AX_MINUTE_FIELD_TEXT;
-    case WebLocalizedString::AXMonthFieldText:
-      return IDS_AX_MONTH_FIELD_TEXT;
-    case WebLocalizedString::AXRadioButtonActionVerb:
-      return IDS_AX_RADIO_BUTTON_ACTION_VERB;
-    case WebLocalizedString::AXSecondFieldText:
-      return IDS_AX_SECOND_FIELD_TEXT;
-    case WebLocalizedString::AXTextFieldActionVerb:
-      return IDS_AX_TEXT_FIELD_ACTION_VERB;
-    case WebLocalizedString::AXUncheckedCheckBoxActionVerb:
-      return IDS_AX_UNCHECKED_CHECK_BOX_ACTION_VERB;
-    case WebLocalizedString::AXWebAreaText:
-      return IDS_AX_ROLE_WEB_AREA;
-    case WebLocalizedString::AXWeekOfYearFieldText:
-      return IDS_AX_WEEK_OF_YEAR_FIELD_TEXT;
-    case WebLocalizedString::AXYearFieldText:
-      return IDS_AX_YEAR_FIELD_TEXT;
-    case WebLocalizedString::CalendarClear:
-      return IDS_FORM_CALENDAR_CLEAR;
-    case WebLocalizedString::CalendarToday:
-      return IDS_FORM_CALENDAR_TODAY;
-    case WebLocalizedString::DateFormatDayInMonthLabel:
-      return IDS_FORM_DATE_FORMAT_DAY_IN_MONTH;
-    case WebLocalizedString::DateFormatMonthLabel:
-      return IDS_FORM_DATE_FORMAT_MONTH;
-    case WebLocalizedString::DateFormatYearLabel:
-      return IDS_FORM_DATE_FORMAT_YEAR;
-    case WebLocalizedString::DetailsLabel:
-      return IDS_DETAILS_WITHOUT_SUMMARY_LABEL;
-    case WebLocalizedString::FileButtonChooseFileLabel:
-      return IDS_FORM_FILE_BUTTON_LABEL;
-    case WebLocalizedString::FileButtonChooseMultipleFilesLabel:
-      return IDS_FORM_MULTIPLE_FILES_BUTTON_LABEL;
-    case WebLocalizedString::FileButtonNoFileSelectedLabel:
-      return IDS_FORM_FILE_NO_FILE_LABEL;
-    case WebLocalizedString::InputElementAltText:
-      return IDS_FORM_INPUT_ALT;
-    case WebLocalizedString::KeygenMenuHighGradeKeySize:
-      return IDS_KEYGEN_HIGH_GRADE_KEY;
-    case WebLocalizedString::KeygenMenuMediumGradeKeySize:
-      return IDS_KEYGEN_MED_GRADE_KEY;
-    case WebLocalizedString::MissingPluginText:
-      return IDS_PLUGIN_INITIALIZATION_ERROR;
-    case WebLocalizedString::MultipleFileUploadText:
-      return IDS_FORM_FILE_MULTIPLE_UPLOAD;
-    case WebLocalizedString::OtherColorLabel:
-      return IDS_FORM_OTHER_COLOR_LABEL;
-    case WebLocalizedString::OtherDateLabel:
-        return IDS_FORM_OTHER_DATE_LABEL;
-    case WebLocalizedString::OtherMonthLabel:
-      return IDS_FORM_OTHER_MONTH_LABEL;
-    case WebLocalizedString::OtherTimeLabel:
-      return IDS_FORM_OTHER_TIME_LABEL;
-    case WebLocalizedString::OtherWeekLabel:
-      return IDS_FORM_OTHER_WEEK_LABEL;
-    case WebLocalizedString::PlaceholderForDayOfMonthField:
-      return IDS_FORM_PLACEHOLDER_FOR_DAY_OF_MONTH_FIELD;
-    case WebLocalizedString::PlaceholderForMonthField:
-      return IDS_FORM_PLACEHOLDER_FOR_MONTH_FIELD;
-    case WebLocalizedString::PlaceholderForYearField:
-      return IDS_FORM_PLACEHOLDER_FOR_YEAR_FIELD;
-    case WebLocalizedString::ResetButtonDefaultLabel:
