Crash in WindowCapturerWin

webrtc/modules/desktop_capture/window_capturer_win.cc

 /*
  *  Copyright (c) 2013 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 234 matching lines @@
   SelectObject(mem_dc, previous_object);
   DeleteDC(mem_dc);
   ReleaseDC(window_, window_dc);
 
   previous_size_ = frame->size();
   window_size_map_[window_] = previous_size_;
 
   frame->mutable_updated_region()->SetRect(
       DesktopRect::MakeSize(frame->size()));
 
-  if (!result) {
+  if (result) {
+    callback_->OnCaptureResult(Result::SUCCESS, std::move(frame));
+  } else {
     LOG(LS_ERROR) << "Both PrintWindow() and BitBlt() failed.";
-    frame.reset();
+    callback_->OnCaptureResult(Result::ERROR_TEMPORARY, nullptr);
   }
-
-  callback_->OnCaptureResult(Result::SUCCESS, std::move(frame));
 }
 
 }  // namespace
 
 // static
 std::unique_ptr<DesktopCapturer> DesktopCapturer::CreateRawWindowCapturer(
     const DesktopCaptureOptions& options) {
   return std::unique_ptr<DesktopCapturer>(new WindowCapturerWin());
 }
 
 }  // namespace webrtc