fix Android test expectations for fast/iamges/png-suite/test.html

TBR=jsbell@chromium.org
BUG=303648

Review URL: https://codereview.chromium.org/35763005

git-svn-id: svn://svn.chromium.org/blink/trunk@160251 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Mark media/track/track-cues-{cuechange,enter-exit}.html as Slow.

TBR=jsbell@chromium.org
BUG=24182

Review URL: https://codereview.chromium.org/35613004

git-svn-id: svn://svn.chromium.org/blink/trunk@160252 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Layout Test video-poster-cross-origin-crash.html is flaky on Mac 10.6

Unreviewed gardening.

BUG=310292
TBR=dpranke@chromium.org

Review URL: https://codereview.chromium.org/32193005

git-svn-id: svn://svn.chromium.org/blink/trunk@160253 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Widen crash expectaion for webmidi tests to include other tests

The webmidi tests have gone from 2/4 being flaky/crashy to 4/4
being crashy, although there may be a new cause.

TBR=dpranke@chromium.org
BUG=282079

Review URL: https://codereview.chromium.org/34413005

git-svn-id: svn://svn.chromium.org/blink/trunk@160254 bbb929c8-8fbe-4397-9dbb-9b2b20218538