[Mojo Video Capture] Split OnIncomingCapturedVideoFrame() to OnNewBuffer() and OnFrameReadyInBuffer(

media/capture/video/fake_video_capture_device.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/capture/video/fake_video_capture_device.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <utility>
 
@@ skipping 562 matching lines @@
   if (client_ == nullptr)
     return;
 
   const int arbitrary_frame_feedback_id = 0;
   auto capture_buffer = client_->ReserveOutputBuffer(
       device_state_->format.frame_size, device_state_->format.pixel_format,
       device_state_->format.pixel_storage, arbitrary_frame_feedback_id);
   DLOG_IF(ERROR, !capture_buffer.is_valid())
       << "Couldn't allocate Capture Buffer";
   auto buffer_access =
-      capture_buffer.handle_provider()->GetHandleForInProcessAccess();
+      capture_buffer.handle_provider->GetHandleForInProcessAccess();
   DCHECK(buffer_access->data()) << "Buffer has NO backing memory";
 
   DCHECK_EQ(PIXEL_STORAGE_CPU, device_state_->format.pixel_storage);
 
   uint8_t* data_ptr = buffer_access->data();
   memset(data_ptr, 0, buffer_access->mapped_size());
   frame_painter_->PaintFrame(timestamp_to_paint, data_ptr);
 
   base::TimeTicks now = base::TimeTicks::Now();
   client_->OnIncomingCapturedBuffer(std::move(capture_buffer),
@@ skipping 36 matching lines @@
     int session_id) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (session_id != current_session_id_)
     return;
 
   frame_deliverer_->PaintAndDeliverNextFrame(elapsed_time_);
   BeepAndScheduleNextCapture(expected_execution_time);
 }
 
 }  // namespace media