Move base to DEPS

base/mac/scoped_objc_class_swizzler.h

-// Copyright 2014 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.
-
-#ifndef BASE_MAC_SCOPED_OBJC_CLASS_SWIZZLER_H_
-#define BASE_MAC_SCOPED_OBJC_CLASS_SWIZZLER_H_
-
-#import <objc/runtime.h>
-
-#include "base/base_export.h"
-#include "base/macros.h"
-
-namespace base {
-namespace mac {
-
-// Within a given scope, swaps method implementations of a class interface, or
-// between two class interfaces. The argument and return types must match.
-class BASE_EXPORT ScopedObjCClassSwizzler {
- public:
-  // Given two classes that each respond to |selector|, swap the implementations
-  // of those methods.
-  ScopedObjCClassSwizzler(Class target, Class source, SEL selector);
-
-  // Given two selectors on the same class interface, |target| (e.g. via
-  // inheritance or categories), swap the implementations of methods |original|
-  // and |alternate|.
-  ScopedObjCClassSwizzler(Class target, SEL original, SEL alternate);
-
-  ~ScopedObjCClassSwizzler();
-
-  // Return a callable function pointer for the replaced method. To call this
-  // from the replacing function, the first two arguments should be |self| and
-  // |_cmd|. These are followed by the (variadic) method arguments.
-  IMP GetOriginalImplementation();
-
- private:
-  // Delegated constructor.
-  void Init(Class target, Class source, SEL original, SEL alternate);
-
-  Method old_selector_impl_;
-  Method new_selector_impl_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedObjCClassSwizzler);
-};
-
-}  // namespace mac
-}  // namespace base
-
-#endif  // BASE_MAC_SCOPED_OBJC_CLASS_SWIZZLER_H_