-      return IDS_FORM_RESET_LABEL;
-    case WebLocalizedString::SearchableIndexIntroduction:
-      return IDS_SEARCHABLE_INDEX_INTRO;
-    case WebLocalizedString::SearchMenuClearRecentSearchesText:
-      return IDS_RECENT_SEARCHES_CLEAR;
-    case WebLocalizedString::SearchMenuNoRecentSearchesText:
-      return IDS_RECENT_SEARCHES_NONE;
-    case WebLocalizedString::SearchMenuRecentSearchesText:
-      return IDS_RECENT_SEARCHES;
-    case WebLocalizedString::SubmitButtonDefaultLabel:
-      return IDS_FORM_SUBMIT_LABEL;
-    case WebLocalizedString::ThisMonthButtonLabel:
-      return IDS_FORM_THIS_MONTH_LABEL;
-    case WebLocalizedString::ThisWeekButtonLabel:
-      return IDS_FORM_THIS_WEEK_LABEL;
-    case WebLocalizedString::ValidationBadInputForDateTime:
-      return IDS_FORM_VALIDATION_BAD_INPUT_DATETIME;
-    case WebLocalizedString::ValidationBadInputForNumber:
-      return IDS_FORM_VALIDATION_BAD_INPUT_NUMBER;
-    case WebLocalizedString::ValidationPatternMismatch:
-      return IDS_FORM_VALIDATION_PATTERN_MISMATCH;
-    case WebLocalizedString::ValidationRangeOverflow:
-      return IDS_FORM_VALIDATION_RANGE_OVERFLOW;
-    case WebLocalizedString::ValidationRangeUnderflow:
-      return IDS_FORM_VALIDATION_RANGE_UNDERFLOW;
-    case WebLocalizedString::ValidationStepMismatch:
-      return IDS_FORM_VALIDATION_STEP_MISMATCH;
-    case WebLocalizedString::ValidationTooLong:
-      return IDS_FORM_VALIDATION_TOO_LONG;
-    case WebLocalizedString::ValidationTypeMismatch:
-      return IDS_FORM_VALIDATION_TYPE_MISMATCH;
-    case WebLocalizedString::ValidationTypeMismatchForEmail:
-      return IDS_FORM_VALIDATION_TYPE_MISMATCH_EMAIL;
-    case WebLocalizedString::ValidationTypeMismatchForMultipleEmail:
-      return IDS_FORM_VALIDATION_TYPE_MISMATCH_MULTIPLE_EMAIL;
-    case WebLocalizedString::ValidationTypeMismatchForURL:
-      return IDS_FORM_VALIDATION_TYPE_MISMATCH_URL;
-    case WebLocalizedString::ValidationValueMissing:
-      return IDS_FORM_VALIDATION_VALUE_MISSING;
-    case WebLocalizedString::ValidationValueMissingForCheckbox:
-      return IDS_FORM_VALIDATION_VALUE_MISSING_CHECKBOX;
-    case WebLocalizedString::ValidationValueMissingForFile:
-      return IDS_FORM_VALIDATION_VALUE_MISSING_FILE;
-    case WebLocalizedString::ValidationValueMissingForMultipleFile:
-      return IDS_FORM_VALIDATION_VALUE_MISSING_MULTIPLE_FILE;
-    case WebLocalizedString::ValidationValueMissingForRadio:
-      return IDS_FORM_VALIDATION_VALUE_MISSING_RADIO;
-    case WebLocalizedString::ValidationValueMissingForSelect:
-      return IDS_FORM_VALIDATION_VALUE_MISSING_SELECT;
-    case WebLocalizedString::WeekFormatTemplate:
-      return IDS_FORM_INPUT_WEEK_TEMPLATE;
-    case WebLocalizedString::WeekNumberLabel:
-      return IDS_FORM_WEEK_NUMBER_LABEL;
-    // This "default:" line exists to avoid compile warnings about enum
-    // coverage when we add a new symbol to WebLocalizedString.h in WebKit.
