aura: Clean up compositor initialization/destruction.

ui/keyboard/keyboard_test_suite.cc

 // Copyright 2013 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 "ui/compositor/compositor_setup.h"
 #include "ui/test/test_suite.h"
 
 class KeyboardTestSuite : public ui::test::UITestSuite {
  public:
   KeyboardTestSuite(int argc, char** argv)
       : ui::test::UITestSuite(argc, argv) {
   }
 
  protected:
   virtual void Initialize() OVERRIDE;
   virtual void Shutdown() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(KeyboardTestSuite);
 };
 
 void KeyboardTestSuite::Initialize() {
   ui::test::UITestSuite::Initialize();
-
-  ui::SetupTestCompositor();
 }
 
 void KeyboardTestSuite::Shutdown() {
   ui::test::UITestSuite::Shutdown();
 }
 
 int main(int argc, char** argv) {
   return KeyboardTestSuite(argc, argv).Run();
 }