Give a helpful warning message if a url patern contains a port.

BUG=32160
TEST=ExtensionURLPatternTest.Ports,ExtensionManifestTest.*

Review URL: http://codereview.chromium.org/2835034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76967 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/common/extensions/extension_unpacker.cc b/chrome/common/extensions/extension_unpacker.cc
index 25919cf..fee4b541 100644
--- a/chrome/common/extensions/extension_unpacker.cc
+++ b/chrome/common/extensions/extension_unpacker.cc
@@ -177,7 +177,12 @@
   // EXTENSION.
   std::string error;
   scoped_refptr<Extension> extension(Extension::Create(
-      temp_install_dir_, Extension::INVALID, *parsed_manifest_, false, &error));
+      temp_install_dir_,
+      Extension::INVALID,
+      *parsed_manifest_,
+      false,  // Do not require a key
+      false,  // Do not enable strict error checks
+      &error));
   if (!extension.get()) {
     SetError(error);
     return false;