extensions: Use stl utilities from the base namespace

extensions/common/extension_set.cc

 // 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.
 
 #include "extensions/common/extension_set.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "extensions/common/constants.h"
@@ skipping 26 matching lines @@
 
 bool ExtensionSet::is_empty() const {
   return extensions_.empty();
 }
 
 bool ExtensionSet::Contains(const std::string& extension_id) const {
   return extensions_.find(extension_id) != extensions_.end();
 }
 
 bool ExtensionSet::Insert(const scoped_refptr<const Extension>& extension) {
-  bool was_present = ContainsKey(extensions_, extension->id());
+  bool was_present = base::ContainsKey(extensions_, extension->id());
   extensions_[extension->id()] = extension;
   if (!was_present && !modification_callback_.is_null())
     modification_callback_.Run(GetIDs());
   return !was_present;
 }
 
 bool ExtensionSet::InsertAll(const ExtensionSet& extensions) {
   size_t before = size();
   for (ExtensionSet::const_iterator iter = extensions.begin();
        iter != extensions.end(); ++iter) {
@@ skipping 88 matching lines @@
        it != extensions_.end(); ++it) {
     if (it->second->location() == Manifest::COMPONENT &&
         it->second->web_extent().MatchesURL(url))
       return true;
   }
 
   return false;
 }
 
 }  // namespace extensions