GitLab

Added MediaCodecVideoDecoder::destructor.
Added MediaCodecVideoDecoder::Destroy.
Added MediaCodecVideoDecoder::StartLazyInit.
Added MediaCodecVideoDecoder::OnSurfaceChosen.
Added MediaCodecVideoDecoder::OnSurfaceDestroyed.
Added MediaCodecVideoDecoder::StartDrainingCodec.
Added MediaCodecVideoDecoder::OnCodecDrained.

Also added an async event from when a frame is dequeued from the
codec, and when the resulting video frame is back on the mojo thread.

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: I580b91d5fefb14002730e0e899a8f44f0a0950bd
Reviewed-on: https://chromium-review.googlesource.com/c/1281906
Commit-Queue: Frank Liberato <liberato@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600822}