Run clang-modernize -use-nullptr over src/extensions/.

extensions/common/url_pattern.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.h"
 
 #include <ostream>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 326 matching lines @@
   spec_.clear();
   if (IsValidPortForScheme(scheme_, port)) {
     port_ = port;
     return true;
   }
   return false;
 }
 
 bool URLPattern::MatchesURL(const GURL& test) const {
   const GURL* test_url = &test;
-  bool has_inner_url = test.inner_url() != NULL;
+  bool has_inner_url = test.inner_url() != nullptr;
 
   if (has_inner_url) {
     if (!test.SchemeIsFileSystem())
       return false;  // The only nested URLs we handle are filesystem URLs.
     test_url = test.inner_url();
   }
 
   if (!MatchesScheme(test_url->scheme()))
     return false;
 
   if (match_all_urls_)
     return true;
 
   std::string path_for_request = test.PathForRequest();
   if (has_inner_url)
     path_for_request = test_url->path() + path_for_request;
 
   return MatchesSecurityOriginHelper(*test_url) &&
          MatchesPath(path_for_request);
 }
 
 bool URLPattern::MatchesSecurityOrigin(const GURL& test) const {
   const GURL* test_url = &test;
-  bool has_inner_url = test.inner_url() != NULL;
+  bool has_inner_url = test.inner_url() != nullptr;
 
   if (has_inner_url) {
     if (!test.SchemeIsFileSystem())
       return false;  // The only nested URLs we handle are filesystem URLs.
     test_url = test.inner_url();
   }
 
   if (!MatchesScheme(test_url->scheme()))
     return false;
 
@@ skipping 223 matching lines @@
   }
 
   return result;
 }
 
 // static
 const char* URLPattern::GetParseResultString(
     URLPattern::ParseResult parse_result) {
   return kParseResultMessages[parse_result];
 }