[DevTools] Migrate android to devtools_discovery.

chrome/browser/android/dev_tools_manager_delegate_android.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_DEV_TOOLS_MANAGER_DELEGATE_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_DEV_TOOLS_MANAGER_DELEGATE_ANDROID_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/devtools/devtools_network_protocol_handler.h"
 #include "content/public/browser/devtools_manager_delegate.h"
 
+// TODO(dgozman): remove this class once transition to devtools_discovery is
+// completed.
 class DevToolsManagerDelegateAndroid : public content::DevToolsManagerDelegate {
  public:
   DevToolsManagerDelegateAndroid();
   ~DevToolsManagerDelegateAndroid() override;
 
   // content::DevToolsManagerDelegate implementation.
   void Inspect(content::BrowserContext* browser_context,
                content::DevToolsAgentHost* agent_host) override;
   void DevToolsAgentStateChanged(content::DevToolsAgentHost* agent_host,
                                  bool attached) override;
   base::DictionaryValue* HandleCommand(
       content::DevToolsAgentHost* agent_host,
       base::DictionaryValue* command_dict) override;
   scoped_ptr<content::DevToolsTarget> CreateNewTarget(const GURL& url) override;
   void EnumerateTargets(TargetCallback callback) override;
   std::string GetPageThumbnailData(const GURL& url) override;
 
  private:
   scoped_ptr<DevToolsNetworkProtocolHandler> network_protocol_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsManagerDelegateAndroid);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_DEV_TOOLS_MANAGER_DELEGATE_ANDROID_H_