Revert of Revert "Remove obsolete LTR scrollbar padding hack."

Revert of Revert "Remove obsolete LTR scrollbar padding hack." (patchset #3 id:40001 of https://codereview.chromium.org/1334383002/ )

Reason for revert:
Reverting to restore ToT to the way it was. This change served only to provide a change to CP to the release branch.

Original issue's description:
> Revert "Remove obsolete LTR scrollbar padding hack."
> 
> This reverts commit 0e054f07273d9f5104b4b3926dc438fa794436fe.
> 
> Causes caret to disappear at edge of input fields in some situations.
> 
> BUG=523969, 474759
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=202221

TBR=chrishtr@chromium.org,szager@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=523969, 474759

[wkorman, 2015-09-16 03:51:52]

Created Revert of Revert "Remove obsolete LTR scrollbar padding hack."

[commit-bot: I haz the power, 2015-09-16 03:51:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1347993002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1347993002/1

[commit-bot: I haz the power, 2015-09-16 03:52:23]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-09-16 03:52:24]

Failed to apply patch for LayoutTests/TestExpectations:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  patching file LayoutTests/TestExpectations
  Hunk #1 FAILED at 923.
  1 out of 1 hunk FAILED -- saving rejects to file
LayoutTests/TestExpectations.rej

Patch:       LayoutTests/TestExpectations
Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index
5132b5bc69abf695baf179c06d2293e9f4ced7c0..3b8e4eb07aef80ba006ddc07981fef410902fe81
100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -923,41 +923,6 @@
 crbug.com/479533 accessibility/show-context-menu.html [ Skip ]
 crbug.com/479533 accessibility/show-context-menu-shadowdom.html [ Skip ]
 crbug.com/483653 accessibility/scroll-containers.html [ Skip ]
-
-crbug.com/474759 css3/selectors3/html/css3-modsel-23.html [ NeedsRebaseline ]
-crbug.com/474759 css3/selectors3/html/css3-modsel-69.html [ NeedsRebaseline ]
-crbug.com/474759 css3/selectors3/xhtml/css3-modsel-23.xml [ NeedsRebaseline ]
-crbug.com/474759 css3/selectors3/xhtml/css3-modsel-69.xml [ NeedsRebaseline ]
-crbug.com/474759 css3/selectors3/xml/css3-modsel-23.xml [ NeedsRebaseline ]
-crbug.com/474759 css3/selectors3/xml/css3-modsel-69.xml [ NeedsRebaseline ]
-crbug.com/474759 editing/input/caret-at-the-edge-of-contenteditable.html [
NeedsRebaseline ]
-crbug.com/474759 editing/input/caret-at-the-edge-of-input.html [
NeedsRebaseline ]
-crbug.com/474759 editing/input/editable-container-with-word-wrap-normal.html [
NeedsRebaseline ]
-crbug.com/474759 editing/pasteboard/drop-text-without-selection.html [
NeedsRebaseline ]
-crbug.com/474759 fast/clip/outline-overflowClip.html [ NeedsRebaseline ]
-crbug.com/474759 fast/css/text-overflow-input.html [ NeedsRebaseline ]
-crbug.com/474759 fast/events/autoscroll.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/basic-inputs.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/control-restrict-line-height.html [ NeedsRebaseline
]
-crbug.com/474759 fast/forms/input-appearance-preventDefault.html [
NeedsRebaseline ]
-crbug.com/474759 fast/forms/input-appearance-selection.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/input-disabled-color.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/input-text-drag-down.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/input-text-scroll-left-on-blur.html [
NeedsRebaseline ]
-crbug.com/474759 fast/forms/input-text-word-wrap.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/input-type-text-min-width.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/minWidthPercent.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/tabbing-input-iframe.html [ NeedsRebaseline ]
-crbug.com/474759 fast/forms/textfield-outline.html [ NeedsRebaseline ]
-crbug.com/474759 fast/overflow/overflow-focus-ring.html [ NeedsRebaseline ]
-crbug.com/474759 fast/repaint/caret-invalidation-in-overflow-scroll.html [
NeedsRebaseline ]
-crbug.com/474759 fast/replaced/width100percent-searchfield.html [
NeedsRebaseline ]
-crbug.com/474759 fast/replaced/width100percent-textfield.html [ NeedsRebaseline
]
-crbug.com/474759 tables/mozilla/bugs/bug59354.html [ NeedsRebaseline ]
-crbug.com/474759 tables/mozilla/bugs/bug96334.html [ NeedsRebaseline ]
-crbug.com/474759 fast/css/input-search-padding.html [ NeedsRebaseline ]
-crbug.com/474759 virtual/pointerevent/fast/events/autoscroll.html [
NeedsRebaseline ]
-crbug.com/474759 virtual/trustedeventsdefaultaction/fast/events/autoscroll.html
[ NeedsRebaseline ]
 
 crbug.com/491764 http/tests/inspector/service-workers/user-agent-override.html
[ Timeout ]
 crbug.com/474798 fast/repaint/align-self-change-keeping-geometry-grid.html [
Failure ]

[commit-bot: I haz the power, 2015-09-16 03:52:32]

The CQ bit was unchecked by commit-bot@chromium.org