[DevTools] Support multiple sessions in content/ domain handlers

content/browser/devtools/devtools_session.cc

 // Copyright 2016 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/devtools_session.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
-#include "content/browser/devtools/devtools_agent_host_impl.h"
 #include "content/browser/devtools/devtools_manager.h"
 #include "content/browser/devtools/protocol/protocol.h"
 #include "content/public/browser/devtools_manager_delegate.h"
 
 namespace content {
 
 DevToolsSession::DevToolsSession(DevToolsAgentHostImpl* agent_host,
                                  DevToolsAgentHostClient* client,
                                  int session_id)
     : agent_host_(agent_host),
@@ skipping 69 matching lines @@
 }
 
 void DevToolsSession::sendProtocolNotification(
     std::unique_ptr<protocol::Serializable> message) {
   agent_host_->SendMessageToClient(session_id_, message->serialize());
 }
 
 void DevToolsSession::flushProtocolNotifications() {
 }
 
-protocol::DevToolsDomainHandler* DevToolsSession::GetHandlerByName(
-    const std::string& name) {
-  auto it = handlers_.find(name);
-  if (it == handlers_.end())
-    return nullptr;
-  return it->second.get();
-}
-
 }  // namespace content