aura: Clean up compositor initialization/destruction.

ui/views/run_all_unittests.cc

 // Copyright (c) 2012 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/compiler_specific.h"
 #include "base/test/test_suite.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
-#include "ui/compositor/compositor_setup.h"
 #include "ui/views/view.h"
 
 class ViewTestSuite : public base::TestSuite {
  public:
   ViewTestSuite(int argc, char** argv) : base::TestSuite(argc, argv) {}
 
  protected:
   virtual void Initialize() OVERRIDE {
     base::TestSuite::Initialize();
     ui::RegisterPathProvider();
     ui::ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
-
-    ui::SetupTestCompositor();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ViewTestSuite);
 };
 
 int main(int argc, char** argv) {
   return ViewTestSuite(argc, argv).Run();
 }