Revert of Rendering text to a canvas in a frame-less document. (patchset #4...

Revert of Rendering text to a canvas in a frame-less document. (patchset #4 id:100001 of https://codereview.chromium.org/2336693002/ )

Reason for revert:
Causes some crashes on Canary.

https://bugs.chromium.org/p/chromium/issues/detail?id=650264#c1

Original issue's description:
> Rendering text to a canvas in a frame-less document.
>
> Committed: https://crrev.com/93dd565e17f9ad8e630bfb668e5c83536af50a0f
> Cr-Commit-Position: refs/heads/master@{#418400}

TBR=esprehn@chromium.org,junov@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.

BUG=650264,350091

Review-Url: https://codereview.chromium.org/2370283002
Cr-Commit-Position: refs/heads/master@{#421236}