aura: Clean up compositor initialization/destruction.

components/test/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/memory/scoped_ptr.h"
 #include "base/test/test_suite.h"
 #include "content/public/test/test_content_client_initializer.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "ui/compositor/compositor_setup.h"
 
 namespace components {
 
 class ComponentsUnitTestEventListener : public testing::EmptyTestEventListener {
  public:
   ComponentsUnitTestEventListener() {}
   virtual ~ComponentsUnitTestEventListener() {}
 
   virtual void OnTestStart(const testing::TestInfo& test_info) OVERRIDE {
     content_initializer_.reset(new content::TestContentClientInitializer());
   }
 
   virtual void OnTestEnd(const testing::TestInfo& test_info) OVERRIDE {
     content_initializer_.reset();
   }
 
  private:
   scoped_ptr<content::TestContentClientInitializer> content_initializer_;
 
   DISALLOW_COPY_AND_ASSIGN(ComponentsUnitTestEventListener);
 };
 
 }  // namespace components
 
 int main(int argc, char** argv) {
   base::TestSuite test_suite(argc, argv);
 
-  // Mock out the compositor on platforms that use it.
-  ui::SetupTestCompositor();
-
   // The listener will set up common test environment for all components unit
   // tests.
   testing::TestEventListeners& listeners =
       testing::UnitTest::GetInstance()->listeners();
   listeners.Append(new components::ComponentsUnitTestEventListener());
 
   return test_suite.Run();
 }