De-client tracing.TraceController interface

shell/context.cc

 // Copyright 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 "shell/context.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 164 matching lines @@
 
   if (command_line->HasSwitch(switches::kSpy)) {
     spy_.reset(
         new mojo::Spy(&application_manager_,
                       command_line->GetSwitchValueASCII(switches::kSpy)));
     // TODO(cpu): the spy can snoop, but can't tell anybody until
     // the Spy::WebSocketDelegate is implemented. In the original repo this
     // was implemented by src\mojo\spy\websocket_server.h and .cc.
   }
 
-  tracing::TraceDataCollectorPtr trace_data_collector_ptr;
-  application_manager_.ConnectToService(GURL("mojo:tracing"),
-                                        &trace_data_collector_ptr);
-  TracingImpl::Create(trace_data_collector_ptr.Pass());
-
   if (listener_)
     listener_->WaitForListening();
 
   return true;
 }
 
 void Context::OnApplicationError(const GURL& url) {
   if (app_urls_.find(url) != app_urls_.end()) {
     app_urls_.erase(url);
     if (app_urls_.empty() && base::MessageLoop::current()->is_running())
@@ skipping 17 matching lines @@
 ScopedMessagePipeHandle Context::ConnectToServiceByName(
     const GURL& application_url,
     const std::string& service_name) {
   app_urls_.insert(application_url);
   return application_manager_.ConnectToServiceByName(application_url,
                                                      service_name).Pass();
 }
 
 }  // namespace shell
 }  // namespace mojo