Reland Merge NativeTextfieldViews into views::Textfield.

ui/views/controls/textfield/textfield_controller.cc

Index: ui/views/controls/textfield/textfield_controller.cc
diff --git a/ui/views/controls/textfield/textfield_controller.cc b/ui/views/controls/textfield/textfield_controller.cc
index e82579653cbfbca48ad907d3ba41e9c4855b63c9..1d90f3c06df26e2a424d6d7f855530ad542ea6ae 100644
--- a/ui/views/controls/textfield/textfield_controller.cc
+++ b/ui/views/controls/textfield/textfield_controller.cc
@@ -23,20 +23,4 @@ int TextfieldController::OnDrop(const ui::OSExchangeData& data) {
   return ui::DragDropTypes::DRAG_NONE;
 }
 
-bool TextfieldController::IsCommandIdEnabled(int command_id) const {
-  return false;
-}
-
-bool TextfieldController::IsItemForCommandIdDynamic(int command_id) const {
-  return false;
-}
-
-base::string16 TextfieldController::GetLabelForCommandId(int command_id) const {
-  return base::string16();
-}
-
-bool TextfieldController::HandlesCommand(int command_id) const {
-  return false;
-}
-
 }  // namespace views