Enabling WebRTCDeviceProvider under enable-devtools-experiments flag

chrome/browser/devtools/device/webrtc/webrtc_device_provider.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_DEVTOOLS_DEVICE_WEBRTC_WEBRTC_DEVICE_PROVIDER_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVICE_WEBRTC_WEBRTC_DEVICE_PROVIDER_H_
 
 #include "chrome/browser/devtools/device/android_device_manager.h"
 #include "content/public/browser/web_ui_controller.h"
 
 namespace content {
-class BrowserContext;
 class WebUI;
 }
 
+class OAuth2TokenService;
+class Profile;
+class ProfileIdentityProvider;
+
 // Provides access to remote DevTools targets over WebRTC data channel and GCD.
 class WebRTCDeviceProvider final : public AndroidDeviceManager::DeviceProvider {
  public:
   /**
    * Provides resources for provider's background worker. Background worker
    * is a windowless page that implements most of functionality of the
    * provider. It sandboxes WebRTC connections with remote devices and other
    * provider implementation details.
    */
   class WebUI : public content::WebUIController {
    public:
     explicit WebUI(content::WebUI* web_ui);
     ~WebUI() override;
   };
 
-  explicit WebRTCDeviceProvider(content::BrowserContext* context);
+  WebRTCDeviceProvider(Profile* profile,
+                       ProfileIdentityProvider* identity_provider);
 
   // AndroidDeviceManager::DeviceProvider implementation.
   void QueryDevices(const SerialsCallback& callback) override;
 
   void QueryDeviceInfo(const std::string& serial,
                        const DeviceInfoCallback& callback) override;
 
   void OpenSocket(const std::string& serial,
                   const std::string& socket_name,
                   const SocketCallback& callback) override;
 
  private:
+  class DevToolsBridgeClient;
+  class MessageHandler;
+
   ~WebRTCDeviceProvider() override;
 
-  scoped_ptr<content::WebContents> background_worker_;
+  const base::WeakPtr<DevToolsBridgeClient> client_;
 
   DISALLOW_COPY_AND_ASSIGN(WebRTCDeviceProvider);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVICE_WEBRTC_WEBRTC_DEVICE_PROVIDER_H_