Revert of Allow std::unordered_*.

base/containers/scoped_ptr_hash_map.h

 // Copyright 2013 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_CONTAINERS_SCOPED_PTR_HASH_MAP_H_
 #define BASE_CONTAINERS_SCOPED_PTR_HASH_MAP_H_
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
 
 namespace base {
 
-// Deprecated. Use std::unordered_map instead. https://crbug.com/579229
-//
 // This type acts like a hash_map<K, scoped_ptr<V, D> >, based on top of
 // base::hash_map. The ScopedPtrHashMap has ownership of all values in the data
 // structure.
 template <typename Key, typename ScopedPtr>
 class ScopedPtrHashMap {
   typedef base::hash_map<Key, typename ScopedPtr::element_type*> Container;
 
  public:
   typedef typename Container::key_type key_type;
   typedef typename Container::mapped_type mapped_type;
@@ skipping 134 matching lines @@
 
  private:
   Container data_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedPtrHashMap);
 };
 
 }  // namespace base
 
 #endif  // BASE_CONTAINERS_SCOPED_PTR_HASH_MAP_H_