Remove grammar checking from layout tests, and MockGrammarCheck

third_party/WebKit/LayoutTests/TestExpectations

 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
 # failure. Expected outputs will be adjusted for the better once Oilpan
 # has been well and truly enabled always.
 
 crbug.com/420008 inspector/tracing/worker-js-frames.html [ Pass Timeout Failure ]
 crbug.com/420008 virtual/threaded/inspector/tracing/worker-js-frames.html [ Pass Timeout Failure ]
 crbug.com/596940 inspector-protocol/runtime/runtime-execution-contexts-events.html [ Pass Timeout ]
 crbug.com/597572 [ Debug ] http/tests/inspector/resource-tree/resource-tree-reload.html [ Pass Failure ]
 
@@ skipping 1321 matching lines @@
 # crbug.com/624709 [ Win ] virtual/gpu-rasterization/fast/images/png-with-color-profile.html [ Failure ]
 crbug.com/624709 [ Win ] virtual/gpu-rasterization/fast/images/webp-color-profile-lossy.html [ Failure ]
 
 crbug.com/620432 accessibility/aria-activedescendant.html [ Failure ]
 
 crbug.com/593567 [ Linux Debug ] virtual/scalefactor150/fast/hidpi/static/calendar-picker-appearance.html [ Skip ]
 crbug.com/593567 [ Linux Debug ] virtual/scalefactor150/fast/hidpi/static/data-suggestion-picker-appearance.html [ Skip ]
 
 crbug.com/627782 [ Win ] svg/filters/filter-source-position.svg [ Pass Failure ]
 
+# TODO(xiaochengh): Remove the grammar markers from the pixel result.
 crbug.com/627798 editing/spelling/inline-spelling-markers-hidpi-composited.html [ Pass Failure ]
 crbug.com/627798 fast/repaint/line-flow-with-floats-9.html [ Pass Failure ]
 crbug.com/627798 fast/repaint/nested-fixed-iframe-scrolled.html [ Pass Failure ]
 crbug.com/627798 fast/repaint/repaint-during-scroll-with-zoom.html [ Pass Failure ]
 crbug.com/627798 fast/repaint/resize-scrollable-iframe.html [ Pass Failure ]
 crbug.com/627798 fast/repaint/text-match-document-change.html [ Pass Failure ]
 
 # Very slight rendering changes caused by Skia rect clipping change.
 crbug.com/627844 virtual/gpu/fast/canvas/canvas-createImageBitmap-colorClamping.html [ Pass Failure ]
 
 crbug.com/629711 [ Linux Debug ] fast/workers/shared-worker-exception.html [ Crash Pass ]
 crbug.com/629711 [ Linux Debug ] virtual/sharedarraybuffer/fast/workers/shared-worker-exception.html [ Crash Pass ]
 
 crbug.com/630967 [ Linux Debug ] svg/parser/whitespace-length-invalid-1.html [ Skip ]
 crbug.com/630967 [ Linux Debug ] svg/parser/whitespace-length-invalid-2.html [ Skip ]
 crbug.com/630967 [ Linux Debug ] svg/parser/whitespace-angle.html [ Skip ]
 
 crbug.com/630615 [ Win7 ] fast/images/color-profile-background-image-space.html [ Skip ]
 crbug.com/399507 [ Mac10.9 Mac10.10 Linux ] virtual/threaded/inspector/tracing/timeline-paint/layer-tree.html [ Skip ]
 
 crbug.com/631039 [ Win7 ] virtual/threaded/fast/scroll-behavior/subframe-scrollBy.html [ Pass Failure ]
 crbug.com/631039 [ Win7 ] virtual/threaded/fast/scroll-behavior/main-frame-element-scroll.html [ Pass Failure ]
 crbug.com/631039 [ Win7 ] virtual/threaded/fast/scroll-behavior/main-frame-element-scrollBy.html [ Pass Failure ]
 crbug.com/631039 [ Win7 ] virtual/threaded/fast/scroll-behavior/main-frame-element-scrollTo.html [ Pass Failure ]
 crbug.com/631039 [ Win7 ] virtual/threaded/fast/scroll-behavior/main-frame-scroll.html [ Pass Failure ]
 crbug.com/631039 [ Win7 ] virtual/threaded/fast/scroll-behavior/overflow-scroll-scroll.html [ Pass Failure ]
 
 crbug.com/630996 [ Win7 Win10 Linux ] http/tests/fetch/referrer/serviceworker-echo-referrer-from-default-document.html [ Skip ]
+
+# TODO(xiaochengh): Remove the grammar markers from the pixel result so that these tests can pass.
+crbug.com/619452 editing/spelling/inline_spelling_markers.html [ Failure ]

[yosin_UTC9, 2016/07/28 01:44:41]

Can we use |NeedsRebaseline| to update pixel reference files?

[Xiaocheng, 2016/07/28 02:22:10]

Didn't know about that. Done.

+crbug.com/619452 editing/spelling/inline-spelling-markers-hidpi.html [ Failure ]