Remove unused editing related member functions from WebViewClient

LayoutTests/platform/win/editing/deleting/delete-3608462-fix-expected.txt

Index: LayoutTests/platform/win/editing/deleting/delete-3608462-fix-expected.txt
diff --git a/LayoutTests/platform/win/editing/deleting/delete-3608462-fix-expected.txt b/LayoutTests/platform/win/editing/deleting/delete-3608462-fix-expected.txt
index e454decf2a0139ce4237e342cd9381e72570987f..65fdb2a01cfece40ee6186943b266ea2105eaba0 100644
--- a/LayoutTests/platform/win/editing/deleting/delete-3608462-fix-expected.txt
+++ b/LayoutTests/platform/win/editing/deleting/delete-3608462-fix-expected.txt
@@ -1,5 +1,3 @@
-EDITING DELEGATE: shouldBeginEditingInDOMRange:range from 0 of DIV > BODY > HTML > #document to 3 of DIV > BODY > HTML > #document
-EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
@@ -12,21 +10,16 @@ EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotificatio
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldDeleteDOMRange:range from 3 of #text > SPAN > DIV > BODY > HTML > #document to 4 of #text > SPAN > DIV > BODY > HTML > #document
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldDeleteDOMRange:range from 2 of #text > SPAN > DIV > BODY > HTML > #document to 3 of #text > SPAN > DIV > BODY > HTML > #document
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldDeleteDOMRange:range from 1 of #text > SPAN > DIV > BODY > HTML > #document to 2 of #text > SPAN > DIV > BODY > HTML > #document
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldDeleteDOMRange:range from 0 of #text > SPAN > DIV > BODY > HTML > #document to 1 of #text > SPAN > DIV > BODY > HTML > #document
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 4 of SPAN > DIV > BODY > HTML > #document to 4 of SPAN > DIV > BODY > HTML > #document toDOMRange:range from 4 of SPAN > DIV > BODY > HTML > #document to 4 of SPAN > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 layer at (0,0) size 800x600