Add navigator.doNotTrack property

chrome/browser/renderer_preferences_util.cc

 // 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 "chrome/browser/renderer_preferences_util.h"
 
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/common/renderer_preferences.h"
@@ skipping 57 matching lines @@
   }
 }
 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
 
 }  // namespace
 
 void UpdateFromSystemSettings(
     content::RendererPreferences* prefs, Profile* profile) {
   const PrefService* pref_service = profile->GetPrefs();
   prefs->enable_referrers = pref_service->GetBoolean(prefs::kEnableReferrers);
+  prefs->enable_do_not_track =
+      pref_service->GetBoolean(prefs::kEnableDoNotTrack);
   prefs->default_zoom_level = pref_service->GetDouble(prefs::kDefaultZoomLevel);
 
 #if defined(TOOLKIT_GTK)
   GtkThemeService* theme_service = GtkThemeService::GetFrom(profile);
   prefs->focus_ring_color = theme_service->get_focus_ring_color();
   prefs->thumb_active_color = theme_service->get_thumb_active_color();
   prefs->thumb_inactive_color = theme_service->get_thumb_inactive_color();
   prefs->track_color = theme_service->get_track_color();
   prefs->active_selection_bg_color =
       theme_service->get_active_selection_bg_color();
@@ skipping 23 matching lines @@
   prefs->use_subpixel_positioning = params.subpixel_positioning;
   prefs->hinting = GetRendererPreferencesHintingEnum(params.hinting);
   prefs->use_autohinter = params.autohinter;
   prefs->use_bitmaps = params.use_bitmaps;
   prefs->subpixel_rendering =
       GetRendererPreferencesSubpixelRenderingEnum(params.subpixel_rendering);
 #endif
 }
 
 }  // renderer_preferences_util