ServiceWorker: Add a function to abort all pending jobs in SWJobCoordinator

content/browser/service_worker/service_worker_register_job.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_REGISTER_JOB_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 35 matching lines @@
 
   // Registers a callback to be called when the promise would resolve (whether
   // successfully or not). Multiple callbacks may be registered. If |process_id|
   // is not -1, it's added to the existing clients when deciding in which
   // process to create the Service Worker instance.  If there are no existing
   // clients, a new RenderProcessHost will be created.
   void AddCallback(const RegistrationCallback& callback, int process_id);
 
   // ServiceWorkerRegisterJobBase implementation:
   virtual void Start() OVERRIDE;
+  virtual void Abort() OVERRIDE;
   virtual bool Equals(ServiceWorkerRegisterJobBase* job) OVERRIDE;
   virtual RegistrationJobType GetType() OVERRIDE;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProviderHostWaitingVersionTest,
                            AssociateWaitingVersionToDocuments);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProviderHostWaitingVersionTest,
                            DisassociateWaitingVersionFromDocuments);
 
   enum Phase {
      INITIAL,
      START,
      REGISTER,
      UPDATE,
      INSTALL,
      STORE,
      ACTIVATE,
-     COMPLETE
+     COMPLETE,
+     ABORT,
   };
 
   // Holds internal state of ServiceWorkerRegistrationJob, to compel use of the
   // getter/setter functions.
   struct Internal {
     Internal();
     ~Internal();
     scoped_refptr<ServiceWorkerRegistration> registration;
 
     // Holds 'installing' or 'waiting' version depending on the phase.
@@ skipping 49 matching lines @@
   scoped_refptr<ServiceWorkerRegistration> promise_resolved_registration_;
   scoped_refptr<ServiceWorkerVersion> promise_resolved_version_;
   base::WeakPtrFactory<ServiceWorkerRegisterJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegisterJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_