Revert of Handle media access permission request

android_webview/native/permission/permission_request_handler.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 ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_H
-#define ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_H
-
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "url/gurl.h"
-
-namespace android_webview {
-
-class AwPermissionRequest;
-class AwPermissionRequestDelegate;
-class PermissionRequestHandlerClient;
-
-// This class is used to send the permission requests, or cancel ongoing
-// requests.
-// It is owned by AwContents and has 1x1 mapping to AwContents. All methods
-// are running on UI thread.
-class PermissionRequestHandler {
- public:
-  PermissionRequestHandler(PermissionRequestHandlerClient* aw_contents);
-  virtual ~PermissionRequestHandler();
-
-  // Send the given |request| to PermissionRequestHandlerClient.
-  void SendRequest(scoped_ptr<AwPermissionRequestDelegate> request);
-
-  // Cancel the ongoing request initiated by |origin| for accessing |resources|.
-  void CancelRequest(const GURL& origin, int64 resources);
-
- private:
-  friend class TestPermissionRequestHandler;
-
-  typedef std::vector<base::WeakPtr<AwPermissionRequest> >::iterator
-      RequestIterator;
-
-  // Return the request initiated by |origin| for accessing |resources|.
-  RequestIterator FindRequest(const GURL& origin, int64 resources);
-
-  // Cancel the given request.
-  void CancelRequest(RequestIterator i);
-
-  // Remove the invalid requests from requests_.
-  void PruneRequests();
-
-  PermissionRequestHandlerClient* client_;
-
-  // A list of ongoing requests.
-  std::vector<base::WeakPtr<AwPermissionRequest> > requests_;
-
-  DISALLOW_COPY_AND_ASSIGN(PermissionRequestHandler);
-};
-
-}  // namespace android_webivew
-
-#endif  // ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_H