suppress a valgrind error found in layout tests: media/video-seek-past-end-paused.html and media/video-controls-transformed.html
suppress a valgrind error found in layout tests:
media/video-seek-past-end-paused.html and
media/video-controls-transformed.html

BUG=32366
TEST=none
TBR=ericu

Review URL: http://codereview.chromium.org/551044

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@36344 0039d316-1c4b-4281-b951-d872f2087c98

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