To fix the cross-site post submission bug.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 571512b0c30de7e100b03d3b9e1b1379fd18212f..56dd7ba6dd52ade5e5f67c7a90a25f8dd9628996 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -36,6 +36,7 @@ struct ViewHostMsg_DidFailProvisionalLoadWithError_Params;
 struct ViewHostMsg_ShowPopup_Params;
 struct ViewMsg_Navigate_Params;
 struct ViewMsg_PostMessage_Params;
+struct ViewMsg_PostRequest_Params;
 struct ViewMsg_StopFinding_Params;
 
 namespace base {
@@ -513,6 +514,12 @@ class CONTENT_EXPORT RenderViewHostImpl
                     const Referrer& referrer,
                     WindowOpenDisposition disposition,
                     int64 source_frame_id);
+  void OnMsgOpenPostURL(
+      const GURL& url,
+      const Referrer& referrer,
+      WindowOpenDisposition disposition,
+      int64 source_frame_id,
+      const ViewMsg_PostRequest_Params& request);
   void OnMsgDidContentsPreferredSizeChange(const gfx::Size& new_size);
   void OnMsgDidChangeScrollbarsForMainFrame(bool has_horizontal_scrollbar,
                                             bool has_vertical_scrollbar);