Replace bools in extension creation with flags.

chrome/browser/extensions/convert_web_app.cc

 // Copyright (c) 2011 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/extensions/convert_web_app.h"
 
 #include <cmath>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 153 matching lines @@
       return NULL;
     }
   }
 
   // Finally, create the extension object to represent the unpacked directory.
   std::string error;
   scoped_refptr<Extension> extension = Extension::Create(
       temp_dir.path(),
       Extension::INTERNAL,
       *root,
-      false,  // Don't require a key.
-      true,  // Enable strict error checks.
+      Extension::STRICT_ERROR_CHECKS,
       &error);
   if (!extension) {
     LOG(ERROR) << error;
     return NULL;
   }
 
   temp_dir.Take();  // The caller takes ownership of the directory.
   return extension;
 }