DevTools: provide an option to return traces as streams

content/browser/devtools/render_frame_devtools_agent_host.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 "content/browser/devtools/render_frame_devtools_agent_host.h"
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/devtools_frame_trace_recorder.h"
 #include "content/browser/devtools/devtools_protocol_handler.h"
 #include "content/browser/devtools/protocol/dom_handler.h"
 #include "content/browser/devtools/protocol/emulation_handler.h"
 #include "content/browser/devtools/protocol/input_handler.h"
 #include "content/browser/devtools/protocol/inspector_handler.h"
+#include "content/browser/devtools/protocol/io_handler.h"
 #include "content/browser/devtools/protocol/network_handler.h"
 #include "content/browser/devtools/protocol/page_handler.h"
 #include "content/browser/devtools/protocol/power_handler.h"
 #include "content/browser/devtools/protocol/security_handler.h"
 #include "content/browser/devtools/protocol/service_worker_handler.h"
 #include "content/browser/devtools/protocol/tracing_handler.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
@@ skipping 259 matching lines @@
     DCHECK(agent_host->current_ && agent_host->current_->host() == current);
     agent_host->DiscardPending();
   }
 }
 
 RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(
     RenderFrameHostImpl* host)
     : dom_handler_(new devtools::dom::DOMHandler()),
       input_handler_(new devtools::input::InputHandler()),
       inspector_handler_(new devtools::inspector::InspectorHandler()),
+      io_handler_(new devtools::io::IOHandler(GetIOContext())),
       network_handler_(new devtools::network::NetworkHandler()),
       page_handler_(nullptr),
       power_handler_(new devtools::power::PowerHandler()),
       security_handler_(nullptr),
       service_worker_handler_(
           new devtools::service_worker::ServiceWorkerHandler()),
       tracing_handler_(new devtools::tracing::TracingHandler(
-          devtools::tracing::TracingHandler::Renderer)),
+          devtools::tracing::TracingHandler::Renderer,
+          GetIOContext())),
       emulation_handler_(nullptr),
       frame_trace_recorder_(nullptr),
       protocol_handler_(new DevToolsProtocolHandler(
           this,
           base::Bind(&RenderFrameDevToolsAgentHost::SendMessageToClient,
                      base::Unretained(this)))),
       current_frame_crashed_(false) {
   DevToolsProtocolDispatcher* dispatcher = protocol_handler_->dispatcher();
   dispatcher->SetDOMHandler(dom_handler_.get());
   dispatcher->SetInputHandler(input_handler_.get());
@@ skipping 402 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content