GitLab

In the original CL, PlatformVideoFramePool class doesn't initialize the value of
some data members. This CL fixed this issue.

Original change's description:
> DmabufVideoFramePool is used to allocate and recycle DMA-buf backed
> VideoFrames. It is used by hardware accelerated video decoder. Besides
> allocating and recycling VideoFrame, it also provide these functions:
>
> - Limit the number of buffers to prevent client from draining the
> memory.
> - Query the original frame by the wrapped frame.
>
> BUG=941330
> TEST=media_unittests
>
> Change-Id: I368d620fa0c8fb2b1a03c3479c08bad54acd55da
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1527911
> Commit-Queue: Chih-Yu Huang <akahuang@chromium.org>
> Auto-Submit: Chih-Yu Huang <akahuang@chromium.org>
> Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
> Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
> Reviewed-by: David Staessens <dstaessens@chromium.org>
> Reviewed-by: Dan Sanders <sandersd@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#664664}

BUG=941330
TEST=Run "media_unittests --gtest_filter=PlatformVideoFramePool*" with gn args "is_msan = true"

Change-Id: I51bfaf571c39ac53d2a2a9884e94f171373aa5f8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1635126Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Commit-Queue: Chih-Yu Huang <akahuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#665085}