-    // After a planned WebKit patch is landed, we need to add a case statement
-    // for the added symbol here.
-    default:
-      break;
-  }
-  return -1;
-}
-
-WebKitPlatformSupportImpl::WebKitPlatformSupportImpl()
-    : main_loop_(base::MessageLoop::current()),
-      shared_timer_func_(NULL),
-      shared_timer_fire_time_(0.0),
-      shared_timer_fire_time_was_set_while_suspended_(false),
-      shared_timer_suspended_(0) {}
-
-WebKitPlatformSupportImpl::~WebKitPlatformSupportImpl() {
-}
-
-WebURLLoader* WebKitPlatformSupportImpl::createURLLoader() {
-  return new WebURLLoaderImpl(this);
-}
-
-WebSocketStreamHandle* WebKitPlatformSupportImpl::createSocketStreamHandle() {
-  return new WebSocketStreamHandleImpl(this);
-}
-
-WebString WebKitPlatformSupportImpl::userAgent(const WebURL& url) {
-  return WebString::fromUTF8(webkit_glue::GetUserAgent(url));
-}
-
-WebData WebKitPlatformSupportImpl::parseDataURL(
-    const WebURL& url,
-    WebString& mimetype_out,
-    WebString& charset_out) {
-  std::string mime_type, char_set, data;
-  if (net::DataURL::Parse(url, &mime_type, &char_set, &data)
-      && net::IsSupportedMimeType(mime_type)) {
-    mimetype_out = WebString::fromUTF8(mime_type);
-    charset_out = WebString::fromUTF8(char_set);
-    return data;
-  }
-  return WebData();
-}
-
-WebURLError WebKitPlatformSupportImpl::cancelledError(
-    const WebURL& unreachableURL) const {
-  return WebURLLoaderImpl::CreateError(unreachableURL, net::ERR_ABORTED);
-}
-
-void WebKitPlatformSupportImpl::decrementStatsCounter(const char* name) {
-  base::StatsCounter(name).Decrement();
-}
-
-void WebKitPlatformSupportImpl::incrementStatsCounter(const char* name) {
-  base::StatsCounter(name).Increment();
-}
-
-void WebKitPlatformSupportImpl::histogramCustomCounts(
-    const char* name, int sample, int min, int max, int bucket_count) {
-  // Copied from histogram macro, but without the static variable caching
-  // the histogram because name is dynamic.
-  base::HistogramBase* counter =
-      base::Histogram::FactoryGet(name, min, max, bucket_count,
-          base::HistogramBase::kUmaTargetedHistogramFlag);
-  DCHECK_EQ(name, counter->histogram_name());
-  counter->Add(sample);
-}
-
-void WebKitPlatformSupportImpl::histogramEnumeration(
-    const char* name, int sample, int boundary_value) {
-  // Copied from histogram macro, but without the static variable caching
-  // the histogram because name is dynamic.
-  base::HistogramBase* counter =
-      base::LinearHistogram::FactoryGet(name, 1, boundary_value,
-          boundary_value + 1, base::HistogramBase::kUmaTargetedHistogramFlag);
-  DCHECK_EQ(name, counter->histogram_name());
-  counter->Add(sample);
-}
-
-void WebKitPlatformSupportImpl::histogramSparse(const char* name, int sample) {
-  // For sparse histograms, we can use the macro, as it does not incorporate a
-  // static.
