DevTools: remove DevToolsTargetDescriptor and its implementations, we are now based on devtools age…

chrome/browser/ui/webui/inspect_ui.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_INSPECT_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_INSPECT_UI_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 10 matching lines @@
 class Value;
 class ListValue;
 }
 
 namespace content {
 class DevToolsAgentHost;
 }
 
 class Browser;
 class DevToolsTargetsUIHandler;
-class DevToolsTargetImpl;
 class PortForwardingStatusSerializer;
 
 class InspectUI : public content::WebUIController,
                   public content::NotificationObserver {
  public:
   explicit InspectUI(content::WebUI* web_ui);
   ~InspectUI() override;
 
   void InitUI();
   void Inspect(const std::string& source_id, const std::string& target_id);
@@ skipping 55 matching lines @@
 
   typedef std::map<std::string, DevToolsTargetsUIHandler*> TargetHandlerMap;
   TargetHandlerMap target_handlers_;
 
   std::unique_ptr<PortForwardingStatusSerializer> port_status_serializer_;
 
   DISALLOW_COPY_AND_ASSIGN(InspectUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_INSPECT_UI_H_