Use RotateDesktopFrame in DirectX capturer

webrtc/modules/desktop_capture/desktop_frame_rotation.cc

 /*
  *  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.
  */
 
@@ skipping 90 matching lines @@
   RTC_DCHECK(DesktopRect::MakeSize(source.size()).ContainsRect(source_rect));
   // The rectangle in |target|.
   const DesktopRect target_rect =
       RotateAndOffsetRect(source_rect, source.size(), rotation, target_offset);
   RTC_DCHECK(DesktopRect::MakeSize(target->size()).ContainsRect(target_rect));
 
   if (target_rect.is_empty()) {
     return;
   }
 
-  target->mutable_updated_region()->AddRect(target_rect);
   int result = libyuv::ARGBRotate(
        source.GetFrameDataAtPos(source_rect.top_left()), source.stride(),
        target->GetFrameDataAtPos(target_rect.top_left()), target->stride(),
        source_rect.width(), source_rect.height(),
        ToLibyuvRotationMode(rotation));
   RTC_DCHECK_EQ(result, 0);
 }
 
 }  // namespace webrtc