Make non-null VisibleSelections creatable only by createVisibleSelection[Deprecated]

third_party/WebKit/Source/core/editing/SelectionModifier.cpp

Index: third_party/WebKit/Source/core/editing/SelectionModifier.cpp
diff --git a/third_party/WebKit/Source/core/editing/SelectionModifier.cpp b/third_party/WebKit/Source/core/editing/SelectionModifier.cpp
index d40e8c706628e731ce1b21819f64f9a52a19b06e..c279ced550af228abcdd673345e6d96ecceba55c 100644
--- a/third_party/WebKit/Source/core/editing/SelectionModifier.cpp
+++ b/third_party/WebKit/Source/core/editing/SelectionModifier.cpp
@@ -587,7 +587,7 @@ bool SelectionModifier::modify(EAlteration alter, SelectionDirection direction,
 
     switch (alter) {
     case FrameSelection::AlterationMove:
-        m_selection = VisibleSelection(position, m_selection.isDirectional());
+        m_selection = createVisibleSelectionDeprecated(position, m_selection.isDirectional());
         break;
     case FrameSelection::AlterationExtend:
 
@@ -697,7 +697,7 @@ bool SelectionModifier::modifyWithPageGranularity(EAlteration alter, unsigned ve
 
     switch (alter) {
     case FrameSelection::AlterationMove:
-        m_selection = VisibleSelection(result, m_selection.isDirectional());
+        m_selection = createVisibleSelectionDeprecated(result, m_selection.isDirectional());
         break;
     case FrameSelection::AlterationExtend:
         m_selection.setExtent(result);