Add navigator.doNotTrack property

chrome/browser/ui/prefs/prefs_tab_helper.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/ui/prefs/prefs_tab_helper.h"
 
 #include <string>
 
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 78 matching lines @@
   prefs->RegisterLocalizedStringPref(prefs::kWebKitGlobalFantasyFontFamily,
                                      IDS_FANTASY_FONT_FAMILY,
                                      PrefService::UNSYNCABLE_PREF);
 }
 
 // The list of prefs we want to observe.
 const char* kPrefsToObserve[] = {
   prefs::kDefaultZoomLevel,
   prefs::kDefaultCharset,
   prefs::kEnableReferrers,
+  prefs::kEnableDoNotTrack,
   prefs::kWebKitAllowDisplayingInsecureContent,
   prefs::kWebKitAllowRunningInsecureContent,
   prefs::kWebKitDefaultFixedFontSize,
   prefs::kWebKitDefaultFontSize,
   prefs::kWebKitJavascriptEnabled,
   prefs::kWebKitJavaEnabled,
   prefs::kWebKitLoadsImagesAutomatically,
   prefs::kWebKitMinimumFontSize,
   prefs::kWebKitMinimumLogicalFontSize,
   prefs::kWebKitPluginsEnabled,
@@ skipping 409 matching lines @@
     }
 #endif
     case chrome::NOTIFICATION_PREF_CHANGED: {
       std::string* pref_name_in = content::Details<std::string>(details).ptr();
       DCHECK(content::Source<PrefService>(source).ptr() ==
                  GetProfile()->GetPrefs());
       if (*pref_name_in == prefs::kDefaultCharset ||
           StartsWithASCII(*pref_name_in, "webkit.webprefs.", true)) {
         UpdateWebPreferences();
       } else if (*pref_name_in == prefs::kDefaultZoomLevel ||
-                 *pref_name_in == prefs::kEnableReferrers) {
+                 *pref_name_in == prefs::kEnableReferrers ||
+                 *pref_name_in == prefs::kEnableDoNotTrack) {
         UpdateRendererPreferences();
       } else {
         NOTREACHED() << "unexpected pref change notification" << *pref_name_in;
       }
       break;
     }
     default:
       NOTREACHED();
   }
 }
 
 void PrefsTabHelper::UpdateWebPreferences() {
   web_contents_->GetRenderViewHost()->UpdateWebkitPreferences(
       web_contents_->GetRenderViewHost()->GetWebkitPreferences());
 }
 
 void PrefsTabHelper::UpdateRendererPreferences() {
   renderer_preferences_util::UpdateFromSystemSettings(
       web_contents_->GetMutableRendererPrefs(), GetProfile());
   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
 }
 
 Profile* PrefsTabHelper::GetProfile() {
   return Profile::FromBrowserContext(web_contents_->GetBrowserContext());
 }