cc: Unify namespaces for all test files

cc/test/cc_test_suite.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 "cc/test/cc_test_suite.h"
 
 #include "base/message_loop.h"
 #include "cc/test/paths.h"
 
 namespace cc {
-namespace test {
 
 CCTestSuite::CCTestSuite(int argc, char** argv)
     : base::TestSuite(argc, argv) {}
 
 CCTestSuite::~CCTestSuite() {}
 
 void CCTestSuite::Initialize() {
   base::TestSuite::Initialize();
   RegisterPathProvider();
   message_loop_.reset(new MessageLoop);
 }
 
 void CCTestSuite::Shutdown() {
   message_loop_.reset();
 
   base::TestSuite::Shutdown();
 }
 
-}  // namespace test
 }  // namespace cc