Paint carets at pixel-snapped positions.

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/597572 [ Debug ] http/tests/inspector/resource-tree/resource-tree-reload.html [ Pass Failure ]
 
 crbug.com/569901 crbug.com/24182 [ Debug ] jquery/manipulation.html [ Timeout Pass ]
@@ skipping 394 matching lines @@
 
 crbug.com/636961 [ Linux Debug ] virtual/threaded/fast/scroll-behavior/smooth-scroll/ongoing-smooth-scroll-vertical-rl-anchors.html [ Pass Failure ]
 
 crbug.com/552532 [ Win10 ] fast/replaced/no-focus-ring-embed.html [ Pass Crash ]
 crbug.com/552532 [ Win10 ] fast/replaced/no-focus-ring-object.html [ Pass Crash ]
 crbug.com/552532 [ Win10 ] plugins/focus.html [ Pass Crash ]
 crbug.com/552532 [ Win10 ] plugins/tabindex.html [ Pass Crash ]
 
 crbug.com/602110 hittesting/border-hittest-with-image-fallback.html [ Failure ]
 
+crbug.com/640463 paint/caret/caret-subpixel.html [ NeedsRebaseline ]
+crbug.com/640463 editing/deleting/delete-at-start-or-end.html [ NeedsRebaseline ]
+crbug.com/640463 editing/deleting/delete-image-004.html [ NeedsRebaseline ]
+crbug.com/640463 editing/deleting/transpose-empty.html [ NeedsRebaseline ]
+crbug.com/640463 editing/execCommand/create-list-with-hr.html [ NeedsRebaseline ]
+crbug.com/640463 editing/selection/4975120.html [ NeedsRebaseline ]
+crbug.com/640463 editing/selection/contenteditable-click-inside.html [ NeedsRebaseline ]
+crbug.com/640463 fast/forms/text/input-placeholder-paint-order.html [ NeedsRebaseline ]
+crbug.com/640463 editing/pasteboard/4806874.html [ NeedsRebaseline ]
+crbug.com/640463 editing/pasteboard/pasting-object.html [ NeedsRebaseline ]
+
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-audio-is-silence.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStreamTrack-MediaElement-disabled-video-is-black.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStreamTrack-end.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStreamTrack-init.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStream-audio-only.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStream-finished-add.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStream-idl.https.html [ Skip ]
 crbug.com/387740 imported/wpt/mediacapture-streams/MediaStream-removetrack.https.html [ Skip ]
 
 crbug.com/412381 imported/wpt/mediacapture-streams/GUM-empty-option-param.https.html [ Failure ]
@@ skipping 856 matching lines @@
 crbug.com/638618 inspector/editor/text-editor-search-switch-editor.html [ Skip ]
 
 # This test breaks when the feature introduced in the bug is enabled. We keep
 # this tested without the feature by using the virtual test. See
 # virtual/stable/http/tests/navigation/beacon-cross-origin-redirect-blob-expected.txt
 crbug.com/490015 http/tests/navigation/beacon-cross-origin-redirect-blob.html [ Skip ]
 # This test doesn't need to be run with the stable release mode.
 crbug.com/490015 virtual/stable/http/tests/navigation/beacon-blob-with-non-simple-type.html [ Skip ]
 # This test fails with the stable release mode.
 crbug.com/490015 virtual/stable/http/tests/navigation/same-and-different-back.html [ Skip ]