Use base namespace for string16 in components and cloud_print.

components/policy/core/browser/policy_error_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 COMPONENTS_POLICY_CORE_BROWSER_POLICY_ERROR_MAP_H_
 #define COMPONENTS_POLICY_CORE_BROWSER_POLICY_ERROR_MAP_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "components/policy/policy_export.h"
 
 namespace policy {
 
 // Collects error messages and their associated policies.
 class POLICY_EXPORT PolicyErrorMap {
  public:
-  typedef std::multimap<std::string, string16> PolicyMapType;
+  typedef std::multimap<std::string, base::string16> PolicyMapType;
   typedef PolicyMapType::const_iterator const_iterator;
 
   PolicyErrorMap();
   virtual ~PolicyErrorMap();
 
   // Returns true when the errors logged are ready to be retrieved. It is always
   // safe to call AddError, but the other methods are only allowed once
   // IsReady is true. IsReady will be true once the UI message loop has started.
   bool IsReady() const;
 
@@ skipping 31 matching lines @@
   // Adds an entry with key |policy|, list index |index| and the error message
   // corresponding to |message_id| in grit/generated_resources.h to the map.
   // Replaces the placeholder in the error message with |replacement_string|.
   void AddError(const std::string& policy,
                 int index,
                 int message_id,
                 const std::string& replacement_string);
 
   // Returns all the error messages stored for |policy|, separated by a white
   // space. Returns an empty string if there are no errors for |policy|.
-  string16 GetErrors(const std::string& policy);
+  base::string16 GetErrors(const std::string& policy);
 
   bool empty();
   size_t size();
 
   const_iterator begin();
   const_iterator end();
 
   void Clear();
 
  private:
@@ skipping 10 matching lines @@
 
   std::vector<PendingError> pending_;
   PolicyMapType map_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyErrorMap);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_BROWSER_POLICY_ERROR_MAP_H_