Update scaling of video layers on every swap.

Update scaling of video layers on every swap.

The scale factor can change even if the image itself doesn't change,
so the variables need to be updated before that early-out.

BUG=654631
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2888783002
Cr-Original-Commit-Position: refs/heads/master@{#473380}
Review-Url: https://codereview.chromium.org/2900893002 .
Cr-Commit-Position: refs/branch-heads/3071@{#663}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/454af80c0bde0e78ad0e7f4bd89bd966d1a1189e

[jbauman, 2017-05-22 22:28:07]

Description was changed from

==========
Update scaling of video layers on every swap.

The scale factor can change even if the image itself doesn't change,
so the variables need to be updated before that early-out.

BUG=654631
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2888783002
Cr-Commit-Position: refs/heads/master@{#473380}
(cherry picked from commit 027183a19bdc7fc48d75dd046e9c8ab8be1700d5)
==========

to

==========
Update scaling of video layers on every swap.

The scale factor can change even if the image itself doesn't change,
so the variables need to be updated before that early-out.

BUG=654631
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2888783002
Cr-Original-Commit-Position: refs/heads/master@{#473380}
Review-Url: https://codereview.chromium.org/2900893002 .
Cr-Commit-Position: refs/branch-heads/3071@{#663}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/454af80c0bde0e78ad0e7f4bd89b...
==========

[jbauman, 2017-05-22 22:28:08]

Committed patchset #1 (id:1) manually as
454af80c0bde0e78ad0e7f4bd89bd966d1a1189e.