Add ExtendSelectionAndDelete() method to ui::TextInputClient.

ui/views/controls/textfield/native_textfield_views.cc

Index: ui/views/controls/textfield/native_textfield_views.cc
diff --git a/ui/views/controls/textfield/native_textfield_views.cc b/ui/views/controls/textfield/native_textfield_views.cc
index 80474c9bfe33bed55326790a43b30348415267ff..8583b7e7f57dddd3772d1660318911285c008d95 100644
--- a/ui/views/controls/textfield/native_textfield_views.cc
+++ b/ui/views/controls/textfield/native_textfield_views.cc
@@ -853,6 +853,12 @@ bool NativeTextfieldViews::ChangeTextDirectionAndLayoutAlignment(
   return false;
 }
 
+void NativeTextfieldViews::ExtendSelectionAndDelete(int before, int after) {
+  // TODO(horo): implement this method if it is required.
+  // http://crbug.com/149155
+  NOTIMPLEMENTED();
+}
+
 void NativeTextfieldViews::OnCompositionTextConfirmedOrCleared() {
   if (skip_input_method_cancel_composition_)
     return;