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

content/browser/service_worker/service_worker_context_wrapper.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 
 #include <vector>
 
 #include "base/files/file_path.h"
@@ skipping 35 matching lines @@
  public:
   ServiceWorkerContextWrapper(BrowserContext* browser_context);
 
   // Init and Shutdown are for use on the UI thread when the profile,
   // storagepartition is being setup and torn down.
   void Init(const base::FilePath& user_data_directory,
             storage::QuotaManagerProxy* quota_manager_proxy,
             storage::SpecialStoragePolicy* special_storage_policy);
   void Shutdown();
 
+  // False before initialization and after shutdown.
+  virtual bool IsAlive() const;
+
   // Deletes all files on disk and restarts the system asynchronously. This
   // leaves the system in a disabled state until it's done. This should be
   // called on the IO thread.
   void DeleteAndStartOver();
 
   // The core context is only for use on the IO thread.
   ServiceWorkerContextCore* context();
 
   // The process manager can be used on either UI or IO.
   ServiceWorkerProcessManager* process_manager() {
     return process_manager_.get();
   }
 
   // ServiceWorkerContext implementation:
   virtual void RegisterServiceWorker(
       const GURL& pattern,
       const GURL& script_url,
       const ResultCallback& continuation) override;
-  virtual void UnregisterServiceWorker(const GURL& pattern,
-                                       const ResultCallback& continuation)
-      override;
+  virtual void UnregisterServiceWorker(
+      const GURL& pattern,
+      const ResultCallback& continuation) override;
   virtual void Terminate() override;
   virtual void GetAllOriginsInfo(const GetUsageInfoCallback& callback) override;
   virtual void DeleteForOrigin(const GURL& origin_url) override;
 
+  // DeleteForOrigin with completion callback.  Does not exit early, and returns
+  // false if one or more of the deletions fail.
+  virtual void DeleteForOrigin(const GURL& origin_url,
+                               const ResultCallback& done);
+
   void AddObserver(ServiceWorkerContextObserver* observer);
   void RemoveObserver(ServiceWorkerContextObserver* observer);
 
   bool is_incognito() const { return is_incognito_; }
 
   // The URLRequestContext doesn't exist until after the StoragePartition is
   // made (which is after this object is made). This function must be called
   // after this object is created but before any ServiceWorkerCache operations.
   // It must be called on the IO thread. If either parameter is NULL the
   // function immediately returns without forwarding to the
   // ServiceWorkerCacheStorageManager.
   void SetBlobParametersForCache(
       net::URLRequestContextGetter* request_context,
       ChromeBlobStorageContext* blob_storage_context);
 
  private:
   friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
   friend class EmbeddedWorkerTestHelper;
   friend class ServiceWorkerProcessManager;
+  friend class MockServiceWorkerContextWrapper;
+
   virtual ~ServiceWorkerContextWrapper();
 
   void InitInternal(
       const base::FilePath& user_data_directory,
       const scoped_refptr<base::SequencedTaskRunner>& stores_task_runner,
       scoped_ptr<ServiceWorkerDatabaseTaskManager> database_task_manager,
       const scoped_refptr<base::SingleThreadTaskRunner>& disk_cache_thread,
       storage::QuotaManagerProxy* quota_manager_proxy,
       storage::SpecialStoragePolicy* special_storage_policy);
   void ShutdownOnIO();
 
   void DidDeleteAndStartOver(ServiceWorkerStatusCode status);
 
   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_;
   const scoped_ptr<ServiceWorkerProcessManager> process_manager_;
   // Cleared in Shutdown():
   scoped_ptr<ServiceWorkerContextCore> context_core_;
 
   // Initialized in Init(); true if the user data directory is empty.
   bool is_incognito_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_