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

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

Index: trunk/src/chrome/browser/extensions/api/audio/audio_api.h
===================================================================
--- trunk/src/chrome/browser/extensions/api/audio/audio_api.h	(revision 198567)
+++ trunk/src/chrome/browser/extensions/api/audio/audio_api.h	(working copy)
@@ -54,7 +54,7 @@
                           bool success);
 };
 
-class AudioSetActiveDevicesFunction : public SyncExtensionFunction {
+class AudioSetActiveDevicesFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("audio.setActiveDevices",
                              AUDIO_SETACTIVEDEVICES);
@@ -64,7 +64,7 @@
   virtual bool RunImpl() OVERRIDE;
 };
 
-class AudioSetPropertiesFunction : public SyncExtensionFunction {
+class AudioSetPropertiesFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("audio.setProperties",
                              AUDIO_SETPROPERTIES);