Move static member function normalizeRange() out from VisibleSelection

Source/core/editing/FrameSelection.cpp

Index: Source/core/editing/FrameSelection.cpp
diff --git a/Source/core/editing/FrameSelection.cpp b/Source/core/editing/FrameSelection.cpp
index a2077e0fb317dfb0865febf50ff84f3b6299d0a9..5d922fe3cd55731ffb3275c6c78e4e4966208181 100644
--- a/Source/core/editing/FrameSelection.cpp
+++ b/Source/core/editing/FrameSelection.cpp
@@ -1743,7 +1743,7 @@ template <typename SelectionType>
 String extractSelectedTextAlgorithm(const FrameSelection& selection, TextIteratorBehavior behavior)
 {
     VisibleSelection visibleSelection = selection.selection();
-    EphemeralRangeTemplate<typename SelectionType::Strategy> range = VisibleSelection::normalizeRange(SelectionType::asRange(visibleSelection));
+    EphemeralRangeTemplate<typename SelectionType::Strategy> range = normalizeRange(SelectionType::asRange(visibleSelection));
     // We remove '\0' characters because they are not visibly rendered to the user.
     return plainText(range, behavior).replace(0, "");
 }
@@ -1759,7 +1759,7 @@ template <typename SelectionType>
 static String extractSelectedHTMLAlgorithm(const FrameSelection& selection)
 {
     VisibleSelection visibleSelection = selection.selection();
-    EphemeralRangeTemplate<typename SelectionType::Strategy> range = VisibleSelection::normalizeRange(SelectionType::asRange(visibleSelection));
+    EphemeralRangeTemplate<typename SelectionType::Strategy> range = normalizeRange(SelectionType::asRange(visibleSelection));
     return createMarkup(range.startPosition(), range.endPosition(), AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
 }