DevTools: provide an option to return traces as streams

content/browser/devtools/browser_devtools_agent_host.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/devtools/browser_devtools_agent_host.h"
 
 #include "base/bind.h"
 #include "content/browser/devtools/devtools_protocol_handler.h"
+#include "content/browser/devtools/protocol/io_handler.h"
 #include "content/browser/devtools/protocol/system_info_handler.h"
 #include "content/browser/devtools/protocol/tethering_handler.h"
 #include "content/browser/devtools/protocol/tracing_handler.h"
 
 namespace content {
 
 scoped_refptr<DevToolsAgentHost> DevToolsAgentHost::CreateForBrowser(
     scoped_refptr<base::SingleThreadTaskRunner> tethering_task_runner,
     const CreateServerSocketCallback& socket_callback) {
   return new BrowserDevToolsAgentHost(tethering_task_runner, socket_callback);
 }
 
 BrowserDevToolsAgentHost::BrowserDevToolsAgentHost(
     scoped_refptr<base::SingleThreadTaskRunner> tethering_task_runner,
     const CreateServerSocketCallback& socket_callback)
-    : system_info_handler_(new devtools::system_info::SystemInfoHandler()),
+    : io_handler_(new devtools::io::IOHandler(GetIOContext())),
+      system_info_handler_(new devtools::system_info::SystemInfoHandler()),
       tethering_handler_(
           new devtools::tethering::TetheringHandler(socket_callback,
                                                     tethering_task_runner)),
       tracing_handler_(new devtools::tracing::TracingHandler(
-          devtools::tracing::TracingHandler::Browser)),
+          devtools::tracing::TracingHandler::Browser, GetIOContext())),
       protocol_handler_(new DevToolsProtocolHandler(
           this,
           base::Bind(&BrowserDevToolsAgentHost::SendMessageToClient,
                      base::Unretained(this)))) {
   DevToolsProtocolDispatcher* dispatcher = protocol_handler_->dispatcher();
   dispatcher->SetSystemInfoHandler(system_info_handler_.get());
   dispatcher->SetTetheringHandler(tethering_handler_.get());
   dispatcher->SetTracingHandler(tracing_handler_.get());
 }
 
@@ skipping 26 matching lines @@
   return false;
 }
 
 bool BrowserDevToolsAgentHost::DispatchProtocolMessage(
     const std::string& message) {
   protocol_handler_->HandleMessage(message);
   return true;
 }
 
 }  // content