Get rid of view_messages.h includes in chrome\renderer.

content/test/mock_render_thread.cc

 // Copyright (c) 2011 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/test/mock_render_thread.h"
 
 #include "base/process_util.h"
 #include "content/common/view_messages.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/ipc_sync_message.h"
@@ skipping 49 matching lines @@
                                 IPC::Channel::Listener* listener) {
   EXPECT_EQ(routing_id_, routing_id);
   widget_ = listener;
 }
 
 void MockRenderThread::RemoveRoute(int32 routing_id) {
   EXPECT_EQ(routing_id_, routing_id);
   widget_ = NULL;
 }
 
+int MockRenderThread::GenerateRoutingID() {
+  NOTREACHED();
+  return MSG_ROUTING_NONE;
+}
+
 void MockRenderThread::AddFilter(IPC::ChannelProxy::MessageFilter* filter) {
   filter->OnFilterAdded(&sink());
 }
 
 void MockRenderThread::RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) {
   filter->OnFilterRemoved();
 }
 
 void MockRenderThread::SetOutgoingMessageFilter(
     IPC::ChannelProxy::OutgoingMessageFilter* filter) {
@@ skipping 95 matching lines @@
 void MockRenderThread::OnDuplicateSection(
     base::SharedMemoryHandle renderer_handle,
     base::SharedMemoryHandle* browser_handle) {
   // We don't have to duplicate the input handles since RenderViewTest does not
   // separate a browser process from a renderer process.
   *browser_handle = renderer_handle;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace content