Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/extensions/extension_web_ui.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/extensions/extension_web_ui.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 169 matching lines @@
 ExtensionWebUI::bookmark_manager_private_drag_event_router() {
   return bookmark_manager_private_drag_event_router_.get();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // chrome:// URL overrides
 
 // static
 void ExtensionWebUI::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterDictionaryPref(
-      kExtensionURLOverrides,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(kExtensionURLOverrides);
 }
 
 // static
 bool ExtensionWebUI::HandleChromeURLOverride(
     GURL* url,
     content::BrowserContext* browser_context) {
   if (!url->SchemeIs(content::kChromeUIScheme))
     return false;
 
   Profile* profile = Profile::FromBrowserContext(browser_context);
@@ skipping 229 matching lines @@
         extensions::ImageLoader::ImageRepresentation::ALWAYS_RESIZE,
         gfx::Size(pixel_size, pixel_size),
         resource_scale_factor));
   }
 
   // LoadImagesAsync actually can run callback synchronously. We want to force
   // async.
   extensions::ImageLoader::Get(profile)->LoadImagesAsync(
       extension, info_list, base::Bind(&RunFaviconCallbackAsync, callback));
 }