Remove unused editing related member functions from WebViewClient

LayoutTests/platform/win/editing/inserting/insert-div-023-expected.txt

Index: LayoutTests/platform/win/editing/inserting/insert-div-023-expected.txt
diff --git a/LayoutTests/platform/win/editing/inserting/insert-div-023-expected.txt b/LayoutTests/platform/win/editing/inserting/insert-div-023-expected.txt
index 918cee45a8fe4b047ee20a2461382752f76dd1aa..5d25c160445f63fa8dda79c4f12a9e1e8f47a4a0 100644
--- a/LayoutTests/platform/win/editing/inserting/insert-div-023-expected.txt
+++ b/LayoutTests/platform/win/editing/inserting/insert-div-023-expected.txt
@@ -1,5 +1,3 @@
-EDITING DELEGATE: shouldBeginEditingInDOMRange:range from 0 of BODY > HTML > #document to 16 of BODY > HTML > #document
-EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
@@ -15,13 +13,10 @@ EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotificatio
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 6 of #text > B > P > BODY > HTML > #document to 6 of #text > B > P > BODY > HTML > #document toDOMRange:range from 0 of P > BODY > HTML > #document to 0 of P > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of P > BODY > HTML > #document to 0 of P > BODY > HTML > #document toDOMRange:range from 0 of P > BODY > HTML > #document to 0 of P > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 1 of #text > B > P > BODY > HTML > #document to 1 of #text > B > P > BODY > HTML > #document toDOMRange:range from 1 of #text > B > P > BODY > HTML > #document to 1 of #text > B > P > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 layer at (0,0) size 785x685