[Android] A prototype of the interactive media notification.

content/public/browser/web_contents.h

Index: content/public/browser/web_contents.h
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index b2eaf32ca3591147d42a067bc6722d402f00fb66..7cf3ac7d32bc068e25bd6099e5a6d3a85b5a6985 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -48,6 +48,7 @@ namespace content {
 class BrowserContext;
 class BrowserPluginGuestDelegate;
 class InterstitialPage;
+class MediaControlsDelegate;
 class PageState;
 class RenderFrameHost;
 class RenderProcessHost;
@@ -658,6 +659,10 @@ class WebContents : public PageNavigator,
   CONTENT_EXPORT static WebContents* FromJavaWebContents(
       jobject jweb_contents_android);
   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaWebContents() = 0;
+
+  // Returns the delegate for the media controls (e.g. lock screen or
+  // notification).
+  virtual MediaControlsDelegate* GetMediaControlsDelegate() = 0;
 #elif defined(OS_MACOSX)
   // Allowing other views disables optimizations which assume that only a single
   // WebContents is present.