Formalise a CHECK for the NULL NavigationEntry in ScriptBadgeController, and

chrome/renderer/extensions/extension_helper.cc

Index: chrome/renderer/extensions/extension_helper.cc
diff --git a/chrome/renderer/extensions/extension_helper.cc b/chrome/renderer/extensions/extension_helper.cc
index ef75d7a474dd5b0b7206d4c25f589e1c681d2245..80695e2b7b39ef79efe269dea0dbc4946e92882d 100644
--- a/chrome/renderer/extensions/extension_helper.cc
+++ b/chrome/renderer/extensions/extension_helper.cc
@@ -345,7 +345,7 @@ void ExtensionHelper::OnExecuteCode(
   if (!main_frame) {
     ListValue val;
     Send(new ExtensionHostMsg_ExecuteCodeFinished(
-        routing_id(), params.request_id, false, -1, "", val));
+        routing_id(), params.request_id, "No main frame", -1, GURL(""), val));

[Jeffrey Yasskin, 2012/08/06 11:39:02]

Yay for actual error messages. :)

     return;
   }