-  UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample);
-}
-
-const unsigned char* WebKitPlatformSupportImpl::getTraceCategoryEnabledFlag(
-    const char* category_group) {
-  return TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(category_group);
-}
-
-long* WebKitPlatformSupportImpl::getTraceSamplingState(
-    const unsigned thread_bucket) {
-  switch (thread_bucket) {
-    case 0:
-      return reinterpret_cast<long*>(&TRACE_EVENT_API_THREAD_BUCKET(0));
-    case 1:
-      return reinterpret_cast<long*>(&TRACE_EVENT_API_THREAD_BUCKET(1));
-    case 2:
-      return reinterpret_cast<long*>(&TRACE_EVENT_API_THREAD_BUCKET(2));
-    default:
-      NOTREACHED() << "Unknown thread bucket type.";
-  }
-  return NULL;
-}
-
-void WebKitPlatformSupportImpl::addTraceEvent(
-    char phase,
-    const unsigned char* category_group_enabled,
-    const char* name,
-    unsigned long long id,
-    int num_args,
-    const char** arg_names,
-    const unsigned char* arg_types,
-    const unsigned long long* arg_values,
-    unsigned char flags) {
-  TRACE_EVENT_API_ADD_TRACE_EVENT(phase, category_group_enabled, name, id,
-                                  num_args, arg_names, arg_types,
-                                  arg_values, NULL, flags);
-}
-
-
-namespace {
-
-WebData loadAudioSpatializationResource(WebKitPlatformSupportImpl* platform,
-                                        const char* name) {
-#ifdef IDR_AUDIO_SPATIALIZATION_COMPOSITE
-  if (!strcmp(name, "Composite")) {
-    base::StringPiece resource =
-        platform->GetDataResource(IDR_AUDIO_SPATIALIZATION_COMPOSITE,
-                                  ui::SCALE_FACTOR_NONE);
-    return WebData(resource.data(), resource.size());
-  }
-#endif
-
-#ifdef IDR_AUDIO_SPATIALIZATION_T000_P000
-  const size_t kExpectedSpatializationNameLength = 31;
-  if (strlen(name) != kExpectedSpatializationNameLength) {
-    return WebData();
-  }
-
-  // Extract the azimuth and elevation from the resource name.
-  int azimuth = 0;
-  int elevation = 0;
-  int values_parsed =
-      sscanf(name, "IRC_Composite_C_R0195_T%3d_P%3d", &azimuth, &elevation);
-  if (values_parsed != 2) {
-    return WebData();
-  }
-
-  // The resource index values go through the elevations first, then azimuths.
-  const int kAngleSpacing = 15;
-
-  // 0 <= elevation <= 90 (or 315 <= elevation <= 345)
-  // in increments of 15 degrees.
-  int elevation_index =
-      elevation <= 90 ? elevation / kAngleSpacing :
-      7 + (elevation - 315) / kAngleSpacing;
-  bool is_elevation_index_good = 0 <= elevation_index && elevation_index < 10;
-
-  // 0 <= azimuth < 360 in increments of 15 degrees.
-  int azimuth_index = azimuth / kAngleSpacing;
-  bool is_azimuth_index_good = 0 <= azimuth_index && azimuth_index < 24;
-
-  const int kNumberOfElevations = 10;
-  const int kNumberOfAudioResources = 240;
-  int resource_index = kNumberOfElevations * azimuth_index + elevation_index;
-  bool is_resource_index_good = 0 <= resource_index &&
-      resource_index < kNumberOfAudioResources;
-
-  if (is_azimuth_index_good && is_elevation_index_good &&
-      is_resource_index_good) {
-    const int kFirstAudioResourceIndex = IDR_AUDIO_SPATIALIZATION_T000_P000;
-    base::StringPiece resource =
-        platform->GetDataResource(kFirstAudioResourceIndex + resource_index,
-                                  ui::SCALE_FACTOR_NONE);
-    return WebData(resource.data(), resource.size());
-  }
-#endif  // IDR_AUDIO_SPATIALIZATION_T000_P000
-
-  NOTREACHED();
-  return WebData();
-}
-
-struct DataResource {
-  const char* name;
-  int id;
-  ui::ScaleFactor scale_factor;
-};
-
-const DataResource kDataResources[] = {
-  { "missingImage", IDR_BROKENIMAGE, ui::SCALE_FACTOR_100P },
-  { "missingImage@2x", IDR_BROKENIMAGE, ui::SCALE_FACTOR_200P },
-  { "mediaplayerPause", IDR_MEDIAPLAYER_PAUSE_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerPauseHover",
-    IDR_MEDIAPLAYER_PAUSE_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerPauseDown",
