[Mac] Remove native/Cocoa preferences.

chrome/browser/ui/cocoa/options/edit_search_engine_cocoa_controller.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import <Cocoa/Cocoa.h>
-
-class TemplateURL;
-
-#import "base/mac/cocoa_protocols.h"
-#include "base/scoped_nsobject.h"
-#include "base/scoped_ptr.h"
-#include "chrome/browser/ui/search_engines/edit_search_engine_controller.h"
-
-// This controller presents a dialog that allows a user to add or edit a search
-// engine. If constructed with a nil |templateURL| then it is an add operation,
-// otherwise it will modify the passed URL. A |delegate| is necessary to
-// perform the actual database modifications, and should probably be an
-// instance of KeywordEditorModelObserver.
-
-@interface EditSearchEngineCocoaController :
-    NSWindowController<NSWindowDelegate> {
-  IBOutlet NSTextField* nameField_;
-  IBOutlet NSTextField* keywordField_;
-  IBOutlet NSTextField* urlField_;
-  IBOutlet NSImageView* nameImage_;
-  IBOutlet NSImageView* keywordImage_;
-  IBOutlet NSImageView* urlImage_;
-  IBOutlet NSButton* doneButton_;
-  IBOutlet NSTextField* urlDescriptionField_;
-  IBOutlet NSView* labelContainer_;
-  IBOutlet NSBox* fieldAndImageContainer_;
-
-  // Refs to the good and bad images used in the interface validation.
-  scoped_nsobject<NSImage> goodImage_;
-  scoped_nsobject<NSImage> badImage_;
-
-  Profile* profile_;  // weak
-  const TemplateURL* templateURL_;  // weak
-  scoped_ptr<EditSearchEngineController> controller_;
-}
-
-- (id)initWithProfile:(Profile*)profile
-             delegate:(EditSearchEngineControllerDelegate*)delegate
-          templateURL:(const TemplateURL*)url;
-
-- (IBAction)cancel:(id)sender;
-- (IBAction)save:(id)sender;
-
-@end
-
-@interface EditSearchEngineCocoaController (ExposedForTesting)
-- (BOOL)validateFields;
-@end