Bug 451958 - Implement same-origin check plus Access Controls for video Part 2a - r+sr=roc

content/html/content/src/nsHTMLMediaElement.cpp

@@ -259,6 +259,20 @@ NS_IMETHODIMP nsHTMLMediaElement::Load()
     mChannel = nsnull;
   }
 
+  PRInt16 shouldLoad = nsIContentPolicy::ACCEPT;
+  rv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_MEDIA,
+                                 uri,
+                                 NodePrincipal(),
+                                 this,
+                                 EmptyCString(), // mime type
+                                 nsnull, // extra
+                                 &shouldLoad,
+                                 nsContentUtils::GetContentPolicy(),
+                                 nsContentUtils::GetSecurityManager());
+  if (NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad)) {
+    return NS_ERROR_CONTENT_BLOCKED;
+  }
+
   rv = NS_NewChannel(getter_AddRefs(mChannel),
                      uri,
                      nsnull,