Rename base/hash_tables to base/containers/hash_tables.

base/containers/small_map.h

 // Copyright (c) 2012 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_SMALL_MAP_H_
 #define BASE_CONTAINERS_SMALL_MAP_H_
 
 #include <map>
 #include <string>
 #include <utility>
 
 #include "base/basictypes.h"
-#include "base/hash_tables.h"
+#include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/memory/manual_constructor.h"
 
 namespace base {
 
 // An STL-like associative container which starts out backed by a simple
 // array but switches to some other container type if it grows beyond a
 // fixed size.
 //
 // WHAT TYPE OF MAP SHOULD YOU USE?
@@ skipping 619 matching lines @@
           typename Functor>
 inline bool SmallMap<NormalMap, kArraySize, EqualKey,
                      Functor>::iterator::operator!=(
     const const_iterator& other) const {
   return other != *this;
 }
 
 }  // namespace base
 
 #endif  // BASE_CONTAINERS_SMALL_MAP_H_