-    IDR_MEDIAPLAYER_PAUSE_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerPlay", IDR_MEDIAPLAYER_PLAY_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerPlayHover",
-    IDR_MEDIAPLAYER_PLAY_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerPlayDown",
-    IDR_MEDIAPLAYER_PLAY_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerPlayDisabled",
-    IDR_MEDIAPLAYER_PLAY_BUTTON_DISABLED, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel3",
-    IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel3Hover",
-    IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel3Down",
-    IDR_MEDIAPLAYER_SOUND_LEVEL3_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel2",
-    IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel2Hover",
-    IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel2Down",
-    IDR_MEDIAPLAYER_SOUND_LEVEL2_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel1",
-    IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel1Hover",
-    IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel1Down",
-    IDR_MEDIAPLAYER_SOUND_LEVEL1_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel0",
-    IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel0Hover",
-    IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundLevel0Down",
-    IDR_MEDIAPLAYER_SOUND_LEVEL0_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSoundDisabled",
-    IDR_MEDIAPLAYER_SOUND_DISABLED, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSliderThumb",
-    IDR_MEDIAPLAYER_SLIDER_THUMB, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSliderThumbHover",
-    IDR_MEDIAPLAYER_SLIDER_THUMB_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerSliderThumbDown",
-    IDR_MEDIAPLAYER_SLIDER_THUMB_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerVolumeSliderThumb",
-    IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB, ui::SCALE_FACTOR_100P },
-  { "mediaplayerVolumeSliderThumbHover",
-    IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerVolumeSliderThumbDown",
-    IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerVolumeSliderThumbDisabled",
-    IDR_MEDIAPLAYER_VOLUME_SLIDER_THUMB_DISABLED, ui::SCALE_FACTOR_100P },
-  { "mediaplayerClosedCaption",
-    IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerClosedCaptionHover",
-    IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerClosedCaptionDown",
-    IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerClosedCaptionDisabled",
-    IDR_MEDIAPLAYER_CLOSEDCAPTION_BUTTON_DISABLED, ui::SCALE_FACTOR_100P },
-  { "mediaplayerFullscreen",
-    IDR_MEDIAPLAYER_FULLSCREEN_BUTTON, ui::SCALE_FACTOR_100P },
-  { "mediaplayerFullscreenHover",
-    IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_HOVER, ui::SCALE_FACTOR_100P },
-  { "mediaplayerFullscreenDown",
-    IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_DOWN, ui::SCALE_FACTOR_100P },
-  { "mediaplayerFullscreenDisabled",
-    IDR_MEDIAPLAYER_FULLSCREEN_BUTTON_DISABLED, ui::SCALE_FACTOR_100P },
-#if defined(OS_ANDROID)
-  { "mediaplayerOverlayPlay",
-    IDR_MEDIAPLAYER_OVERLAY_PLAY_BUTTON, ui::SCALE_FACTOR_100P },
-#endif
-#if defined(OS_MACOSX)
-  { "overhangPattern", IDR_OVERHANG_PATTERN, ui::SCALE_FACTOR_100P },
-#endif
-  { "panIcon", IDR_PAN_SCROLL_ICON, ui::SCALE_FACTOR_100P },
-  { "searchCancel", IDR_SEARCH_CANCEL, ui::SCALE_FACTOR_100P },
-  { "searchCancelPressed", IDR_SEARCH_CANCEL_PRESSED, ui::SCALE_FACTOR_100P },
-  { "searchMagnifier", IDR_SEARCH_MAGNIFIER, ui::SCALE_FACTOR_100P },
-  { "searchMagnifierResults",
-    IDR_SEARCH_MAGNIFIER_RESULTS, ui::SCALE_FACTOR_100P },
-  { "textAreaResizeCorner", IDR_TEXTAREA_RESIZER, ui::SCALE_FACTOR_100P },
-  { "textAreaResizeCorner@2x", IDR_TEXTAREA_RESIZER, ui::SCALE_FACTOR_200P },
-  { "inputSpeech", IDR_INPUT_SPEECH, ui::SCALE_FACTOR_100P },
-  { "inputSpeechRecording", IDR_INPUT_SPEECH_RECORDING, ui::SCALE_FACTOR_100P },
-  { "inputSpeechWaiting", IDR_INPUT_SPEECH_WAITING, ui::SCALE_FACTOR_100P },
-  { "americanExpressCC", IDR_AUTOFILL_CC_AMEX, ui::SCALE_FACTOR_100P },
