Allow putting NV12 software GMBs into overlays on windows

media/video/gpu_memory_buffer_video_frame_pool.cc

 // Copyright 2015 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/video/gpu_memory_buffer_video_frame_pool.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 661 matching lines @@
   bool allow_overlay = false;
   switch (output_format_) {
     case GpuVideoAcceleratorFactories::OutputFormat::I420:
       allow_overlay =
           video_frame->metadata()->IsTrue(VideoFrameMetadata::ALLOW_OVERLAY);
       break;
     case GpuVideoAcceleratorFactories::OutputFormat::NV12_SINGLE_GMB:
     case GpuVideoAcceleratorFactories::OutputFormat::UYVY:
       allow_overlay = true;
       break;
+    case GpuVideoAcceleratorFactories::OutputFormat::NV12_DUAL_GMB:
+#if defined(OS_WIN)
+      allow_overlay = true;
+#endif
+      break;
     default:
       break;
   }
   frame->metadata()->SetBoolean(VideoFrameMetadata::ALLOW_OVERLAY,
                                 allow_overlay);
 
   base::TimeTicks render_time;
   if (video_frame->metadata()->GetTimeTicks(VideoFrameMetadata::REFERENCE_TIME,
                                             &render_time)) {
     frame->metadata()->SetTimeTicks(VideoFrameMetadata::REFERENCE_TIME,
@@ skipping 134 matching lines @@
 }
 
 void GpuMemoryBufferVideoFramePool::MaybeCreateHardwareFrame(
     const scoped_refptr<VideoFrame>& video_frame,
     const FrameReadyCB& frame_ready_cb) {
   DCHECK(video_frame);
   pool_impl_->CreateHardwareFrame(video_frame, frame_ready_cb);
 }
 
 }  // namespace media