Do cookie checks in NetworkDelegate instead of the URLRequest::Delegate.

content/browser/appcache/chrome_appcache_service.h

Index: content/browser/appcache/chrome_appcache_service.h
diff --git a/content/browser/appcache/chrome_appcache_service.h b/content/browser/appcache/chrome_appcache_service.h
index 6fb7785cf12557898096ac9d80429b5cce4631ba..b0411422a2868d551eeb491075aca4daf1f2992e 100644
--- a/content/browser/appcache/chrome_appcache_service.h
+++ b/content/browser/appcache/chrome_appcache_service.h
@@ -43,6 +43,9 @@ class CONTENT_EXPORT ChromeAppCacheService
   explicit ChromeAppCacheService(quota::QuotaManagerProxy* proxy);
   virtual ~ChromeAppCacheService();
 
+  // appcache::AppCacheService overrides
+  virtual void InitializeUpdateRequest(net::URLRequest* request) OVERRIDE;
+
   void InitializeOnIOThread(
       const FilePath& cache_path,  // may be empty to use in-memory structures
       content::ResourceContext* resource_context,