Add commands to manage tabs and contexts to Browser Domain

chrome/browser/devtools/chrome_devtools_manager_delegate.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 "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/devtools/devtools_network_protocol_handler.h"
+#include "components/devtools_discovery/devtools_discovery_manager.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/devtools_agent_host.h"
 #endif  // !defined(OS_ANDROID)
 
+using devtools_discovery::DevToolsDiscoveryManager;
+
 ChromeDevToolsManagerDelegate::ChromeDevToolsManagerDelegate()
     : network_protocol_handler_(new DevToolsNetworkProtocolHandler()) {
 }
 
 ChromeDevToolsManagerDelegate::~ChromeDevToolsManagerDelegate() {
 }
 
 void ChromeDevToolsManagerDelegate::Inspect(
     content::BrowserContext* browser_context,
     content::DevToolsAgentHost* agent_host) {
@@ skipping 11 matching lines @@
     content::WebContents* web_contents = agent_host->GetWebContents();
     DCHECK(web_contents);
     DevToolsWindow::OpenDevToolsWindow(web_contents);
   }
 #endif  // !defined(OS_ANDROID)
 }
 
 base::DictionaryValue* ChromeDevToolsManagerDelegate::HandleCommand(
     content::DevToolsAgentHost* agent_host,
     base::DictionaryValue* command_dict) {
+  std::unique_ptr<base::DictionaryValue> result =
+      DevToolsDiscoveryManager::GetInstance()->HandleNewTargetCommand(
+          command_dict);
+  if (result)
+    return result.release();  // Caller takes ownership.
   return network_protocol_handler_->HandleCommand(agent_host, command_dict);
 }
 
 void ChromeDevToolsManagerDelegate::DevToolsAgentStateChanged(
     content::DevToolsAgentHost* agent_host,
     bool attached) {
   network_protocol_handler_->DevToolsAgentStateChanged(agent_host, attached);
 }