Cleanup: move WebRTC related files from chrome/browser/media to chrome/browser/media/webrtc/

chrome/browser/media/desktop_capture_access_handler.h

-// Copyright 2015 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_MEDIA_DESKTOP_CAPTURE_ACCESS_HANDLER_H_
-#define CHROME_BROWSER_MEDIA_DESKTOP_CAPTURE_ACCESS_HANDLER_H_
-
-#include <list>
-
-#include "chrome/browser/media/capture_access_handler_base.h"
-#include "chrome/browser/media/media_access_handler.h"
-
-// MediaAccessHandler for DesktopCapture API.
-class DesktopCaptureAccessHandler : public CaptureAccessHandlerBase {
- public:
-  DesktopCaptureAccessHandler();
-  ~DesktopCaptureAccessHandler() override;
-
-  // MediaAccessHandler implementation.
-  bool SupportsStreamType(const content::MediaStreamType type,
-                          const extensions::Extension* extension) override;
-  bool CheckMediaAccessPermission(
-      content::WebContents* web_contents,
-      const GURL& security_origin,
-      content::MediaStreamType type,
-      const extensions::Extension* extension) override;
-  void HandleRequest(content::WebContents* web_contents,
-                     const content::MediaStreamRequest& request,
-                     const content::MediaResponseCallback& callback,
-                     const extensions::Extension* extension) override;
-
- private:
-  void ProcessScreenCaptureAccessRequest(
-      content::WebContents* web_contents,
-      const content::MediaStreamRequest& request,
-      const content::MediaResponseCallback& callback,
-      const extensions::Extension* extension);
-
-};
-
-#endif  // CHROME_BROWSER_MEDIA_DESKTOP_CAPTURE_ACCESS_HANDLER_H_