Refactor code that defers extension background page loading

extensions/browser/api/runtime/runtime_api.cc

 // Copyright 2014 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/browser/api/runtime/runtime_api.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 61 matching lines @@
                                 ExtensionHost* host) {
   // A NULL host from the LazyBackgroundTaskQueue means the page failed to
   // load. Give up.
   if (!host && !first_call)
     return;
 
   // Don't send onStartup events to incognito browser contexts.
   if (browser_context->IsOffTheRecord())
     return;
 
+  LOG(ERROR) << "JAMES DispatchOnStartupEventImpl IsValidContext "
+      << ExtensionsBrowserClient::Get()->IsValidContext(browser_context);
   if (ExtensionsBrowserClient::Get()->IsShuttingDown() ||
       !ExtensionsBrowserClient::Get()->IsValidContext(browser_context))
     return;
   ExtensionSystem* system = ExtensionSystem::Get(browser_context);
   if (!system)
     return;
 
   // If this is a persistent background page, we want to wait for it to load
   // (it might not be ready, since this is startup). But only enqueue once.
   // If it fails to load the first time, don't bother trying again.
@@ skipping 438 matching lines @@
   content::ChildProcessSecurityPolicy* policy =
       content::ChildProcessSecurityPolicy::GetInstance();
   policy->GrantReadFileSystem(renderer_id, filesystem_id);
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetString("fileSystemId", filesystem_id);
   dict->SetString("baseName", relative_path);
   return RespondNow(OneArgument(dict));
 }
 
 }  // namespace extensions