Move isRenderedCharacter() to EditorCommand.cpp from Position.cpp

Source/core/editing/Position.cpp

Index: Source/core/editing/Position.cpp
diff --git a/Source/core/editing/Position.cpp b/Source/core/editing/Position.cpp
index 6716f960a70ab8033c29ccc9d94401ea67a8e9c0..fba1632563c6d4e5e19a134103c5b495f527628a 100644
--- a/Source/core/editing/Position.cpp
+++ b/Source/core/editing/Position.cpp
@@ -939,21 +939,6 @@ bool PositionAlgorithm<Strategy>::inRenderedText() const
     return false;
 }
 
-bool isRenderedCharacter(const Position& position)
-{
-    if (position.isNull())
-        return false;
-    ASSERT(position.isOffsetInAnchor());
-    if (!position.anchorNode()->isTextNode())
-        return false;
-
-    LayoutObject* layoutObject = position.anchorNode()->layoutObject();
-    if (!layoutObject)
-        return false;
-
-    return toLayoutText(layoutObject)->isRenderedCharacter(position.offsetInContainerNode());
-}
-
 template <typename Strategy>
 InlineBoxPosition PositionAlgorithm<Strategy>::computeInlineBoxPosition(TextAffinity affinity) const
 {