Verify returned frames from media::VideoFrame::Wrap*() methods

media/video/gpu_memory_buffer_video_frame_pool.cc

Index: media/video/gpu_memory_buffer_video_frame_pool.cc
diff --git a/media/video/gpu_memory_buffer_video_frame_pool.cc b/media/video/gpu_memory_buffer_video_frame_pool.cc
index dcb9e5aa7df55826a8d2317e2087be3f0eae4a96..04d0ec4ec58fa108a9db396e6ad3071e2a1be8e8 100644
--- a/media/video/gpu_memory_buffer_video_frame_pool.cc
+++ b/media/video/gpu_memory_buffer_video_frame_pool.cc
@@ -598,7 +598,8 @@ void GpuMemoryBufferVideoFramePool::PoolImpl::
           mailbox_holders[VideoFrame::kVPlane], release_mailbox_callback,
           coded_size, gfx::Rect(visible_size), video_frame->natural_size(),
           video_frame->timestamp());
-      if (video_frame->metadata()->IsTrue(VideoFrameMetadata::ALLOW_OVERLAY))
+      if (frame &&
+          video_frame->metadata()->IsTrue(VideoFrameMetadata::ALLOW_OVERLAY))
         frame->metadata()->SetBoolean(VideoFrameMetadata::ALLOW_OVERLAY, true);
       break;
     case PIXEL_FORMAT_NV12:
@@ -607,12 +608,19 @@ void GpuMemoryBufferVideoFramePool::PoolImpl::
           output_format_, mailbox_holders[VideoFrame::kYPlane],
           release_mailbox_callback, coded_size, gfx::Rect(visible_size),
           video_frame->natural_size(), video_frame->timestamp());
-      frame->metadata()->SetBoolean(VideoFrameMetadata::ALLOW_OVERLAY, true);
+      if (frame)
+        frame->metadata()->SetBoolean(VideoFrameMetadata::ALLOW_OVERLAY, true);
       break;
     default:
       NOTREACHED();
   }
 
+  if (!frame) {
+    release_mailbox_callback.Run(gpu::SyncToken());
+    frame_ready_cb.Run(video_frame);
+    return;
+  }
+
   base::TimeTicks render_time;
   if (video_frame->metadata()->GetTimeTicks(VideoFrameMetadata::REFERENCE_TIME,
                                             &render_time)) {