ServiceWorker: add ServiceWorkerClients.claim() support (2/3).

content/child/service_worker/service_worker_dispatcher.cc

 // 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.
 
 #include "content/child/service_worker/service_worker_dispatcher.h"
 
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/stl_util.h"
 #include "base/threading/thread_local.h"
@@ skipping 305 matching lines @@
   if (attrs.active.handle_id != kInvalidServiceWorkerHandleId)
     worker_to_provider_[attrs.active.handle_id] = provider->second;
 }
 
 void ServiceWorkerDispatcher::OnDisassociateRegistration(
     int thread_id,
     int provider_id) {
   ProviderContextMap::iterator provider = provider_contexts_.find(provider_id);
   if (provider == provider_contexts_.end())
     return;
-  provider->second->OnDisassociateRegistration();
   worker_to_provider_.erase(provider->second->installing_handle_id());
   worker_to_provider_.erase(provider->second->waiting_handle_id());
   worker_to_provider_.erase(provider->second->active_handle_id());
   worker_to_provider_.erase(provider->second->controller_handle_id());
+  provider->second->OnDisassociateRegistration();
 }
 
 void ServiceWorkerDispatcher::OnRegistered(
     int thread_id,
     int request_id,
     const ServiceWorkerRegistrationObjectInfo& info,
     const ServiceWorkerVersionAttributes& attrs) {
   TRACE_EVENT_ASYNC_STEP_INTO0("ServiceWorker",
                                "ServiceWorkerDispatcher::RegisterServiceWorker",
                                request_id,
@@ skipping 363 matching lines @@
         attrs.installing, thread_safe_sender_.get());
     ServiceWorkerHandleReference::Adopt(
         attrs.waiting, thread_safe_sender_.get());
     ServiceWorkerHandleReference::Adopt(
         attrs.active, thread_safe_sender_.get());
   }
   return registration;
 }
 
 }  // namespace content