To fix the cross-site post submission bug.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index f492761d844c903f0eecd9ed105631bd66cf022c..a164305d093984c917129226274c18b2a5d98d7e 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -45,6 +45,7 @@
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/vector2d.h"
+#include "webkit/glue/resource_request_body.h"
 #include "webkit/glue/webcookie.h"
 #include "webkit/glue/webmenuitem.h"
 #include "webkit/glue/webpreferences.h"
@@ -736,13 +737,25 @@ IPC_STRUCT_BEGIN(ViewMsg_Navigate_Params)
 
   // If is_post is true, holds the post_data information from browser. Empty
   // otherwise.
-  IPC_STRUCT_MEMBER(std::vector<unsigned char>, browser_initiated_post_data)
+  IPC_STRUCT_MEMBER(scoped_refptr<webkit_glue::ResourceRequestBody>,
+                    browser_initiated_post_data)
 
   // Whether or not this url should be allowed to access local file://
   // resources.
   IPC_STRUCT_MEMBER(bool, can_load_local_resources)
 IPC_STRUCT_END()
 
+// Parameters for a resource request.
+IPC_STRUCT_BEGIN(ViewHostMsg_OpenURL_Params)
+  IPC_STRUCT_MEMBER(GURL, url)
+  IPC_STRUCT_MEMBER(content::Referrer, referrer)
+  IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
+  IPC_STRUCT_MEMBER(int64, frame_id)
+  IPC_STRUCT_MEMBER(std::string, extra_header)
+  IPC_STRUCT_MEMBER(scoped_refptr<webkit_glue::ResourceRequestBody>,
+                    request_body)
+IPC_STRUCT_END()
+
 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
   // The parent window's id.
   IPC_STRUCT_MEMBER(gfx::NativeViewId, parent_window)
@@ -1897,11 +1910,8 @@ IPC_SYNC_MESSAGE_ROUTED4_2(ViewHostMsg_RunJavaScriptMessage,
                            string16     /* out - user_input field */)
 
 // Requests that the given URL be opened in the specified manner.
-IPC_MESSAGE_ROUTED4(ViewHostMsg_OpenURL,
-                    GURL /* url */,
-                    content::Referrer /* referrer */,
-                    WindowOpenDisposition /* disposition */,
-                    int64 /* frame id */)
+IPC_MESSAGE_ROUTED1(ViewHostMsg_OpenURL,
+                    ViewHostMsg_OpenURL_Params)
 
 // Notifies that the preferred size of the content changed.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,