Use base namespace for string16 in components and cloud_print.

components/policy/core/common/registry_dict_win.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 COMPONENTS_POLICY_CORE_COMMON_REGISTRY_DICT_WIN_H_
 #define COMPONENTS_POLICY_CORE_COMMON_REGISTRY_DICT_WIN_H_
 
 #include <windows.h>
 
 #include <map>
@@ skipping 49 matching lines @@
   // Clears all values.
   void ClearValues();
 
   // Merge keys and values from |other|, giving precedence to |other|.
   void Merge(const RegistryDict& other);
 
   // Swap with |other|.
   void Swap(RegistryDict* other);
 
   // Read a Windows registry subtree into this registry dictionary object.
-  void ReadRegistry(HKEY hive, const string16& root);
+  void ReadRegistry(HKEY hive, const base::string16& root);
 
   // Converts the dictionary to base::Value representation. For key/value name
   // collisions, the key wins. |schema| supplies an optional JSON schema that
   // will be used to map types to base::Value types. The returned object is
   // either a base::DictionaryValue or a base::ListValue.
   scoped_ptr<base::Value> ConvertToJSON(
       const base::DictionaryValue* schema) const;
 
   const KeyMap& keys() const { return keys_; }
   const ValueMap& values() const { return values_; }
 
  private:
   KeyMap keys_;
   ValueMap values_;
 
   DISALLOW_COPY_AND_ASSIGN(RegistryDict);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_REGISTRY_DICT_WIN_H_