-  { "dinersCC", IDR_AUTOFILL_CC_DINERS, ui::SCALE_FACTOR_100P },
-  { "discoverCC", IDR_AUTOFILL_CC_DISCOVER, ui::SCALE_FACTOR_100P },
-  { "genericCC", IDR_AUTOFILL_CC_GENERIC, ui::SCALE_FACTOR_100P },
-  { "jcbCC", IDR_AUTOFILL_CC_JCB, ui::SCALE_FACTOR_100P },
-  { "masterCardCC", IDR_AUTOFILL_CC_MASTERCARD, ui::SCALE_FACTOR_100P },
-  { "visaCC", IDR_AUTOFILL_CC_VISA, ui::SCALE_FACTOR_100P },
-  { "generatePassword", IDR_PASSWORD_GENERATION_ICON, ui::SCALE_FACTOR_100P },
-  { "generatePasswordHover",
-    IDR_PASSWORD_GENERATION_ICON_HOVER, ui::SCALE_FACTOR_100P },
-  { "syntheticTouchCursor",
-    IDR_SYNTHETIC_TOUCH_CURSOR, ui::SCALE_FACTOR_100P },
-};
-
-}  // namespace
-
-WebData WebKitPlatformSupportImpl::loadResource(const char* name) {
-  // Some clients will call into this method with an empty |name| when they have
-  // optional resources.  For example, the PopupMenuChromium code can have icons
-  // for some Autofill items but not for others.
-  if (!strlen(name))
-    return WebData();
-
-  // Check the name prefix to see if it's an audio resource.
-  if (StartsWithASCII(name, "IRC_Composite", true) ||
-      StartsWithASCII(name, "Composite", true))
-    return loadAudioSpatializationResource(this, name);
-
-  // TODO(flackr): We should use a better than linear search here, a trie would
-  // be ideal.
-  for (size_t i = 0; i < arraysize(kDataResources); ++i) {
-    if (!strcmp(name, kDataResources[i].name)) {
-      base::StringPiece resource =
-          GetDataResource(kDataResources[i].id,
-                          kDataResources[i].scale_factor);
-      return WebData(resource.data(), resource.size());
-    }
-  }
-
-  NOTREACHED() << "Unknown image resource " << name;
-  return WebData();
-}
-
-WebString WebKitPlatformSupportImpl::queryLocalizedString(
-    WebLocalizedString::Name name) {
-  int message_id = ToMessageID(name);
-  if (message_id < 0)
-    return WebString();
-  return GetLocalizedString(message_id);
-}
-
-WebString WebKitPlatformSupportImpl::queryLocalizedString(
-    WebLocalizedString::Name name, int numeric_value) {
-  return queryLocalizedString(name, base::IntToString16(numeric_value));
-}
-
-WebString WebKitPlatformSupportImpl::queryLocalizedString(
-    WebLocalizedString::Name name, const WebString& value) {
-  int message_id = ToMessageID(name);
-  if (message_id < 0)
-    return WebString();
-  return ReplaceStringPlaceholders(GetLocalizedString(message_id), value, NULL);
-}
-
-WebString WebKitPlatformSupportImpl::queryLocalizedString(
-    WebLocalizedString::Name name,
-    const WebString& value1,
-    const WebString& value2) {
-  int message_id = ToMessageID(name);
-  if (message_id < 0)
-    return WebString();
-  std::vector<base::string16> values;
-  values.reserve(2);
-  values.push_back(value1);
-  values.push_back(value2);
-  return ReplaceStringPlaceholders(
-      GetLocalizedString(message_id), values, NULL);
-}
-
-double WebKitPlatformSupportImpl::currentTime() {
-  return base::Time::Now().ToDoubleT();
-}
-
-double WebKitPlatformSupportImpl::monotonicallyIncreasingTime() {
-  return base::TimeTicks::Now().ToInternalValue() /
-      static_cast<double>(base::Time::kMicrosecondsPerSecond);
-}
-
-void WebKitPlatformSupportImpl::cryptographicallyRandomValues(
-    unsigned char* buffer, size_t length) {
-  base::RandBytes(buffer, length);
-}
-
-void WebKitPlatformSupportImpl::setSharedTimerFiredFunction(void (*func)()) {
-  shared_timer_func_ = func;
-}
-
-void WebKitPlatformSupportImpl::setSharedTimerFireInterval(
-    double interval_seconds) {
-  shared_timer_fire_time_ = interval_seconds + monotonicallyIncreasingTime();
-  if (shared_timer_suspended_) {
-    shared_timer_fire_time_was_set_while_suspended_ = true;
-    return;
-  }
-
-  // By converting between double and int64 representation, we run the risk
-  // of losing precision due to rounding errors. Performing computations in
-  // microseconds reduces this risk somewhat. But there still is the potential
-  // of us computing a fire time for the timer that is shorter than what we
-  // need.
