To fix the cross-site post submission bug.

content/public/browser/navigation_controller.h

Index: content/public/browser/navigation_controller.h
diff --git a/content/public/browser/navigation_controller.h b/content/public/browser/navigation_controller.h
index 8a64d4875c4f4f4eb546f3dfe80e8a7d076649a4..16eaff7c2cc40b858a53339eee9dca0f6c7bc656 100644
--- a/content/public/browser/navigation_controller.h
+++ b/content/public/browser/navigation_controller.h
@@ -9,6 +9,8 @@
 #include <string>
 #include <vector>
 
+#include "content/public/common/frame_navigate_params.h"
+
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
@@ -29,6 +31,7 @@ class BrowserContext;
 class NavigationEntry;
 class SessionStorageNamespace;
 class WebContents;
+struct WebHTTPPOSTBodyParams;
 
 // Used to store the mapping of a StoragePartition id to
 // SessionStorageNamespace.
@@ -148,6 +151,9 @@ class NavigationController {
     // after LoadURLWithParams call.
     scoped_refptr<base::RefCountedMemory> browser_initiated_post_data;
 
+    // post data
+    std::vector<content::WebHTTPPOSTBodyParams> post_data;
+
     // True if this URL should be able to access local resources.
     bool can_load_local_resources;