Clear RenderThread of any Chrome specific code, and move a bunch of stuff out of RenderView.

content/renderer/cookie_message_filter.cc

Index: content/renderer/cookie_message_filter.cc
===================================================================
--- content/renderer/cookie_message_filter.cc	(revision 81801)
+++ content/renderer/cookie_message_filter.cc	(working copy)
@@ -1,19 +0,0 @@
-// Copyright (c) 2010 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.
-
-#include "content/renderer/cookie_message_filter.h"
-
-#include "chrome/common/render_messages.h"
-
-CookieMessageFilter::CookieMessageFilter()
-    : event_(true, false) {
-}
-
-bool CookieMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  if (message.type() == ViewMsg_SignalCookiePromptEvent::ID) {
-    event_.Signal();
-    return true;
-  }
-  return false;
-}