Fix webrtcAudioPrivate API to handle requests from <webview>s.

content/public/browser/render_view_host.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 CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 
-#include <list>
-
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/common/file_chooser_params.h"
 #include "content/public/common/page_zoom.h"
 #include "third_party/WebKit/public/web/WebDragOperation.h"
 #include "third_party/mojo/src/mojo/public/cpp/system/core.h"
 
 class GURL;
 
 namespace base {
 class FilePath;
 class Value;
 }
 
 namespace blink {
 struct WebMediaPlayerAction;
 struct WebPluginAction;
 }
 
 namespace gfx {
 class Point;
 }
 
-namespace media {
-class AudioOutputController;
-}
-
 namespace content {
 
 class ChildProcessSecurityPolicy;
 class RenderFrameHost;
 class RenderViewHostDelegate;
 class SessionStorageNamespace;
 class SiteInstance;
 struct DropData;
 struct FileChooserFileInfo;
 struct WebPreferences;
@@ skipping 144 matching lines @@
   // this lookup will be fast
   virtual WebPreferences GetWebkitPreferences() = 0;
 
   // If any state that affects the webkit preferences changed, this method must
   // be called. This triggers recomputing preferences.
   virtual void OnWebkitPreferencesChanged() = 0;
 
   // Passes a list of Webkit preferences to the renderer.
   virtual void UpdateWebkitPreferences(const WebPreferences& prefs) = 0;
 
-  // Retrieves the list of AudioOutputController objects associated
-  // with this object and passes it to the callback you specify, on
-  // the same thread on which you called the method.
-  typedef std::list<scoped_refptr<media::AudioOutputController> >
-      AudioOutputControllerList;
-  typedef base::Callback<void(const AudioOutputControllerList&)>
-      GetAudioOutputControllersCallback;
-  virtual void GetAudioOutputControllers(
-      const GetAudioOutputControllersCallback& callback) const = 0;
-
   // Notify the render view host to select the word around the caret.
   virtual void SelectWordAroundCaret() = 0;
 
 #if defined(OS_ANDROID)
   // Selects and zooms to the find result nearest to the point (x,y)
   // defined in find-in-page coordinates.
   virtual void ActivateNearestFindResult(int request_id, float x, float y) = 0;
 
   // Asks the renderer to send the rects of the current find matches.
   virtual void RequestFindMatchRects(int current_version) = 0;
 #endif
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderViewHostImpl;
   RenderViewHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_