Fix http://crbug.com/741252

webrtc/modules/desktop_capture/win/dxgi_duplicator_controller.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.
  */
 
@@ skipping 84 matching lines @@
   // Returns dpi of current system. Returns an empty DesktopVector if system
   // does not support DXGI based capturer.
   DesktopVector dpi();
 
   // Returns the count of screens on the system. These screens can be retrieved
   // by an integer in the range of [0, ScreenCount()). If system does not
   // support DXGI based capturer, this function returns 0.
   int ScreenCount();
 
  private:
-  // DxgiFrameContext calls private Unregister(Context*) function during
-  // destructing.
-  friend DxgiFrameContext::~DxgiFrameContext();
+  // DxgiFrameContext calls private Unregister(Context*) function in Reset().
+  friend void DxgiFrameContext::Reset();
 
   // scoped_refptr<DxgiDuplicatorController> accesses private AddRef() and
   // Release() functions.
   friend class rtc::scoped_refptr<DxgiDuplicatorController>;
 
   // A private constructor to ensure consumers to use
   // DxgiDuplicatorController::Instance().
   DxgiDuplicatorController();
 
   // Not implemented: The singleton DxgiDuplicatorController instance should not
@@ skipping 96 matching lines @@
   std::vector<DxgiAdapterDuplicator> duplicators_;
   D3dInfo d3d_info_;
   ResolutionChangeDetector resolution_change_detector_;
   // A number to indicate how many succeeded duplications have been performed.
   uint32_t succeeded_duplications_ = 0;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_DUPLICATOR_CONTROLLER_H_