Prepending view-source: does not load the source of the userscript.

content/common/view_messages.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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 569 matching lines @@
   IPC_STRUCT_MEMBER(int, pending_history_list_offset)
 
   // Informs the RenderView of where its current page contents reside in
   // session history and the total size of the session history list.
   IPC_STRUCT_MEMBER(int, current_history_list_offset)
   IPC_STRUCT_MEMBER(int, current_history_list_length)
 
   // The URL to load.
   IPC_STRUCT_MEMBER(GURL, url)
 
+  // The virtual URL associated with the URL to load. Can be empty if there is
+  // no virtual URL.
+  IPC_STRUCT_MEMBER(GURL, virtual_url)
+
   // The URL to send in the "Referer" header field. Can be empty if there is
   // no referrer.
   IPC_STRUCT_MEMBER(content::Referrer, referrer)
 
   // The type of transition.
   IPC_STRUCT_MEMBER(content::PageTransition, transition)
 
   // Opaque history state (received by ViewHostMsg_UpdateState).
   IPC_STRUCT_MEMBER(std::string, state)
 
@@ skipping 1388 matching lines @@
 // have a javascript send a native value (string, number, boolean) to the
 // listener in Cpp. (DomAutomationController)
 IPC_MESSAGE_ROUTED2(ViewHostMsg_DomOperationResponse,
                     std::string  /* json_string */,
                     int  /* automation_id */)
 
 // Enable or disable inverting of web content pixels, for users who prefer
 // white-on-black.
 IPC_MESSAGE_ROUTED1(ViewMsg_InvertWebContent,
                     bool /* invert */)