Keep playing audio even when opening another tab, going to another app etc.

webkit/media/android/webmediaplayer_manager_android.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 WEBKIT_MEDIA_ANDROID_WEBMEDIAPLAYER_MANAGER_ANDROID_H_
 #define WEBKIT_MEDIA_ANDROID_WEBMEDIAPLAYER_MANAGER_ANDROID_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 10 matching lines @@
 // RenderView.
 class WebMediaPlayerManagerAndroid {
  public:
   WebMediaPlayerManagerAndroid();
   virtual ~WebMediaPlayerManagerAndroid();
 
   // Register and unregister a WebMediaPlayerAndroid object.
   int RegisterMediaPlayer(WebMediaPlayerAndroid* player);
   void UnregisterMediaPlayer(int player_id);
 
-  // Release all the media resources managed by this object.
-  void ReleaseMediaResources();
+  // Release all the media resources managed by this object unless
+  // a media play is in progress.
+  void ReleaseMediaResourcesIfNotPlaying();
 
   // Check whether a player can enter fullscreen.
   bool CanEnterFullscreen(WebKit::WebFrame* frame);
 
   // Called when a player entered or exited fullscreen.
   void DidEnterFullscreen(WebKit::WebFrame* frame);
   void DidExitFullscreen();
 
   // Check whether the Webframe is in fullscreen.
   bool IsInFullscreen(WebKit::WebFrame* frame);
@@ skipping 10 matching lines @@
 
   // WebFrame of the fullscreen video.
   WebKit::WebFrame* fullscreen_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerManagerAndroid);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_ANDROID_WEBMEDIAPLAYER_MANAGER_ANDROID_H_