Remove ScopedVector from ContentBrowserClient.

chrome/browser/sync_file_system/local/sync_file_system_backend.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
 
 #include <string>
 #include <utility>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/sync_file_system/local/local_file_change_tracker.h"
 #include "chrome/browser/sync_file_system/local/local_file_sync_context.h"
 #include "chrome/browser/sync_file_system/local/syncable_file_system_operation.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
 #include "chrome/browser/sync_file_system/syncable_file_system_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "storage/browser/fileapi/file_stream_reader.h"
@@ skipping 59 matching lines @@
         FROM_HERE, change_tracker_.release());
   }
 
   if (profile_holder_ && !CalledOnUIThread()) {
     BrowserThread::DeleteSoon(
         BrowserThread::UI, FROM_HERE, profile_holder_.release());
   }
 }
 
 // static
-SyncFileSystemBackend* SyncFileSystemBackend::CreateForTesting() {
+std::unique_ptr<SyncFileSystemBackend>
+SyncFileSystemBackend::CreateForTesting() {
   DCHECK(CalledOnUIThread());
-  SyncFileSystemBackend* backend = new SyncFileSystemBackend(nullptr);
+  auto backend = base::MakeUnique<SyncFileSystemBackend>(nullptr);
   backend->skip_initialize_syncfs_service_for_testing_ = true;
   return backend;
 }
 
 bool SyncFileSystemBackend::CanHandleType(storage::FileSystemType type) const {
   return type == storage::kFileSystemTypeSyncable ||
          type == storage::kFileSystemTypeSyncableForInternalSync;
 }
 
 void SyncFileSystemBackend::Initialize(storage::FileSystemContext* context) {
@@ skipping 208 matching lines @@
                  SyncStatusCodeToFileError(status));
     return;
   }
 
   callback.Run(GetSyncableFileSystemRootURI(origin_url),
                GetFileSystemName(origin_url, type),
                base::File::FILE_OK);
 }
 
 }  // namespace sync_file_system