Remove unused editing related member functions from WebViewClient

LayoutTests/editing/selection/move-begin-end-expected.txt

Index: LayoutTests/editing/selection/move-begin-end-expected.txt
diff --git a/LayoutTests/editing/selection/move-begin-end-expected.txt b/LayoutTests/editing/selection/move-begin-end-expected.txt
index e5c7d5782f65b0412b5f8840bd82f243aa8f7a70..882e1e7801fbbeb1ecdd79c8831866570af6511a 100644
--- a/LayoutTests/editing/selection/move-begin-end-expected.txt
+++ b/LayoutTests/editing/selection/move-begin-end-expected.txt
@@ -1,16 +1,8 @@
-EDITING DELEGATE: shouldBeginEditingInDOMRange:range from 0 of DIV > BODY > HTML > #document to 1 of DIV > BODY > HTML > #document
-EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:(null) toDOMRange:range from 0 of DIV > BODY > HTML > #document to 0 of DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 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 9 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 9 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document toDOMRange:range from 0 of DIV > BODY > HTML > #document to 0 of DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 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 0 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 0 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document toDOMRange:range from 9 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 9 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document toDOMRange:range from 0 of #text > DIV > BODY > HTML > #document to 9 of #text > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
 EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
 Some text
 This tests that moving the caret and selecting using Command+Left/Right arrows work correctly. If this text is successful, the text "SUCCESS" will be shown below.