Remove unused editing related member functions from WebViewClient

LayoutTests/editing/spelling/spelling-expected.txt

Index: LayoutTests/editing/spelling/spelling-expected.txt
diff --git a/LayoutTests/editing/spelling/spelling-expected.txt b/LayoutTests/editing/spelling/spelling-expected.txt
index cc0e1942491f87d2b07209249d76586fc8b6b34c..3d46f23728ae3538c96897fbb491ab3a4a90a88c 100644
--- a/LayoutTests/editing/spelling/spelling-expected.txt
+++ b/LayoutTests/editing/spelling/spelling-expected.txt
@@ -1,20 +1,13 @@
-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: shouldChangeSelectedDOMRange:range from 0 of DIV > BODY > HTML > #document to 0 of DIV > BODY > HTML > #document toDOMRange:range from 1 of #text > SPAN > DIV > BODY > HTML > #document to 1 of #text > SPAN > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 1 of #text > SPAN > DIV > BODY > HTML > #document to 1 of #text > SPAN > DIV > BODY > HTML > #document toDOMRange:range from 0 of DIV > DIV > BODY > HTML > #document to 0 of DIV > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of DIV > DIV > BODY > HTML > #document to 0 of DIV > DIV > BODY > HTML > #document toDOMRange:range from 1 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 1 of #text > SPAN > DIV > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 1 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 1 of #text > SPAN > DIV > DIV > BODY > HTML > #document toDOMRange:range from 2 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 2 of #text > SPAN > DIV > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 2 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 2 of #text > SPAN > DIV > DIV > BODY > HTML > #document toDOMRange:range from 3 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 3 of #text > SPAN > DIV > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
 layer at (0,0) size 800x600