-  // As the event loop will check event deadlines prior to actually firing
-  // them, there is a risk of needlessly rescheduling events and of
-  // needlessly looping if sleep times are too short even by small amounts.
-  // This results in measurable performance degradation unless we use ceil() to
-  // always round up the sleep times.
-  int64 interval = static_cast<int64>(
-      ceil(interval_seconds * base::Time::kMillisecondsPerSecond)
-      * base::Time::kMicrosecondsPerMillisecond);
-
-  if (interval < 0)
-    interval = 0;
-
-  shared_timer_.Stop();
-  shared_timer_.Start(FROM_HERE, base::TimeDelta::FromMicroseconds(interval),
-                      this, &WebKitPlatformSupportImpl::DoTimeout);
-  OnStartSharedTimer(base::TimeDelta::FromMicroseconds(interval));
-}
-
-void WebKitPlatformSupportImpl::stopSharedTimer() {
-  shared_timer_.Stop();
-}
-
-void WebKitPlatformSupportImpl::callOnMainThread(
-    void (*func)(void*), void* context) {
-  main_loop_->PostTask(FROM_HERE, base::Bind(func, context));
-}
-
-base::PlatformFile WebKitPlatformSupportImpl::databaseOpenFile(
-    const WebKit::WebString& vfs_file_name, int desired_flags) {
-  return base::kInvalidPlatformFileValue;
-}
-
-int WebKitPlatformSupportImpl::databaseDeleteFile(
-    const WebKit::WebString& vfs_file_name, bool sync_dir) {
-  return -1;
-}
-
-long WebKitPlatformSupportImpl::databaseGetFileAttributes(
-    const WebKit::WebString& vfs_file_name) {
-  return 0;
-}
-
-long long WebKitPlatformSupportImpl::databaseGetFileSize(
-    const WebKit::WebString& vfs_file_name) {
-  return 0;
-}
-
-long long WebKitPlatformSupportImpl::databaseGetSpaceAvailableForOrigin(
-    const WebKit::WebString& origin_identifier) {
-  return 0;
-}
-
-WebKit::WebString WebKitPlatformSupportImpl::signedPublicKeyAndChallengeString(
-    unsigned key_size_index,
-    const WebKit::WebString& challenge,
-    const WebKit::WebURL& url) {
-  return WebKit::WebString("");
-}
-
-static scoped_ptr<base::ProcessMetrics> CurrentProcessMetrics() {
-  using base::ProcessMetrics;
-#if defined(OS_MACOSX)
-  return scoped_ptr<ProcessMetrics>(
-      // The default port provider is sufficient to get data for the current
-      // process.
