Remove unused editing related member functions from WebViewClient

Source/core/page/EventHandler.cpp

Index: Source/core/page/EventHandler.cpp
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index 8018f081dcaa3c618a0af694dc9af761ca849940..d16caaea85c9aee27a7c254cccb6dd3a896f3cf3 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -375,7 +375,7 @@ void EventHandler::nodeWillBeRemoved(Node* nodeToBeRemoved)
 
 static void setSelectionIfNeeded(FrameSelection& selection, const VisibleSelection& newSelection)
 {
-    if (selection.selection() != newSelection && selection.shouldChangeSelection(newSelection))
+    if (selection.selection() != newSelection)
         selection.setSelection(newSelection);
 }
 
@@ -3833,8 +3833,7 @@ bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& m
         VisiblePosition visiblePos(
             mev.targetNode()->renderer()->positionForPoint(mev.localPoint()));
         VisibleSelection newSelection(visiblePos);
-        if (m_frame->selection().shouldChangeSelection(newSelection))
-            m_frame->selection().setSelection(newSelection);
+        m_frame->selection().setSelection(newSelection);
     }
 
     subframe->eventHandler()->handleMousePressEvent(mev.event());