Remove Range.expand() method

Source/core/dom/Range.cpp

Index: Source/core/dom/Range.cpp
diff --git a/Source/core/dom/Range.cpp b/Source/core/dom/Range.cpp
index f9cb4fef91945ad16ed3263304134eb07c4c9f5d..6102fdd49f5ff9b3fedd32e0f268942bdbe43f82 100644
--- a/Source/core/dom/Range.cpp
+++ b/Source/core/dom/Range.cpp
@@ -1620,29 +1620,6 @@ void Range::didSplitTextNode(Text& oldNode)
     ASSERT(boundaryPointsValid());
 }
 
-void Range::expand(const String& unit, ExceptionState& exceptionState)
-{
-    VisiblePosition start(startPosition());
-    VisiblePosition end(endPosition());
-    if (unit == "word") {
-        start = startOfWord(start);
-        end = endOfWord(end);
-    } else if (unit == "sentence") {
-        start = startOfSentence(start);
-        end = endOfSentence(end);
-    } else if (unit == "block") {
-        start = startOfParagraph(start);
-        end = endOfParagraph(end);
-    } else if (unit == "document") {
-        start = startOfDocument(start);
-        end = endOfDocument(end);
-    } else {
-        return;
-    }
-    setStart(start.deepEquivalent().containerNode(), start.deepEquivalent().computeOffsetInContainerNode(), exceptionState);
-    setEnd(end.deepEquivalent().containerNode(), end.deepEquivalent().computeOffsetInContainerNode(), exceptionState);
-}
-
 ClientRectList* Range::getClientRects() const
 {
     m_ownerDocument->updateLayoutIgnorePendingStylesheets();