-      ProcessMetrics::CreateProcessMetrics(base::GetCurrentProcessHandle(),
-                                           NULL));
-#else
-  return scoped_ptr<ProcessMetrics>(
-      ProcessMetrics::CreateProcessMetrics(base::GetCurrentProcessHandle()));
-#endif
-}
-
-static size_t getMemoryUsageMB(bool bypass_cache) {
-  size_t current_mem_usage = 0;
-  MemoryUsageCache* mem_usage_cache_singleton = MemoryUsageCache::GetInstance();
-  if (!bypass_cache &&
-      mem_usage_cache_singleton->IsCachedValueValid(&current_mem_usage))
-    return current_mem_usage;
-
-  current_mem_usage = MemoryUsageKB() >> 10;
-  mem_usage_cache_singleton->SetMemoryValue(current_mem_usage);
-  return current_mem_usage;
-}
-
-size_t WebKitPlatformSupportImpl::memoryUsageMB() {
-  return getMemoryUsageMB(false);
-}
-
-size_t WebKitPlatformSupportImpl::actualMemoryUsageMB() {
-  return getMemoryUsageMB(true);
-}
-
-#if defined(OS_ANDROID)
-size_t WebKitPlatformSupportImpl::lowMemoryUsageMB() {
-  // If memory usage is below this threshold, do not bother forcing GC.
-  // Allow us to use up to our memory class value before V8's GC kicks in.
-  // These values have been determined by experimentation.
-  return base::SysInfo::DalvikHeapSizeMB() / 2;
-}
-
-size_t WebKitPlatformSupportImpl::highMemoryUsageMB() {
-  // If memory usage is above this threshold, force GC more aggressively.
-  return base::SysInfo::DalvikHeapSizeMB() * 3 / 4;
-}
-
-size_t WebKitPlatformSupportImpl::highUsageDeltaMB() {
-  // If memory usage is above highMemoryUsageMB() and memory usage increased by
-  // more than highUsageDeltaMB() since the last GC, then force GC.
-  // Note that this limit should be greater than the amount of memory for V8
-  // internal data structures that are released on GC and reallocated during JS
-  // execution (about 8MB). Otherwise, it will cause too aggressive GCs.
-  return base::SysInfo::DalvikHeapSizeMB() / 8;
-}
-#endif
-
-void WebKitPlatformSupportImpl::startHeapProfiling(
-  const WebKit::WebString& prefix) {
-  // FIXME(morrita): Make this built on windows.
-#if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN)
-  HeapProfilerStart(prefix.utf8().data());
-#endif
-}
-
-void WebKitPlatformSupportImpl::stopHeapProfiling() {
-#if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN)
-  HeapProfilerStop();
-#endif
-}
-
-void WebKitPlatformSupportImpl::dumpHeapProfiling(
-  const WebKit::WebString& reason) {
-#if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN)
-  HeapProfilerDump(reason.utf8().data());
-#endif
-}
-
-WebString WebKitPlatformSupportImpl::getHeapProfile() {
-#if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN)
-  char* data = GetHeapProfile();
-  WebString result = WebString::fromUTF8(std::string(data));
-  free(data);
-  return result;
-#else
-  return WebString();
-#endif
-}
-
-bool WebKitPlatformSupportImpl::processMemorySizesInBytes(
-    size_t* private_bytes,
-    size_t* shared_bytes) {
-  return CurrentProcessMetrics()->GetMemoryBytes(private_bytes, shared_bytes);
-}
-
-bool WebKitPlatformSupportImpl::memoryAllocatorWasteInBytes(size_t* size) {
-  return base::allocator::GetAllocatorWasteSize(size);
-}
-
-void WebKitPlatformSupportImpl::SuspendSharedTimer() {
-  ++shared_timer_suspended_;
-}
-
-void WebKitPlatformSupportImpl::ResumeSharedTimer() {
-  // The shared timer may have fired or been adjusted while we were suspended.
-  if (--shared_timer_suspended_ == 0 &&
-      (!shared_timer_.IsRunning() ||
-       shared_timer_fire_time_was_set_while_suspended_)) {
-    shared_timer_fire_time_was_set_while_suspended_ = false;
-    setSharedTimerFireInterval(
-        shared_timer_fire_time_ - monotonicallyIncreasingTime());
-  }
-}
-
-}  // namespace webkit_glue