Limit the size of images rendered for shape-outside

Ignore attemps to create shape-outside image shapes when the size of the rendered image in bytes is greater than 2^32. On platforms with lower limits for maxDecodedImageSize() we use the lower platform limit.

BUG=389729

Review URL: https://codereview.chromium.org/385713002

git-svn-id: svn://svn.chromium.org/blink/trunk@177892 bbb929c8-8fbe-4397-9dbb-9b2b20218538