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Images are expensive to draw, especially when they need to be
scaled. This skips draw operations with images completely to
ensure that drawing using the PaintSimplifier has a predictable
cost.

BUG=

Review URL: https://codereview.chromium.org/310643004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274642 0039d316-1c4b-4281-b951-d872f2087c98