PlzNavigate: store POST data in the FrameNavigationEntry

content/common/frame_messages.h

Index: content/common/frame_messages.h
diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
index 72baac5eb7fd41f06127e1024fef8101a6d4e34d..d157d4d65d5ea47e8ed1a6b572c4eac07cf334e7 100644
--- a/content/common/frame_messages.h
+++ b/content/common/frame_messages.h
@@ -826,11 +826,12 @@ IPC_MESSAGE_ROUTED1(FrameMsg_SelectPopupMenuItem,
 // Tells the renderer that a navigation is ready to commit.  The renderer should
 // request |stream_url| to get access to the stream containing the body of the
 // response.
-IPC_MESSAGE_ROUTED4(FrameMsg_CommitNavigation,
-                    content::ResourceResponseHead,   /* response */
-                    GURL,                            /* stream_url */
-                    content::CommonNavigationParams, /* common_params */
-                    content::RequestNavigationParams /* request_params */)
+IPC_MESSAGE_ROUTED5(FrameMsg_CommitNavigation,
+                    content::ResourceResponseHead,    /* response */
+                    GURL,                             /* stream_url */
+                    content::CommonNavigationParams,  /* common_params */
+                    content::RequestNavigationParams, /* request_params */
+                    scoped_refptr<content::ResourceRequestBody> /* post_data */)
 
 // PlzNavigate
 // Tells the renderer that a navigation failed with the error code |error_code|
@@ -937,8 +938,9 @@ IPC_MESSAGE_ROUTED1(FrameHostMsg_DidFailProvisionalLoadWithError,
 // Notifies the browser that a frame in the view has changed. This message
 // has a lot of parameters and is packed/unpacked by functions defined in
 // render_messages.h.
-IPC_MESSAGE_ROUTED1(FrameHostMsg_DidCommitProvisionalLoad,
-                    FrameHostMsg_DidCommitProvisionalLoad_Params)
+IPC_MESSAGE_ROUTED2(FrameHostMsg_DidCommitProvisionalLoad,
+                    FrameHostMsg_DidCommitProvisionalLoad_Params,
+                    scoped_refptr<content::ResourceRequestBody>)
 
 // Notifies the browser that a document has been loaded.
 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidFinishDocumentLoad)