Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/browser/tab_contents/render_view_host_delegate_helper.cc

Index: chrome/browser/tab_contents/render_view_host_delegate_helper.cc
diff --git a/chrome/browser/tab_contents/render_view_host_delegate_helper.cc b/chrome/browser/tab_contents/render_view_host_delegate_helper.cc
index 4cec7a18cdbf3076f45755f9864f243f2a6706ec..cc975b4e4a88d519cd9401957942e4fe96058175 100644
--- a/chrome/browser/tab_contents/render_view_host_delegate_helper.cc
+++ b/chrome/browser/tab_contents/render_view_host_delegate_helper.cc
@@ -309,8 +309,6 @@ WebPreferences RenderViewHostDelegateHelper::GetWebkitPrefs(
         !command_line.HasSwitch(switches::kDisableAcceleratedVideo);
     web_prefs.memory_info_enabled =
         command_line.HasSwitch(switches::kEnableMemoryInfo);
-    web_prefs.hyperlink_auditing_enabled =
-        !command_line.HasSwitch(switches::kNoPings);
     web_prefs.interactive_form_validation_enabled =
         !command_line.HasSwitch(switches::kDisableInteractiveFormValidation);
     web_prefs.fullscreen_enabled =
@@ -342,6 +340,8 @@ WebPreferences RenderViewHostDelegateHelper::GetWebkitPrefs(
       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
   web_prefs.text_areas_are_resizable =
       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
+  web_prefs.hyperlink_auditing_enabled =
+      prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
 
   // Make sure we will set the default_encoding with canonical encoding name.
   web_prefs.default_encoding =