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..05a86ec19d350a72fb2c619debb56d0f1a8d9a31 100644
--- a/content/browser/media/media_web_contents_observer.h
+++ b/content/browser/media/media_web_contents_observer.h
@@ -7,11 +7,13 @@
 
 #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 {
 
+class AudioMonitorAndroid;
 class BrowserCdmManager;
 class BrowserMediaPlayerManager;
 
@@ -27,6 +29,9 @@ class CONTENT_EXPORT MediaWebContentsObserver : public WebContentsObserver {
   // WebContentsObserver implementations.
   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
 
+  bool IsAudible() const;
+  void OnAudibleStateChanged(RenderFrameHost* render_frame_host);

[qinmin, 2015/02/03 20:33:24]

docs

[Tima Vaisburd, 2015/02/03 23:53:05]

Done. OnAudibleStateChanged() is removed from here.

+
 #if defined(OS_ANDROID)
   bool OnMessageReceived(const IPC::Message& message,
                          RenderFrameHost* render_frame_host) override;
@@ -54,6 +59,8 @@ class CONTENT_EXPORT MediaWebContentsObserver : public WebContentsObserver {
   typedef base::ScopedPtrHashMap<uintptr_t, BrowserMediaPlayerManager>
       MediaPlayerManagerMap;
   MediaPlayerManagerMap media_player_managers_;
+
+  scoped_ptr<AudioMonitorAndroid> audio_monitor_;
 #endif  // defined(OS_ANDROID)
 
  private: