Finish taking out render_messages.h include from other headers.

chrome/browser/renderer_host/render_widget_host_unittest.cc

 // Copyright (c) 2009 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 "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "build/build_config.h"
 #include "chrome/browser/renderer_host/test_render_view_host.h"
+#include "chrome/common/render_messages.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 // RenderWidgetHostProcess -----------------------------------------------------
 
 class RenderWidgetHostProcess : public MockRenderProcessHost {
  public:
   RenderWidgetHostProcess(Profile* profile)
       : MockRenderProcessHost(profile),
@@ skipping 270 matching lines @@
   EXPECT_FALSE(host_->is_hidden_);
 
   // It should have sent out a restored message with a request to paint.
   const IPC::Message* restored = process_->sink().GetUniqueMessageMatching(
       ViewMsg_WasRestored::ID);
   ASSERT_TRUE(restored);
   bool needs_repaint;
   ViewMsg_WasRestored::Read(restored, &needs_repaint);
   EXPECT_TRUE(needs_repaint);
 }