Remove using namespace in net/quic/quic_stream_sequencer.h

content/browser/tracing/trace_uploader.cc

 // Copyright 2014 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/tracing/trace_uploader.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/memory/shared_memory.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/mime_util.h"
 #include "net/base/network_delegate.h"
 #include "net/proxy/proxy_config.h"
 #include "net/proxy/proxy_config_service.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "third_party/zlib/zlib.h"
 #include "url/gurl.h"
 
+using std::string;
+
 namespace content {
 namespace {
 const char kUploadContentType[] = "multipart/form-data";
 const char kMultipartBoundary[] =
     "----**--yradnuoBgoLtrapitluMklaTelgooG--**----";
 
 const int kHttpResponseOk = 200;
 
 }  // namespace
 
@@ skipping 166 matching lines @@
   content_type.append(kMultipartBoundary);
 
   url_fetcher_.reset(
       net::URLFetcher::Create(GURL(upload_url_), net::URLFetcher::POST, this));
   url_fetcher_->SetRequestContext(request_context_);
   url_fetcher_->SetUploadData(content_type, post_data);
   url_fetcher_->Start();
 }
 
 }  // namespace content