[Mac] Remove native/Cocoa preferences.

chrome/browser/autofill/autofill_dialog_mac.mm

Index: chrome/browser/autofill/autofill_dialog_mac.mm
diff --git a/chrome/browser/autofill/autofill_dialog_mac.mm b/chrome/browser/autofill/autofill_dialog_mac.mm
index 43e161e083f1411b359741d73f7bffbfd31ee7ef..8cb27b6ff1694555c6a729ef3695944b59f5d234 100644
--- a/chrome/browser/autofill/autofill_dialog_mac.mm
+++ b/chrome/browser/autofill/autofill_dialog_mac.mm
@@ -2,16 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "chrome/browser/autofill/autofill_dialog_controller_mac.h"
 #include "chrome/browser/autofill/autofill_dialog.h"
-#include "chrome/browser/profiles/profile.h"
 
 // Mac implementation of |ShowAutoFillDialog| interface defined in
 // |chrome/browser/autofill/autofill_dialog.h|.
 void ShowAutoFillDialog(gfx::NativeView parent,
                         AutoFillDialogObserver* observer,
                         Profile* profile) {
-  [AutoFillDialogController
-      showAutoFillDialogWithObserver:observer
-                             profile:profile];
+  NOTIMPLEMENTED();
 }