drive: Drop "Drive" from FakeDriveFileSystem and MockDriveFileSystem

chrome/browser/chromeos/drive/drive_system_service_unittest.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 "chrome/browser/chromeos/drive/drive_system_service.h"
 
 #include "base/message_loop.h"
-#include "chrome/browser/chromeos/drive/mock_drive_file_system.h"
+#include "chrome/browser/chromeos/drive/mock_file_system.h"
 #include "chrome/browser/chromeos/drive/test_util.h"
 #include "chrome/browser/google_apis/dummy_drive_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace drive {
 
 class DriveSystemServiceTest : public testing::Test {
  public:
   DriveSystemServiceTest() :
       ui_thread_(content::BrowserThread::UI, &message_loop_),
       file_system_(NULL),
       system_service_(NULL) {}
 
   virtual void SetUp() OVERRIDE {
     profile_.reset(new TestingProfile);
-    file_system_ = new MockDriveFileSystem;
+    file_system_ = new MockFileSystem;
     system_service_ = new DriveSystemService(profile_.get(),
                                              new google_apis::DummyDriveService,
                                              base::FilePath(),
                                              file_system_);
   }
 
   virtual void TearDown() OVERRIDE {
     delete system_service_;
     file_system_ = NULL;
     google_apis::test_util::RunBlockingPoolTask();
     profile_.reset();
   }
 
  protected:
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
 
   scoped_ptr<TestingProfile> profile_;
 
-  MockDriveFileSystem* file_system_;
+  MockFileSystem* file_system_;
   DriveSystemService* system_service_;
 };
 
 TEST_F(DriveSystemServiceTest, InitializeAndShutdown) {
   system_service_->Initialize();
   google_apis::test_util::RunBlockingPoolTask();
   system_service_->Shutdown();
 }
 
 }  // namespace drive