Remove using namespace in net/quic/quic_stream_sequencer.h

content/browser/indexed_db/indexed_db_backing_store.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 "content/browser/indexed_db/indexed_db_backing_store.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/format_macros.h"
 #include "base/json/json_reader.h"
@@ skipping 25 matching lines @@
 #include "storage/browser/fileapi/file_stream_writer.h"
 #include "storage/browser/fileapi/file_writer_delegate.h"
 #include "storage/browser/fileapi/local_file_stream_writer.h"
 #include "storage/common/database/database_identifier.h"
 #include "third_party/WebKit/public/platform/WebIDBTypes.h"
 #include "third_party/WebKit/public/web/WebSerializedScriptValueVersion.h"
 #include "third_party/leveldatabase/env_chromium.h"
 
 using base::FilePath;
 using base::StringPiece;
+using std::string;
 using storage::FileWriterDelegate;
 
 namespace content {
 
 namespace {
 
 FilePath GetBlobDirectoryName(const FilePath& pathBase, int64 database_id) {
   return pathBase.AppendASCII(base::StringPrintf("%" PRIx64, database_id));
 }
 
@@ skipping 4232 matching lines @@
     int64_t size,
     base::Time last_modified)
     : is_file_(true),
       file_path_(file_path),
       key_(key),
       size_(size),
       last_modified_(last_modified) {
 }
 
 }  // namespace content