Scale focus outline thickness with zoom level.

third_party/WebKit/Source/core/paint/ObjectPainter.cpp

Index: third_party/WebKit/Source/core/paint/ObjectPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/ObjectPainter.cpp b/third_party/WebKit/Source/core/paint/ObjectPainter.cpp
index 6129ed3768fdc892a3c4215cdaaf9795b7922250..e38d7050cd90ec8b5888406e5f9a861c6f6339ee 100644
--- a/third_party/WebKit/Source/core/paint/ObjectPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/ObjectPainter.cpp
@@ -273,9 +273,10 @@ void ObjectPainter::paintOutline(const PaintInfo& paintInfo,
   Color color =
       m_layoutObject.resolveColor(styleToUse, CSSPropertyOutlineColor);
   if (styleToUse.outlineStyleIsAuto()) {
-    paintInfo.context.drawFocusRing(pixelSnappedOutlineRects,
-                                    styleToUse.outlineWidth(),
-                                    styleToUse.outlineOffset(), color);
+    paintInfo.context.drawFocusRing(
+        pixelSnappedOutlineRects,
+        styleToUse.getOutlineStrokeWidthForFocusRing(),
+        styleToUse.outlineOffset(), color);
     return;
   }