Revert 198556 "Implement the rest of the audio API."

trunk/src/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/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/extension_function.h"
@@ skipping 36 matching lines @@
  protected:
   virtual ~AudioGetInfoFunction() {}
   virtual bool RunImpl() OVERRIDE;
 
  private:
   void OnGetInfoCompleted(const OutputInfo& output_info,
                           const InputInfo& input_info,
                           bool success);
 };
 
-class AudioSetActiveDevicesFunction : public SyncExtensionFunction {
+class AudioSetActiveDevicesFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("audio.setActiveDevices",
                              AUDIO_SETACTIVEDEVICES);
 
  protected:
   virtual ~AudioSetActiveDevicesFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
-class AudioSetPropertiesFunction : public SyncExtensionFunction {
+class AudioSetPropertiesFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("audio.setProperties",
                              AUDIO_SETPROPERTIES);
 
  protected:
   virtual ~AudioSetPropertiesFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_AUDIO_AUDIO_API_H_