Keep track of ServiceWorkerContext's BrowserContext and expose it.

content/browser/service_worker/service_worker_context_wrapper.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/browser/service_worker/service_worker_context_wrapper.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/barrier_closure.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/browser/service_worker/service_worker_process_manager.h"
 #include "content/browser/service_worker/service_worker_quota_client.h"
 #include "content/browser/service_worker/service_worker_request_handler.h"
+#include "content/browser/storage_partition_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/service_worker_context.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "storage/browser/blob/blob_storage_context.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
 #include "storage/browser/quota/special_storage_policy.h"
 
 namespace content {
@@ skipping 32 matching lines @@
   if (!handler || !handler->context())
     return nullptr;
   return handler->context()->wrapper_;
 }
 
 ServiceWorkerContextWrapper::ServiceWorkerContextWrapper(
     BrowserContext* browser_context)
     : observer_list_(
           new ObserverListThreadSafe<ServiceWorkerContextObserver>()),
       process_manager_(new ServiceWorkerProcessManager(browser_context)),
       is_incognito_(false) {

[michaeln, 2015/01/14 23:36:47]

ooops, wait, please initialize storage_partition_(nullptr) here

+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 ServiceWorkerContextWrapper::~ServiceWorkerContextWrapper() {
 }
 
 void ServiceWorkerContextWrapper::Init(
     const base::FilePath& user_data_directory,
     storage::QuotaManagerProxy* quota_manager_proxy,
     storage::SpecialStoragePolicy* special_storage_policy) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
   is_incognito_ = user_data_directory.empty();
   base::SequencedWorkerPool* pool = BrowserThread::GetBlockingPool();
   scoped_ptr<ServiceWorkerDatabaseTaskManager> database_task_manager(
       new ServiceWorkerDatabaseTaskManagerImpl(pool));
   scoped_refptr<base::SingleThreadTaskRunner> disk_cache_thread =
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE);
   scoped_refptr<base::SequencedTaskRunner> cache_task_runner =
       pool->GetSequencedTaskRunnerWithShutdownBehavior(
           BrowserThread::GetBlockingPool()->GetSequenceToken(),
           base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
   InitInternal(user_data_directory,
                cache_task_runner,
                database_task_manager.Pass(),
                disk_cache_thread,
                quota_manager_proxy,
                special_storage_policy);
 }
 
 void ServiceWorkerContextWrapper::Shutdown() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  storage_partition_ = nullptr;
   process_manager_->Shutdown();
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&ServiceWorkerContextWrapper::ShutdownOnIO, this));
 }
 
 void ServiceWorkerContextWrapper::DeleteAndStartOver() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   context_core_->DeleteAndStartOver(
       base::Bind(&ServiceWorkerContextWrapper::DidDeleteAndStartOver, this));
 }
 
 ServiceWorkerContextCore* ServiceWorkerContextWrapper::context() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return context_core_.get();
 }
 
+StoragePartitionImpl* ServiceWorkerContextWrapper::storage_partition() const {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  return storage_partition_;
+}
+
+void ServiceWorkerContextWrapper::set_storage_partition(
+    StoragePartitionImpl* storage_partition) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  storage_partition_ = storage_partition;
+}
+
 static void FinishRegistrationOnIO(
     const ServiceWorkerContext::ResultCallback& continuation,
     ServiceWorkerStatusCode status,
     int64 registration_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(continuation, status == SERVICE_WORKER_OK));
 }
@@ skipping 225 matching lines @@
     context_core_.reset();
     return;
   }
   context_core_.reset(new ServiceWorkerContextCore(context_core_.get(), this));
   DVLOG(1) << "Restarted ServiceWorkerContextCore successfully.";
 
   observer_list_->Notify(&ServiceWorkerContextObserver::OnStorageWiped);
 }
 
 }  // namespace content