[DevTools] Implement Target.setDiscoverTargets method.

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 "base/guid.h"
 #include "content/browser/devtools/devtools_protocol_handler.h"
 #include "content/browser/devtools/protocol/io_handler.h"
@@ skipping 25 matching lines @@
           devtools::tracing::TracingHandler::Browser,
           FrameTreeNode::kFrameTreeNodeInvalidId,
           GetIOContext())),
       protocol_handler_(new DevToolsProtocolHandler(this)) {
   DevToolsProtocolDispatcher* dispatcher = protocol_handler_->dispatcher();
   dispatcher->SetIOHandler(io_handler_.get());
   dispatcher->SetMemoryHandler(memory_handler_.get());
   dispatcher->SetSystemInfoHandler(system_info_handler_.get());
   dispatcher->SetTetheringHandler(tethering_handler_.get());
   dispatcher->SetTracingHandler(tracing_handler_.get());
+  NotifyCreated();
 }
 
 BrowserDevToolsAgentHost::~BrowserDevToolsAgentHost() {
 }
 
 void BrowserDevToolsAgentHost::Attach() {
 }
 
 void BrowserDevToolsAgentHost::Detach() {
 }
@@ skipping 21 matching lines @@
 void BrowserDevToolsAgentHost::Reload() {
 }
 
 bool BrowserDevToolsAgentHost::DispatchProtocolMessage(
     const std::string& message) {
   protocol_handler_->HandleMessage(session_id(), message);
   return true;
 }
 
 }  // content