Fixing deferred canvas bug caused by SkTwoPointConicalGradient declaring itself as opaque.

BUG=https://code.google.com/p/chromium/issues/detail?id=222140
TEST=DeferredCanvas unit test + DRT with --enable-deferred-2d-canvas

Author: junov@chromium.org

Reviewed By: bsalomon@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12879005

git-svn-id: http://skia.googlecode.com/svn/trunk@8247 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed