Added quota client for serviceworker. Enables 'clear past <time> data'.

content/browser/service_worker/service_worker_context_wrapper.h

Index: content/browser/service_worker/service_worker_context_wrapper.h
diff --git a/content/browser/service_worker/service_worker_context_wrapper.h b/content/browser/service_worker/service_worker_context_wrapper.h
index 9f6d060e9a4c039647f33bd56c5b86330a3aeda1..5fbe07c2b5d3a28d0fb144ed67ed77e138393efb 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.h
+++ b/content/browser/service_worker/service_worker_context_wrapper.h
@@ -74,6 +74,10 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
       OVERRIDE;
   virtual void Terminate() OVERRIDE;
   virtual void GetAllOriginsInfo(const GetUsageInfoCallback& callback) OVERRIDE;
+
+  // Callback is called on the IO thread.
+  virtual void DeleteForOrigin(const GURL& origin_url,
+                               const ResultCallback& result);
   virtual void DeleteForOrigin(const GURL& origin_url) OVERRIDE;
 
   void AddObserver(ServiceWorkerContextObserver* observer);
@@ -95,6 +99,8 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
   friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
   friend class EmbeddedWorkerTestHelper;
   friend class ServiceWorkerProcessManager;
+  friend class MockServiceWorkerContextWrapper;
+
   virtual ~ServiceWorkerContextWrapper();
 
   void InitInternal(
@@ -110,9 +116,6 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
   void DidGetAllRegistrationsForGetAllOrigins(
       const GetUsageInfoCallback& callback,
       const std::vector<ServiceWorkerRegistrationInfo>& registrations);
-  void DidGetAllRegistrationsForDeleteForOrigin(
-      const GURL& origin,
-      const std::vector<ServiceWorkerRegistrationInfo>& registrations);
 
   const scoped_refptr<ObserverListThreadSafe<ServiceWorkerContextObserver> >
       observer_list_;