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..0388a3200cf5e2c94649e859b0cdd38ddf0c5a8a 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -33,6 +33,7 @@ struct AccessibilityHostMsg_NotificationParams;
 struct MediaPlayerAction;
 struct ViewHostMsg_CreateWindow_Params;
 struct ViewHostMsg_DidFailProvisionalLoadWithError_Params;
+struct ViewHostMsg_OpenURL_Params;
 struct ViewHostMsg_ShowPopup_Params;
 struct ViewMsg_Navigate_Params;
 struct ViewMsg_PostMessage_Params;
@@ -509,10 +510,7 @@ class CONTENT_EXPORT RenderViewHostImpl
   void OnMsgDocumentOnLoadCompletedInMainFrame(int32 page_id);
   void OnMsgContextMenu(const ContextMenuParams& params);
   void OnMsgToggleFullscreen(bool enter_fullscreen);
-  void OnMsgOpenURL(const GURL& url,
-                    const Referrer& referrer,
-                    WindowOpenDisposition disposition,
-                    int64 source_frame_id);
+  void OnMsgOpenURL(const ViewHostMsg_OpenURL_Params& params);
   void OnMsgDidContentsPreferredSizeChange(const gfx::Size& new_size);
   void OnMsgDidChangeScrollbarsForMainFrame(bool has_horizontal_scrollbar,
                                             bool has_vertical_scrollbar);