Remove drive::FileSystemInterface::Initialize().

chrome/browser/chromeos/drive/fake_file_system.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/chromeos/drive/fake_file_system.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/resource_entry_conversion.h"
 #include "chrome/browser/drive/drive_service_interface.h"
 #include "chrome/browser/google_apis/drive_api_parser.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
 #include "content/public/browser/browser_thread.h"
+#include "testing/gtest/include/gtest/gtest.h"
 
 namespace drive {
 namespace test_util {
 
 using content::BrowserThread;
 
 FakeFileSystem::FakeFileSystem(DriveServiceInterface* drive_service)
     : drive_service_(drive_service),
       weak_ptr_factory_(this) {
+  CHECK(cache_dir_.CreateUniqueTempDir());
 }
 
 FakeFileSystem::~FakeFileSystem() {
 }
 
-bool FakeFileSystem::InitializeForTesting() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  return cache_dir_.CreateUniqueTempDir();
-}
-
-void FakeFileSystem::Initialize() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  InitializeForTesting();
-}
-
 void FakeFileSystem::AddObserver(FileSystemObserver* observer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 void FakeFileSystem::RemoveObserver(FileSystemObserver* observer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 void FakeFileSystem::CheckForUpdates() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 330 matching lines @@
       callback.Run(FILE_ERROR_OK, entry.Pass());
       return;
     }
   }
 
   callback.Run(FILE_ERROR_NOT_FOUND, scoped_ptr<ResourceEntry>());
 }
 
 }  // namespace test_util
 }  // namespace drive