[DesktopCapture] Detect screen resolution changes in DirectX capturer

webrtc/modules/desktop_capture/win/dxgi_output_duplicator.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 67 matching lines @@
 
 DxgiOutputDuplicator::~DxgiOutputDuplicator() {
   if (duplication_) {
     duplication_->ReleaseFrame();
   }
   texture_.reset();
 }
 
 bool DxgiOutputDuplicator::Initialize() {
   if (DuplicateOutput()) {
-    DesktopSize unrotated_size =
-        RotateSize(desktop_rect().size(), ReverseRotation(rotation_));
     if (desc_.DesktopImageInSystemMemory) {
-      texture_.reset(
-          new DxgiTextureMapping(unrotated_size, duplication_.Get()));
+      texture_.reset(new DxgiTextureMapping(duplication_.Get()));
     } else {
-      texture_.reset(new DxgiTextureStaging(unrotated_size, device_));
+      texture_.reset(new DxgiTextureStaging(device_));
     }
     return true;
   } else {
     duplication_.Reset();
     return false;
   }
 }
 
 bool DxgiOutputDuplicator::DuplicateOutput() {
   RTC_DCHECK(!duplication_);
@@ skipping 230 matching lines @@
 void DxgiOutputDuplicator::SpreadContextChange(const Context* const source) {
   for (Context* dest : contexts_) {
     RTC_DCHECK(dest);
     if (dest != source) {
       dest->updated_region.AddRegion(source->updated_region);
     }
   }
 }
 
 }  // namespace webrtc