Revert "Revert of Replace StreamListenSocket with StreamSocket in HttpServer. (patchset #29 of http…

chrome/browser/devtools/device/android_web_socket.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 "base/message_loop/message_loop.h"
 #include "base/rand_util.h"
 #include "chrome/browser/devtools/device/android_device_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
@@ skipping 126 matching lines @@
     scoped_refptr<net::IOBuffer> response_buffer, int result) {
   DCHECK_EQ(device_message_loop_, base::MessageLoopProxy::current());
   if (!socket_)
     return;
 
   if (result <= 0) {
     DisconnectOnHandlerThread(true);
     return;
   }
 
-  std::string data = std::string(response_buffer->data(), result);
-  response_buffer_ += data;
+  response_buffer_.append(response_buffer->data(), result);
 
   int bytes_consumed;
   std::string output;
   WebSocket::ParseResult parse_result = WebSocket::DecodeFrameHybi17(
       response_buffer_, false, &bytes_consumed, &output);
 
   while (parse_result == WebSocket::FRAME_OK) {
     response_buffer_ = response_buffer_.substr(bytes_consumed);
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
         base::Bind(&WebSocketImpl::OnFrameRead, this, output));
@@ skipping 64 matching lines @@
 
 }  // namespace
 
 scoped_refptr<AndroidDeviceManager::AndroidWebSocket>
 AndroidDeviceManager::Device::CreateWebSocket(
     const std::string& socket,
     const std::string& url,
     AndroidDeviceManager::AndroidWebSocket::Delegate* delegate) {
   return new WebSocketImpl(device_message_loop_, this, socket, url, delegate);
 }