<webview>: First stab at implementing media permission request for guests.

content/renderer/browser_plugin/browser_plugin.h

Index: content/renderer/browser_plugin/browser_plugin.h
diff --git a/content/renderer/browser_plugin/browser_plugin.h b/content/renderer/browser_plugin/browser_plugin.h
index da612fa2b5e589633c56c00135ea5b13ba7f1c52..7317407d5ace553594cffe4b2b0abb880531842b 100644
--- a/content/renderer/browser_plugin/browser_plugin.h
+++ b/content/renderer/browser_plugin/browser_plugin.h
@@ -115,6 +115,12 @@ class CONTENT_EXPORT BrowserPlugin :
   // touch events.
   void SetAcceptTouchEvents(bool accept);
 
+  // Requests media access permission from the embedder.
+  void RequestMediaAccess(int request_id);
+  // Informs the BrowserPlugin that the guest's request for media access has
+  // been allowed or denied.
+  void AllowMediaAccess(int request_id, bool allow);

[sadrul, 2012/11/16 03:59:53]

Perhaps call this RespondMediaAccess or something similar. It feels a bit
awkward to call AllowMediaAccess when the request is denied!

[lazyboy, 2012/11/16 06:27:09]

Done.
(the msg is named AllowFoo still, we shd probably change that too?)

+
   // Tells the BrowserPlugin to tell the guest to navigate to the previous
   // navigation entry in the navigation history.
   void Back();