MSE: Begin FrameProcessorTest'ing both old and new buffering APIs

Previously, FrameProcessorTest had a boolean test parameter indicating
whether or not to test using sequence append mode. This change adds a
second dimension to the test parameter, which parameterizes the tests
further by which version of the buffering API is being tested. The test
ctor forces on/off the media::kMseBufferByPts feature accordingly.

It no longer uses test ctor initializer to construct the FrameProcessor,
since that must happen after adjusting enable/disable of the
kMseBufferByPts feature later in the ctor.

This change also captures the sequence mode boolean test parameter as a
protected member, including related test cleanup to use that member
instead of a local boolean or local GetParam() check.

Three previous TEST_F (that did not need an append mode variation) are
now TEST_P using the new FrameProcessorTestParams instantiations to keep
this change simpler.

BUG=718641

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
Change-Id: I9210900a29382bded23e3701b39af733864fceb2
Reviewed-on: https://chromium-review.googlesource.com/663765
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Commit-Queue: Matthew Wolenetz <wolenetz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#501483}
1 file changed