Some easy linked_ptr removal from extensions/common/

extensions/common/url_pattern_set.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 "extensions/common/url_pattern_set.h"
 
 #include <iterator>
 #include <ostream>
 
 #include "base/logging.h"
-#include "base/memory/linked_ptr.h"
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
 #include "base/values.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/url_pattern.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 #include "url/url_constants.h"
 
 namespace extensions {
@@ skipping 261 matching lines @@
   for (size_t i = 0; i < value.GetSize(); ++i) {
     std::string item;
     if (!value.GetString(i, &item))
       return false;
     patterns.push_back(item);
   }
   return Populate(patterns, valid_schemes, allow_file_access, error);
 }
 
 }  // namespace extensions