extensions: Use stl utilities from the base namespace

extensions/common/message_bundle.cc

 // Copyright 2014 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.
 
 #include "extensions/common/message_bundle.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 98 matching lines @@
   } else {
     append_messages[kBidiDirectionKey] = "ltr";
     append_messages[kBidiReversedDirectionKey] = "rtl";
     append_messages[kBidiStartEdgeKey] = kBidiLeftEdgeValue;
     append_messages[kBidiEndEdgeKey] = kBidiRightEdgeValue;
   }
 
   // Add all reserved messages to the dictionary, but check for collisions.
   SubstitutionMap::iterator it = append_messages.begin();
   for (; it != append_messages.end(); ++it) {
-    if (ContainsKey(dictionary_, it->first)) {
+    if (base::ContainsKey(dictionary_, it->first)) {
       *error = ErrorUtils::FormatErrorMessage(
           errors::kReservedMessageFound, it->first);
       return false;
     } else {
       dictionary_[it->first] = it->second;
     }
   }
 
   return true;
 }
@@ skipping 207 matching lines @@
     return &(it->second);
 
   return NULL;
 }
 
 void EraseL10nMessagesMap(const std::string& extension_id) {
   g_extension_to_messages_map.Get().messages_map.erase(extension_id);
 }
 
 }  // namespace extensions