drive: Add DownloadOperationTest

chrome/browser/chromeos/drive/file_system/operation_test_base.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OPERATION_TEST_BASE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OPERATION_TEST_BASE_H_
 
 #include <set>
 
 #include "base/files/scoped_temp_dir.h"
@@ skipping 68 matching lines @@
   // Accessors for the components.
   google_apis::FakeDriveService* fake_service() {
     return fake_drive_service_.get();
   }
   LoggingObserver* observer() { return &observer_; }
   JobScheduler* scheduler() { return scheduler_.get(); }
   base::SequencedTaskRunner* blocking_task_runner() {
     return blocking_task_runner_;
   }
   internal::ResourceMetadata* metadata() { return metadata_.get(); }
+  FakeFreeDiskSpaceGetter* fake_free_disk_space_getter() {
+    return fake_free_disk_space_getter_.get();
+  }
   internal::FileCache* cache() { return cache_.get(); }
 
  private:
   base::MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   scoped_ptr<TestingProfile> profile_;
   base::ScopedTempDir temp_dir_;
 
   LoggingObserver observer_;
   scoped_ptr<google_apis::FakeDriveService> fake_drive_service_;
   scoped_ptr<JobScheduler> scheduler_;
   scoped_ptr<internal::ResourceMetadata, test_util::DestroyHelperForTests>
       metadata_;
   scoped_ptr<FakeFreeDiskSpaceGetter> fake_free_disk_space_getter_;
   scoped_ptr<internal::FileCache, test_util::DestroyHelperForTests> cache_;
 };
 
 }  // namespace file_system
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OPERATION_TEST_BASE_H_