drive: Remove FakeCacheMetadata

chrome/browser/chromeos/drive/file_system_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_system.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 82 matching lines @@
 
     cache_.reset(new internal::FileCache(util::GetCacheRootPath(profile_.get()),
                                          blocking_task_runner_,
                                          fake_free_disk_space_getter_.get()));
 
     mock_cache_observer_.reset(new StrictMock<MockCacheObserver>);
     cache_->AddObserver(mock_cache_observer_.get());
 
     mock_directory_observer_.reset(new StrictMock<MockDirectoryChangeObserver>);
 
-    cache_->RequestInitializeForTesting();
+    bool success = false;
+    cache_->RequestInitialize(
+        google_apis::test_util::CreateCopyResultCallback(&success));
     google_apis::test_util::RunBlockingPoolTask();
+    ASSERT_TRUE(success);
 
     SetUpResourceMetadataAndFileSystem();
   }
 
   void SetUpResourceMetadataAndFileSystem() {
     resource_metadata_.reset(new internal::ResourceMetadata(
         cache_->GetCacheDirectoryPath(internal::FileCache::CACHE_TYPE_META),
         blocking_task_runner_));
 
     file_system_.reset(new FileSystem(profile_.get(),
@@ skipping 748 matching lines @@
       entry->resource_id(),
       entry->file_specific_info().file_md5(),
       google_apis::test_util::CreateCopyResultCallback(&success, &cache_entry));
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_TRUE(success);
   EXPECT_FALSE(cache_entry.is_mounted());
 }
 
 }   // namespace drive