Set caret width based on device scale factor

third_party/WebKit/Source/core/layout/LayoutText.cpp

Index: third_party/WebKit/Source/core/layout/LayoutText.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutText.cpp b/third_party/WebKit/Source/core/layout/LayoutText.cpp
index 3f4d6a8f309e0e4d0f095ced53f3f17713755d5c..6cecd18b82dc96a6cf1358b5cc0b545f75808c27 100644
--- a/third_party/WebKit/Source/core/layout/LayoutText.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutText.cpp
@@ -765,9 +765,11 @@ LayoutRect LayoutText::localCaretRect(InlineBox* inlineBox,
   LayoutUnit left = box->positionForOffset(caretOffset);
 
   // Distribute the caret's width to either side of the offset.
-  LayoutUnit caretWidthLeftOfOffset = caretWidth() / 2;
+  LayoutUnit caretWidthLeftOfOffset =
+      caretWidth(frameView()->getHostWindow()) / 2;

[oshima, 2017/02/10 19:55:16]

ditto

[malaykeshav, 2017/02/10 21:00:54]

Done

   left -= caretWidthLeftOfOffset;
-  LayoutUnit caretWidthRightOfOffset = caretWidth() - caretWidthLeftOfOffset;
+  LayoutUnit caretWidthRightOfOffset =
+      caretWidth(frameView()->getHostWindow()) - caretWidthLeftOfOffset;
 
   left = LayoutUnit(left.round());
 
@@ -817,7 +819,7 @@ LayoutRect LayoutText::localCaretRect(InlineBox* inlineBox,
 
   if (rightAligned) {
     left = std::max(left, leftEdge);
-    left = std::min(left, rootRight - caretWidth());
+    left = std::min(left, rootRight - caretWidth(frameView()->getHostWindow()));
   } else {
     left = std::min(left, rightEdge - caretWidthRightOfOffset);
     left = std::max(left, rootLeft);
@@ -825,8 +827,10 @@ LayoutRect LayoutText::localCaretRect(InlineBox* inlineBox,
 
   return LayoutRect(
       style()->isHorizontalWritingMode()
-          ? IntRect(left.toInt(), top, caretWidth().toInt(), height)
-          : IntRect(top, left.toInt(), height, caretWidth().toInt()));
+          ? IntRect(left.toInt(), top,
+                    caretWidth(frameView()->getHostWindow()).toInt(), height)
+          : IntRect(top, left.toInt(), height,
+                    caretWidth(frameView()->getHostWindow()).toInt()));
 }
 
 ALWAYS_INLINE float LayoutText::widthFromFont(