Get rid of redundant functions Editor::indent and outdent

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index e06ecff1eafe1df066479e45aa3588a14eeb1793..1f6faf02141b781864e355b02a28c3a238dd273f 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -1058,10 +1058,6 @@ bool WebLocalFrameImpl::executeCommand(const WebString& name, const WebNode& nod
     if (command == "DeleteToEndOfParagraph") {
         if (!frame()->editor().deleteWithDirection(DirectionForward, ParagraphBoundary, true, false))
             frame()->editor().deleteWithDirection(DirectionForward, CharacterGranularity, true, false);
-    } else if (command == "Indent") {
-        frame()->editor().indent();
-    } else if (command == "Outdent") {
-        frame()->editor().outdent();
     } else if (command == "DeleteBackward") {
         result = frame()->editor().command(AtomicString("BackwardDelete")).execute();
     } else if (command == "DeleteForward") {