Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/cloud_policy_controller_unittest.cc

 // Copyright (c) 2011 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 "chrome/browser/policy/cloud_policy_controller.h"
 
 #include "base/message_loop.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/scoped_temp_dir.h"
 #include "chrome/browser/policy/cloud_policy_data_store.h"
 #include "chrome/browser/policy/device_token_fetcher.h"
 #include "chrome/browser/policy/logging_work_scheduler.h"
 #include "chrome/browser/policy/mock_device_management_backend.h"
 #include "chrome/browser/policy/mock_device_management_service.h"
 #include "chrome/browser/policy/policy_notifier.h"
 #include "chrome/browser/policy/user_policy_cache.h"
 #include "content/browser/browser_thread.h"
 #include "policy/policy_constants.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 
 using ::testing::AnyNumber;
-using ::testing::AtLeast;
 using ::testing::InSequence;
-using ::testing::Mock;
-using ::testing::Return;
 using ::testing::_;
 
 class MockDeviceTokenFetcher : public DeviceTokenFetcher {
  public:
   explicit MockDeviceTokenFetcher(CloudPolicyCacheBase* cache)
       : DeviceTokenFetcher(NULL, cache, NULL, NULL) {}
   virtual ~MockDeviceTokenFetcher() {}
 
   MOCK_METHOD0(FetchToken, void());
   MOCK_METHOD0(SetUnmanagedState, void());
@@ skipping 194 matching lines @@
 TEST_F(CloudPolicyControllerTest, InvalidSerialNumber) {
   data_store_->SetupForTesting("device_token", "device_id",
                                "who@what.com", "auth", true);
   EXPECT_CALL(backend_, ProcessPolicyRequest(_, _, _, _, _)).WillOnce(
       MockDeviceManagementBackendFailPolicy(
           DeviceManagementBackend::kErrorServiceInvalidSerialNumber));
   EXPECT_CALL(*token_fetcher_.get(), SetSerialNumberInvalidState()).Times(1);
   CreateNewController();
   loop_.RunAllPending();
 }
+
 }  // namespace policy