Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/audio/audio_api.h

 // Copyright (c) 2013 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_AUDIO_AUDIO_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_AUDIO_AUDIO_API_H_
 
 #include "chrome/browser/extensions/api/audio/audio_service.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
@@ skipping 27 matching lines @@
   AudioService* service_;
 };
 
 class AudioGetInfoFunction : public ChromeAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("audio.getInfo",
                              AUDIO_GETINFO);
 
  protected:
   virtual ~AudioGetInfoFunction() {}
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
 
  private:
   void OnGetInfoCompleted(const OutputInfo& output_info,
                           const InputInfo& input_info,
                           bool success);
 };
 
 class AudioSetActiveDevicesFunction : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("audio.setActiveDevices",
@@ skipping 11 matching lines @@
 
  protected:
   virtual ~AudioSetPropertiesFunction() {}
   virtual bool RunSync() OVERRIDE;
 };
 
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_AUDIO_AUDIO_API_H_