Rename base/hash_tables to base/containers/hash_tables.

net/base/platform_mime_util.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 NET_BASE_PLATFORM_MIME_UTIL_H_
 #define NET_BASE_PLATFORM_MIME_UTIL_H_
 
 #include <string>
 
+#include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
-#include "base/hash_tables.h"
 
 namespace net {
 
 // Encapsulates the platform-specific functionality in mime_util.
 class PlatformMimeUtil {
  public:
   // See documentation for base::GetPreferredExtensionForMimeType [mime_util.h]
   bool GetPreferredExtensionForMimeType(
       const std::string& mime_type,
       base::FilePath::StringType* extension) const;
 
   // Adds all the extensions that the platform associates with the type
   // |mime_type| to the set |extensions|.  Returns at least the value returned
   // by GetPreferredExtensionForMimeType.
   void GetPlatformExtensionsForMimeType(
       const std::string& mime_type,
       base::hash_set<base::FilePath::StringType>* extensions) const;
 
  protected:
   // Get the mime type (if any) that is associated with the file extension.
   // Returns true if a corresponding mime type exists.
   bool GetPlatformMimeTypeFromExtension(const base::FilePath::StringType& ext,
                                         std::string* mime_type) const;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_PLATFORM_MIME_UTIL_H_