Revert of Re-attempt rebaseline of one test to debug rebaseline scrip…

…t. (patchset chromium#1 id:1 of https://codereview.chromium.org/1535983003/ )

Reason for revert:
Thanks for trying Walter, but we are still seeing issues per issue 570401 worst luck.  Backing this out for now.

Original issue's description:
> Re-attempt rebaseline of one test to debug rebaseline script.
>
> TBR=noel
> BUG=569919,570401
>
> Committed: https://chromium.googlesource.com/chromium/src/+/f8246c1a4a26e396fe1fb2305b95169343cbfe96

TBR=wkorman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=569919,570401

Review URL: https://codereview.chromium.org/1540193002

Cr-Commit-Position: refs/heads/master@{#366315}

third_party/WebKit/LayoutTests/TestExpectations

@@ -1292,6 +1292,6 @@ crbug.com/569919 compositing/color-matching/image-color-matching.html [ Failure
 crbug.com/569919 fast/canvas/canvas-toBlob-jpeg-maximum-quality.html [ Failure ]
 crbug.com/569919 fast/canvas/canvas-toBlob-jpeg-medium-quality.html [ Failure ]
 crbug.com/569919 fast/canvas/canvas-toBlob-webp-maximum-quality.html [ Failure ]
-crbug.com/569919 fast/canvas/canvas-toDataURL-jpeg-maximum-quality.html [ NeedsRebaseline ]
+crbug.com/569919 fast/canvas/canvas-toDataURL-jpeg-maximum-quality.html [ Failure ]
 
 crbug.com/570899 [ Mac10.6 ] virtual/rootlayerscrolls/fast/scrolling/background-paint-scrolled.html [ Failure ]