DevTools: return discovered targets asynchronously.

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 "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/devtools/devtools_network_protocol_handler.h"
 #include "chrome/browser/devtools/devtools_window.h"
@@ skipping 12 matching lines @@
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/process_manager.h"
 #include "ui/base/resource/resource_bundle.h"
 
 char ChromeDevToolsManagerDelegate::kTypeApp[] = "app";
 char ChromeDevToolsManagerDelegate::kTypeBackgroundPage[] = "background_page";
 char ChromeDevToolsManagerDelegate::kTypeWebView[] = "webview";
 
 ChromeDevToolsManagerDelegate::ChromeDevToolsManagerDelegate()
     : network_protocol_handler_(new DevToolsNetworkProtocolHandler()) {
-  content::DevToolsAgentHost::AddDiscoveryProvider(
-      base::Bind(&content::DevToolsAgentHost::GetOrCreateAll));
 }
 
 ChromeDevToolsManagerDelegate::~ChromeDevToolsManagerDelegate() {
 }
 
 void ChromeDevToolsManagerDelegate::Inspect(
     content::DevToolsAgentHost* agent_host) {
   Profile* profile =
       Profile::FromBrowserContext(agent_host->GetBrowserContext());
   if (!profile)
@@ skipping 101 matching lines @@
 std::string ChromeDevToolsManagerDelegate::GetFrontendResource(
     const std::string& path) {
   return content::DevToolsFrontendHost::GetFrontendResource(path).as_string();
 }
 
 void ChromeDevToolsManagerDelegate::DevToolsAgentStateChanged(
     content::DevToolsAgentHost* agent_host,
     bool attached) {
   network_protocol_handler_->DevToolsAgentStateChanged(agent_host, attached);
 }