147193 2015-07-22 09:53:16 -0700 Implement an internal API to paint DOM elements onto a canvas for testing 2015-07-22 10:24:54 -0700 1 1 1 Unclassified WebKit Tools / Tests 528+ (Nightly build) Unspecified Unspecified NEW P2 Normal --- 1 wenson_hsieh webkit-unassigned ap simon.fraser thorton zalan oldest_to_newest 1111323 0 wenson_hsieh 2015-07-22 09:53:16 -0700 While working on https://bugs.webkit.org/show_bug.cgi?id=147192, I realized that there's no easy way to test the fact that search fields should be empty (no placeholder text) by default besides using pixel tests, which are not particularly useful. This could be addressed via an internal API that renders DOM elements or part of the DOM onto a canvas element in the DOM, so that we can run tests regarding the look of elements in Javascript, without using pixel tests.