Send origin updates to frame proxies when a frame navigates to new origin.

content/renderer/render_frame_proxy.h

Index: content/renderer/render_frame_proxy.h
diff --git a/content/renderer/render_frame_proxy.h b/content/renderer/render_frame_proxy.h
index 19a94f682064e763dbe53d4b84ac1374b08e08b9..fba8c9afef430f494102b5db4987f5dd6dead447 100644
--- a/content/renderer/render_frame_proxy.h
+++ b/content/renderer/render_frame_proxy.h
@@ -12,6 +12,7 @@
 #include "ipc/ipc_sender.h"
 #include "third_party/WebKit/public/web/WebRemoteFrame.h"
 #include "third_party/WebKit/public/web/WebRemoteFrameClient.h"
+#include "url/origin.h"
 
 struct FrameMsg_BuffersSwapped_Params;
 struct FrameMsg_CompositorFrameSwapped_Params;
@@ -144,6 +145,7 @@ class CONTENT_EXPORT RenderFrameProxy
   void OnDidUpdateSandboxFlags(SandboxFlags flags);
   void OnDispatchLoad();
   void OnDidUpdateName(const std::string& name);
+  void OnDidUpdateOrigin(const url::Origin& origin);
 
   // The routing ID by which this RenderFrameProxy is known.
   const int routing_id_;