To fix the cross-site post submission bug.

content/public/browser/page_navigator.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // PageNavigator defines an interface that can be used to express the user's
 // intention to navigate to a particular URL.  The implementing class should
 // perform the navigation.
 
 #ifndef CONTENT_PUBLIC_BROWSER_PAGE_NAVIGATOR_H_
 #define CONTENT_PUBLIC_BROWSER_PAGE_NAVIGATOR_H_
 
 #include <string>
+#include <vector>
 
+#include "content/public/common/frame_navigate_params.h"
+
+#include "base/base_export.h"
+#include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/public/common/referrer.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/glue/window_open_disposition.h"
 
+
 namespace content {
 
 class WebContents;
+struct WebHTTPPOSTBodyParams;
 
 struct CONTENT_EXPORT OpenURLParams {
   OpenURLParams(const GURL& url,
                 const Referrer& referrer,
                 WindowOpenDisposition disposition,
                 PageTransition transition,
                 bool is_renderer_initiated);
   OpenURLParams(const GURL& url,
                 const Referrer& referrer,
                 int64 source_frame_id,
@@ skipping 23 matching lines @@
   // Whether this navigation is initiated by the renderer process.
   bool is_renderer_initiated;
 
   // The override encoding of the URL contents to be opened.
   std::string override_encoding;
 
   // Reference to the old request id in case this is a navigation that is being
   // transferred to a new renderer.
   GlobalRequestID transferred_global_request_id;
 
+  // The Post data in HTTPRequest body.
+  std::vector<content::WebHTTPPOSTBodyParams> post_data;
+
  private:
   OpenURLParams();
 };
 
 class PageNavigator {
  public:
   virtual ~PageNavigator() {}
 
   // Opens a URL with the given disposition.  The transition specifies how this
   // navigation should be recorded in the history system (for example, typed).
   // Returns the WebContents the URL is opened in, or NULL if the URL wasn't
   // opened immediately.
   virtual WebContents* OpenURL(const OpenURLParams& params) = 0;
 };
 
 }
 
 #endif  // CONTENT_PUBLIC_BROWSER_PAGE_NAVIGATOR_H_