Propagate audible state from player to the containing tab

content/browser/media/media_web_contents_observer.h

Index: content/browser/media/media_web_contents_observer.h
diff --git a/content/browser/media/media_web_contents_observer.h b/content/browser/media/media_web_contents_observer.h
index 3b451a82800068360fdaad1fb9ca414903c523d2..2816ed11336e9ca5c07d59b713ce9a2606825fa7 100644
--- a/content/browser/media/media_web_contents_observer.h
+++ b/content/browser/media/media_web_contents_observer.h
@@ -7,11 +7,16 @@
 
 #include "base/compiler_specific.h"
 #include "base/containers/scoped_ptr_hash_map.h"
+#include "base/memory/scoped_ptr.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace content {
 
+#if defined(OS_ANDROID)
+class MediaPlayersObserver;
+#endif // defined(OS_ANDROID)

[qinmin, 2015/03/02 22:55:41]

nit: 2 spaces before //

[Tima Vaisburd, 2015/03/02 23:30:07]

Done.

+
 class BrowserCdmManager;
 class BrowserMediaPlayerManager;
 
@@ -45,6 +50,8 @@ class CONTENT_EXPORT MediaWebContentsObserver : public WebContentsObserver {
 
   void OnSetCdm(RenderFrameHost* render_frame_host, int player_id, int cdm_id);
 
+  MediaPlayersObserver* GetMediaPlayersObserver() const;
+
 #if defined(VIDEO_HOLE)
   void OnFrameInfoUpdated();
 #endif  // defined(VIDEO_HOLE)