Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/push_messaging/push_messaging_api.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_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_API_H__
 #define CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_API_H__
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 48 matching lines @@
       public ObfuscatedGaiaIdFetcher::Delegate,
       public OAuth2TokenService::Observer,
       public OAuth2TokenService::Consumer {
  public:
   PushMessagingGetChannelIdFunction();
 
  protected:
   virtual ~PushMessagingGetChannelIdFunction();
 
   // ExtensionFunction:
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
   DECLARE_EXTENSION_FUNCTION("pushMessaging.getChannelId",
                              PUSHMESSAGING_GETCHANNELID)
 
  private:
   void ReportResult(const std::string& gaia_id,
                     const std::string& error_message);
 
   void BuildAndSendResult(const std::string& gaia_id,
                           const std::string& error_message);
 
@@ skipping 78 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(PushMessagingAPI);
 };
 
 template <>
 void BrowserContextKeyedAPIFactory<
     PushMessagingAPI>::DeclareFactoryDependencies();
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_API_H__