Implement default css for toolstrips.

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 203 matching lines @@
   // /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 */)
 
+  // Request for the renderer to evaluate an xpath to a frame and insert css
+  // into that frame's document. See ViewMsg_ScriptEvalRequest for details on
+  // allowed xpath expressions.
+  IPC_MESSAGE_ROUTED2(ViewMsg_CSSInsertRequest,
+                      std::wstring,  /* frame_xpath */
+                      std::string  /* css string */)
+
   // 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)
 
   // Shutdown the V8 debugger in the renderer.
@@ skipping 991 matching lines @@
 
   // Wraps an IPC message that's destined to the worker on the renderer->browser
   // hop.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
                        IPC::Message /* message */)
 
   // Notification when new feeds have been discovered on the page.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFeedList,
                       ViewHostMsg_UpdateFeedList_Params)
 IPC_END_MESSAGES(ViewHost)