Track the region where text is painted.

Source/core/rendering/RenderListMarker.cpp

Index: Source/core/rendering/RenderListMarker.cpp
diff --git a/Source/core/rendering/RenderListMarker.cpp b/Source/core/rendering/RenderListMarker.cpp
index dbc0450e63697ec1eeef6ea4f329f6ff6a2884d2..30939f4910a7a32d2a857817fb7985d83a847dcf 100644
--- a/Source/core/rendering/RenderListMarker.cpp
+++ b/Source/core/rendering/RenderListMarker.cpp
@@ -1280,7 +1280,7 @@ void RenderListMarker::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffse
     IntPoint textOrigin = IntPoint(marker.x(), marker.y() + style()->fontMetrics().ascent());
 
     if (type == Asterisks || type == Footnotes)
-        context->drawText(font, textRun, textOrigin);
+        context->drawText(font, textRun, textOrigin, marker);
     else {
         // Text is not arbitrary. We can judge whether it's RTL from the first character,
         // and we only need to handle the direction RightToLeft for now.
@@ -1297,15 +1297,15 @@ void RenderListMarker::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffse
         const UChar suffix = listMarkerSuffix(type, m_listItem->value());
         if (style()->isLeftToRightDirection()) {
             int width = font.width(textRun);
-            context->drawText(font, textRun, textOrigin);
+            context->drawText(font, textRun, textOrigin, marker);
             UChar suffixSpace[2] = { suffix, ' ' };
-            context->drawText(font, RenderBlock::constructTextRun(this, font, suffixSpace, 2, style()), textOrigin + IntSize(width, 0));
+            context->drawText(font, RenderBlock::constructTextRun(this, font, suffixSpace, 2, style()), textOrigin + IntSize(width, 0), marker);
         } else {
             UChar spaceSuffix[2] = { ' ', suffix };
             TextRun spaceSuffixRun = RenderBlock::constructTextRun(this, font, spaceSuffix, 2, style());
             int width = font.width(spaceSuffixRun);
-            context->drawText(font, spaceSuffixRun, textOrigin);
-            context->drawText(font, textRun, textOrigin + IntSize(width, 0));
+            context->drawText(font, spaceSuffixRun, textOrigin, marker);
+            context->drawText(font, textRun, textOrigin + IntSize(width, 0), marker);
         }
     }
 }