drive: Drop "Drive" from FakeDriveFileSystem and MockDriveFileSystem

chrome/browser/chromeos/drive/file_write_helper_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/file_write_helper.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/threading/thread_restrictions.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 "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::StrictMock;
 using ::testing::_;
 
 namespace drive {
@@ skipping 23 matching lines @@
   *error = error_arg;
   *path = path_arg;
 }
 
 }  // namespace
 
 class FileWriteHelperTest : public testing::Test {
  public:
   FileWriteHelperTest()
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
-        mock_file_system_(new StrictMock<MockDriveFileSystem>) {
+        mock_file_system_(new StrictMock<MockFileSystem>) {
   }
 
  protected:
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
-  scoped_ptr< StrictMock<MockDriveFileSystem> > mock_file_system_;
+  scoped_ptr< StrictMock<MockFileSystem> > mock_file_system_;
 };
 
 TEST_F(FileWriteHelperTest, PrepareFileForWritingSuccess) {
   const base::FilePath kDrivePath(FILE_PATH_LITERAL("/drive/file.txt"));
   const base::FilePath kLocalPath(FILE_PATH_LITERAL("/tmp/dummy.txt"));
 
   EXPECT_CALL(*mock_file_system_, CreateFile(kDrivePath, false, _))
       .WillOnce(MockCreateFile(FILE_ERROR_OK));
   EXPECT_CALL(*mock_file_system_, OpenFile(kDrivePath, _))
       .WillOnce(MockOpenFile(FILE_ERROR_OK, kLocalPath));
@@ skipping 44 matching lines @@
   base::FilePath path;
   file_write_helper.PrepareWritableFileAndRun(
       kDrivePath, base::Bind(&RecordOpenFileCallbackArguments, &error, &path));
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(FILE_ERROR_IN_USE, error);
   EXPECT_EQ(base::FilePath(), path);
 }
 
 }   // namespace drive