Forward capturer_id between DesktopFrame and its implementations

webrtc/modules/desktop_capture/desktop_frame.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 58 matching lines @@
 
 DesktopFrame* BasicDesktopFrame::CopyOf(const DesktopFrame& frame) {
   DesktopFrame* result = new BasicDesktopFrame(frame.size());
   for (int y = 0; y < frame.size().height(); ++y) {
     memcpy(result->data() + y * result->stride(),
            frame.data() + y * frame.stride(),
            frame.size().width() * kBytesPerPixel);
   }
   result->set_dpi(frame.dpi());
   result->set_capture_time_ms(frame.capture_time_ms());
+  result->set_capturer_id(frame.capturer_id());
   *result->mutable_updated_region() = frame.updated_region();
   return result;
 }
 
 // static
 std::unique_ptr<DesktopFrame> SharedMemoryDesktopFrame::Create(
     DesktopSize size,
     SharedMemoryFactory* shared_memory_factory) {
   size_t buffer_size = size.height() * size.width() * kBytesPerPixel;
   std::unique_ptr<SharedMemory> shared_memory =
@@ skipping 20 matching lines @@
     : DesktopFrame(size,
                    stride,
                    reinterpret_cast<uint8_t*>(shared_memory->data()),
                    shared_memory) {}
 
 SharedMemoryDesktopFrame::~SharedMemoryDesktopFrame() {
   delete shared_memory_;
 }
 
 }  // namespace webrtc