storage: Use stl utilities from the base namespace

storage/browser/fileapi/file_system_context.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 "storage/browser/fileapi/file_system_context.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 165 matching lines @@
        iter != additional_backends_.end(); ++iter) {
     RegisterBackend(*iter);
   }
 
   // If the embedder's additional backends already provide support for
   // kFileSystemTypeNativeLocal and kFileSystemTypeNativeForPlatformApp then
   // IsolatedFileSystemBackend does not need to handle them. For example, on
   // Chrome OS the additional backend chromeos::FileSystemBackend handles these
   // types.
   isolated_backend_.reset(new IsolatedFileSystemBackend(
-      !ContainsKey(backend_map_, kFileSystemTypeNativeLocal),
-      !ContainsKey(backend_map_, kFileSystemTypeNativeForPlatformApp)));
+      !base::ContainsKey(backend_map_, kFileSystemTypeNativeLocal),
+      !base::ContainsKey(backend_map_, kFileSystemTypeNativeForPlatformApp)));
   RegisterBackend(isolated_backend_.get());
 
   if (quota_manager_proxy) {
     // Quota client assumes all backends have registered.
     quota_manager_proxy->RegisterClient(CreateQuotaClient(
             this, options.is_incognito()));
   }
 
   sandbox_backend_->Initialize(this);
   isolated_backend_->Initialize(this);
@@ skipping 435 matching lines @@
 
   // TODO(mtomasz): Not all fields should be required for ResolveURL.
   operation_runner()->GetMetadata(
       url, FileSystemOperation::GET_METADATA_FIELD_IS_DIRECTORY |
                FileSystemOperation::GET_METADATA_FIELD_SIZE |
                FileSystemOperation::GET_METADATA_FIELD_LAST_MODIFIED,
       base::Bind(&DidGetMetadataForResolveURL, path, callback, info));
 }
 
 }  // namespace storage