cc: Unify namespaces for all test files

cc/test/paths.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/paths.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 
 namespace cc {
-namespace test {
 
 bool PathProvider(int key, FilePath* result) {
   FilePath cur;
   switch (key) {
     // The following are only valid in the development environment, and
     // will fail if executed from an installed executable (because the
     // generated path won't exist).
     case DIR_TEST_DATA:
       if (!PathService::Get(base::DIR_SOURCE_ROOT, &cur))
         return false;
@@ skipping 10 matching lines @@
   *result = cur;
   return true;
 }
 
 // This cannot be done as a static initializer sadly since Visual Studio will
 // eliminate this object file if there is no direct entry point into it.
 void RegisterPathProvider() {
   PathService::RegisterProvider(PathProvider, PATH_START, PATH_END);
 }
 
-}  // namespace test
 }  // namespace cc