MacViews: Extend TextInputClient protocol with support for editing commands.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index cceb5726bc51932ee349dc712de891bdf5dee46d..12f6ed9499ab70b62e12d61f5ad3bb7af253a1aa 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -1499,6 +1499,14 @@ void Textfield::OnCandidateWindowUpdated() {}
 
 void Textfield::OnCandidateWindowHidden() {}
 
+bool Textfield::IsEditingCommandEnabled(int command_id) {
+  return IsCommandIdEnabled(command_id);
+}
+
+void Textfield::ExecuteEditingCommand(int command_id) {
+  ExecuteCommand(command_id);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // Textfield, protected: