Use RotateDesktopFrame in DirectX capturer

webrtc/modules/desktop_capture/desktop_frame_rotation.h

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_FRAME_ROTATION_H_
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_FRAME_ROTATION_H_
 
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
 
 namespace webrtc {
 
 // Represents the rotation of a DesktopFrame.
 enum class Rotation {
   CLOCK_WISE_0,
   CLOCK_WISE_90,
   CLOCK_WISE_180,
   CLOCK_WISE_270,
 };
 
 // Rotates input DesktopFrame |source|, copies pixel in an unrotated rectangle
-// |source_rect| into the target rectangle of another DesktopFrame |target|, and
-// adds target rectangle into |target|->mutable_updated_region().
+// |source_rect| into the target rectangle of another DesktopFrame |target|.
 // Target rectangle here is the rotated |source_rect| plus |target_offset|.
 // |rotation| specifies |source| to |target| rotation. |source_rect| is in
 // |source| coordinate. |target_offset| is in |target| coordinate.
 // This function triggers check failure if |source| does not cover the
 // |source_rect|, or |target| does not cover the rotated |rect|.
 void RotateDesktopFrame(const DesktopFrame& source,
                         const DesktopRect& source_rect,
                         const Rotation& rotation,
                         const DesktopVector& target_offset,
                         DesktopFrame* target);
 
 // Returns a reverse rotation of |rotation|.
 Rotation ReverseRotation(Rotation rotation);
 
 // Returns a rotated DesktopSize of |size|.
 DesktopSize RotateSize(DesktopSize size, Rotation rotation);
 
 // Returns a rotated DesktopRect of |rect|. The |size| represents the size of
 // the DesktopFrame which |rect| belongs in.
 DesktopRect RotateRect(DesktopRect rect, DesktopSize size, Rotation rotation);
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_FRAME_ROTATION_H_