Ability to block <audio> and <video> media.

public/web/WebPermissionClient.h

Index: public/web/WebPermissionClient.h
diff --git a/public/web/WebPermissionClient.h b/public/web/WebPermissionClient.h
index b1e9f58c7eff0386f38024f424fd886fa0124bd1..3ee573c6e06ed2f06da9df091a4b3e74a84b0cfb 100644
--- a/public/web/WebPermissionClient.h
+++ b/public/web/WebPermissionClient.h
@@ -57,6 +57,9 @@ public:
     // Controls whether access to Indexed DB are allowed for this frame.
     virtual bool allowIndexedDB(const WebString& name, const WebSecurityOrigin&) { return true; }
 
+    // Controls whether HTML5 media elements (<audio>, <video>) are allowed for this frame.
+    virtual bool allowMedia(const WebURL& videoURL) { return true; }
+
     // Controls whether plugins are allowed for this frame.
     virtual bool allowPlugins(bool enabledPerSettings) { return enabledPerSettings; }