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 09f261f11aea51cb2fcef3ba907d0acddcd43b73..b19f5b196e43f67f3195d0662c79544c6ca3fd2b 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -1455,6 +1455,14 @@ 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: