Replace bools in extension creation with flags.

chrome/browser/extensions/sandboxed_extension_unpacker.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/sandboxed_extension_unpacker.h"
 
 #include <set>
 
 #include "base/base64.h"
 #include "base/crypto/signature_verifier.h"
@@ skipping 166 matching lines @@
         l10n_util::GetStringFUTF8(
             IDS_EXTENSION_PACKAGE_ERROR_MESSAGE,
             ASCIIToUTF16(error)));
     return;
   }
 
   extension_ = Extension::Create(
       extension_root_,
       Extension::INTERNAL,
       *final_manifest,
-      true,  // Require key
-      false,  // Disable strict error checks
+      Extension::REQUIRE_KEY,
       &error);
 
   if (!extension_.get()) {
     ReportFailure(
         INVALID_MANIFEST,
         std::string("Manifest is invalid: ") + error);
     return;
   }
 
   if (!RewriteImageFiles())
@@ skipping 384 matching lines @@
           ERROR_SAVING_CATALOG,
           l10n_util::GetStringFUTF8(
               IDS_EXTENSION_PACKAGE_INSTALL_ERROR,
               ASCIIToUTF16("ERROR_SAVING_CATALOG")));
       return false;
     }
   }
 
   return true;
 }