Remove the 2px outline-offset for links.

Prior to this CL an 2px outline-offset was used by default for links.
Because we have seen many cases where the focus ring is seen chopped, this
CL changes the offset back to 0px.

Bug: 1044899
Change-Id: I1aa2246a0d4df63a3ad112293c9f8ddca26be29b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2020562
Commit-Queue: Ionel Popescu <iopopesc@microsoft.com>
Reviewed-by: Mason Freed <masonfreed@chromium.org>
Reviewed-by: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#735308}

third_party/blink/renderer/core/style/computed_style.cc

@@ -2206,9 +2206,9 @@ int ComputedStyle::GetDefaultOffsetForFocusRing() const {
   if (!::features::IsFormControlsRefreshEnabled())
     return 0;
 
-  // For FormControlsRefresh checkbox, radio and links have a 2px inner padding.
+  // For FormControlsRefresh checkbox and radio have a 2px inner padding.
   if (EffectiveAppearance() == kCheckboxPart ||
-      EffectiveAppearance() == kRadioPart || IsLink())
+      EffectiveAppearance() == kRadioPart)
     return 2;
   return 0;
 }

third_party/blink/web_tests/platform/linux/paint/invalidation/svg/scrolling-embedded-svg-file-image-repaint-problem-expected.txt

@@ -18,7 +18,7 @@
         },
         {
           "object": "NGPhysicalBoxFragment LayoutInline A",
-          "rect": [380, 968, 48, 27],
+          "rect": [382, 970, 44, 23],
           "reason": "appeared"
         },
         {

third_party/blink/web_tests/platform/win/paint/invalidation/svg/scrolling-embedded-svg-file-image-repaint-problem-expected.txt

@@ -18,7 +18,7 @@
         },
         {
           "object": "NGPhysicalBoxFragment LayoutInline A",
-          "rect": [381, 1008, 52, 27],
+          "rect": [383, 1010, 48, 23],
           "reason": "appeared"
         },
         {