aura: Clean up compositor initialization/destruction.

ui/message_center/test/run_all_unittests.cc

Index: ui/message_center/test/run_all_unittests.cc
diff --git a/ui/message_center/test/run_all_unittests.cc b/ui/message_center/test/run_all_unittests.cc
index c9c33189c55807b362bbc637cc28ec3f0740e0d1..ff863b6c405f50493ca4df3f4ee01f512f853cbb 100644
--- a/ui/message_center/test/run_all_unittests.cc
+++ b/ui/message_center/test/run_all_unittests.cc
@@ -9,10 +9,6 @@
 #include "ui/test/test_suite.h"
 #include "ui/views/view.h"
 
-#if defined(TOOLKIT_VIEWS)
-#include "ui/compositor/compositor_setup.h"
-#endif
-
 class MessageCenterTestSuite : public ui::test::UITestSuite {
  public:
   MessageCenterTestSuite(int argc, char** argv)
@@ -29,10 +25,6 @@ class MessageCenterTestSuite : public ui::test::UITestSuite {
 
 void MessageCenterTestSuite::Initialize() {
   ui::test::UITestSuite::Initialize();
-
-#if defined(TOOLKIT_VIEWS)
-  ui::SetupTestCompositor();
-#endif
 }
 
 void MessageCenterTestSuite::Shutdown() {