Get rid of redundant functions Editor::indent and outdent

Source/core/editing/Editor.cpp

Index: Source/core/editing/Editor.cpp
diff --git a/Source/core/editing/Editor.cpp b/Source/core/editing/Editor.cpp
index d4dc770fc8107519d823b5fc059e0252e7088551..01b7554bca9700dce716dd382c9acc41252bb6b9 100644
--- a/Source/core/editing/Editor.cpp
+++ b/Source/core/editing/Editor.cpp
@@ -629,18 +629,6 @@ String Editor::selectionStartCSSPropertyValue(CSSPropertyID propertyID)
     return selectionStyle->style()->getPropertyValue(propertyID);
 }
 
-void Editor::indent()
-{
-    ASSERT(m_frame.document());
-    IndentOutdentCommand::create(*m_frame.document(), IndentOutdentCommand::Indent)->apply();
-}
-
-void Editor::outdent()
-{
-    ASSERT(m_frame.document());
-    IndentOutdentCommand::create(*m_frame.document(), IndentOutdentCommand::Outdent)->apply();
-}
-
 static void dispatchEditableContentChangedEvents(PassRefPtrWillBeRawPtr<Element> startRoot, PassRefPtrWillBeRawPtr<Element> endRoot)
 {
     if (startRoot)