Rename GDataFileSystem* to DriveFileSystem*

chrome/browser/chromeos/extensions/external_filesystem_apitest.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 "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop_proxy.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/threading/worker_pool.h"
 #include "base/values.h"
-#include "chrome/browser/chromeos/gdata/gdata_file_system.h"
+#include "chrome/browser/chromeos/gdata/drive_file_system.h"
 #include "chrome/browser/chromeos/gdata/gdata_system_service.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "chrome/browser/chromeos/gdata/gdata_wapi_parser.h"
 #include "chrome/browser/chromeos/gdata/mock_drive_service.h"
 #include "chrome/browser/chromeos/gdata/operation_registry.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 55 matching lines @@
   void WaitUntilClosed() {
     page_closed_.Wait();
   }
 
  private:
   content::WindowedNotificationObserver page_created_;
   content::WindowedNotificationObserver page_closed_;
 };
 
 // TODO(tbarzic): We should probably share GetTestFilePath and LoadJSONFile
-// with gdata_file_system_unittest.
+// with drive_file_system_unittest.
 // Generates file path in gdata test directory for a file with name |filename|.
 FilePath GetTestFilePath(const FilePath::StringType& filename) {
   FilePath path;
   std::string error;
   PathService::Get(chrome::DIR_TEST_DATA, &path);
    path = path.AppendASCII("chromeos")
        .AppendASCII("gdata")
        .AppendASCII(filename);
   EXPECT_TRUE(file_util::PathExists(path)) <<
       "Couldn't find " << path.value();
@@ skipping 253 matching lines @@
                            _, _))
       .WillOnce(MockDownloadFileCallback(gdata::HTTP_SUCCESS));
 
   // On exit, all operations in progress should be cancelled.
   EXPECT_CALL(*mock_drive_service_, CancelAll());
 
   // All is set... RUN THE TEST.
   EXPECT_TRUE(RunExtensionSubtest("filebrowser_component", "remote_search.html",
       kComponentFlags)) << message_;
 }