Revert of https://codereview.chromium.org/105773003/
Reason for revert: This patch made DeferredImageDecoderTest.drawDiscardableIntoSkPicture consistently fail on bot: WebKit Android (Nexus4)

TBR=senorblanco@chromium.org,jamesr@chromium.org,hclam@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/105003005

git-svn-id: svn://svn.chromium.org/blink/trunk@163776 bbb929c8-8fbe-4397-9dbb-9b2b20218538