Date and Time dialog for when the clock isn't synced.

chrome/browser/ui/webui/options/options_ui.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
   // Key for identifying the Settings App localized_strings in loadTimeData.
   static const char kSettingsAppKey[];
 
   OptionsPageUIHandler();
   virtual ~OptionsPageUIHandler();
 
   // Is this handler enabled?
   virtual bool IsEnabled();
 
   // Collects localized strings for options page.
-  virtual void GetLocalizedValues(base::DictionaryValue* localized_strings) = 0;
+  virtual void GetLocalizedValues(base::DictionaryValue* localized_strings) {}
 
   virtual void PageLoadStarted() {}
 
   // Will be called only once in the life time of the handler. Generally used to
   // add observers, initializes preferences, or start asynchronous calls from
   // various services.
   virtual void InitializeHandler() {}
 
   // Initialize the page. Called once the DOM is available for manipulation.
   // This will be called when a RenderView is re-used (when navigated to with
@@ skipping 97 matching lines @@
   scoped_ptr<chromeos::system::PointerDeviceObserver>
       pointer_device_observer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(OptionsUI);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_H_