Greasemonkey support.

chrome/common/render_messages_internal.h

 // Copyright (c) 2006-2008 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <string>
 #include <vector>
@@ skipping 187 matching lines @@
   //
   // Example: /html/body/iframe/\n/html/body/div/iframe/\n/frameset/frame[0]
   // can be broken into 3 xpaths
   // /html/body/iframe evaluates to an iframe within the root frame
   // /html/body/div/iframe evaluates to an iframe within the level-1 iframe
   // /frameset/frame[0] evaluates to first frame within the level-2 iframe
   //
   // jscript_url is the string containing the javascript: url to be executed
   // in the target frame's context. The string should start with "javascript:"
   // and continue with a valid JS text.
-  IPC_MESSAGE_ROUTED2(ViewMsg_ScriptEvalRequest,
-                      std::wstring,  /* frame_xpath */
-                      std::wstring  /* jscript_url */)
+  IPC_MESSAGE_ROUTED3(ViewMsg_ScriptEvalRequest,
+                      std::wstring, /* frame_xpath */
+                      std::wstring, /* jscript_url */
+                      std::wstring  /* script filename (for error messages) */)
 
   // Log a message to the console of the target frame
   IPC_MESSAGE_ROUTED3(ViewMsg_AddMessageToConsole,
                       std::wstring, /* frame_xpath */
                       std::wstring, /* msg */
                       ConsoleMessageLevel /* level */)
 
   // Initialize the V8 debugger in the renderer.
   IPC_MESSAGE_ROUTED0(ViewMsg_DebugAttach)
 
@@ skipping 826 matching lines @@
   // beforeunload or unload handler.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_UnloadListenerChanged,
                       bool /* has_listener */)
 
   // Returns the window location of the window this widget is embeded in.
   IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetRootWindowRect,
                              HWND /* window */,
                              gfx::Rect /* Out: Window location */)
 
 IPC_END_MESSAGES(ViewHost)