Invalidate paint of tickmarks on document change

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 0aa429df934a02c5cf0edce68e8880d52cbff151..43a77c7115f9b8fc96f200608ae5adbdac9acb72 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -3679,7 +3679,6 @@ void Document::didInsertText(Node* text, unsigned offset, unsigned length)
     for (Range* range : m_ranges)
         range->didInsertText(text, offset, length);
 
-    // Update the markers for spelling and grammar checking.
     m_markers->shiftMarkers(text, offset, length);
 }
 
@@ -3688,7 +3687,6 @@ void Document::didRemoveText(Node* text, unsigned offset, unsigned length)
     for (Range* range : m_ranges)
         range->didRemoveText(text, offset, length);
 
-    // Update the markers for spelling and grammar checking.
     m_markers->removeMarkers(text, offset, length);
     m_markers->shiftMarkers(text, offset + length, 0 - length);
 }