Move Extension into extensions namespace

chrome/browser/intents/web_intents_registry.cc

 // 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.
 
 #include "chrome/browser/intents/web_intents_registry.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/string_util.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/intents/default_web_intent_service.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/mime_util.h"
 
+using extensions::Extension;
+
 namespace {
 
 typedef WebIntentsRegistry::IntentServiceList IntentServiceList;
 
 // Compares two mime types for equality. Supports wild cards in both
 // |type1| and |type2|. Wild cards are of the form '<type>/*' or '*'.
 bool MimeTypesAreEqual(const string16& type1, const string16& type2) {
   // We don't have a MIME matcher that allows patterns on both sides
   // Instead, we do two comparisons, treating each type in turn as a
   // pattern. If either one matches, we consider this a MIME match.
@@ skipping 415 matching lines @@
       if (write_iter != read_iter)
         *write_iter = *read_iter;
     }
     ++read_iter;
   }
 
   // Cut off everything after the last intent copied to the list.
   if (++write_iter != services->end())
     services->erase(write_iter, services->end());
 }