content/browser/service_worker/service_worker_context_wrapper.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/service_worker/service_worker_context_wrapper.h"
   6
   7 #include <map>
   8 #include <set>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/barrier_closure.h"
  13 #include "base/bind.h"
  14 #include "base/files/file_path.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/location.h"
  17 #include "base/logging.h"
  18 #include "base/profiler/scoped_tracker.h"
  19 #include "base/single_thread_task_runner.h"
  20 #include "base/thread_task_runner_handle.h"
  21 #include "base/threading/sequenced_worker_pool.h"
  22 #include "content/browser/service_worker/service_worker_context_core.h"
  23 #include "content/browser/service_worker/service_worker_context_observer.h"
  24 #include "content/browser/service_worker/service_worker_process_manager.h"
  25 #include "content/browser/service_worker/service_worker_quota_client.h"
  26 #include "content/browser/service_worker/service_worker_request_handler.h"
  27 #include "content/browser/service_worker/service_worker_utils.h"
  28 #include "content/browser/service_worker/service_worker_version.h"
  29 #include "content/browser/storage_partition_impl.h"
  30 #include "content/public/browser/browser_context.h"
  31 #include "content/public/browser/browser_thread.h"
  32 #include "content/public/browser/service_worker_context.h"
  33 #include "net/base/net_errors.h"
  34 #include "net/base/net_util.h"
  35 #include "storage/browser/quota/quota_manager_proxy.h"
  36 #include "storage/browser/quota/special_storage_policy.h"
  37
  38 namespace content {
  39
  40 namespace {
  41
  42 typedef std::set<std::string> HeaderNameSet;
  43 base::LazyInstance<HeaderNameSet> g_excluded_header_name_set =
  44     LAZY_INSTANCE_INITIALIZER;
  45
  46 void RunSoon(const base::Closure& closure) {
  47   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, closure);
  48 }
  49
  50 void WorkerStarted(const ServiceWorkerContextWrapper::StatusCallback& callback,
  51                    ServiceWorkerStatusCode status) {
  52   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  53   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
  54                           base::Bind(callback, status));
  55 }
  56
  57 void StartActiveWorkerOnIO(
  58     const ServiceWorkerContextWrapper::StatusCallback& callback,
  59     ServiceWorkerStatusCode status,
  60     const scoped_refptr<ServiceWorkerRegistration>& registration) {
  61   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  62   if (status == SERVICE_WORKER_OK) {
  63     // Pass the reference of |registration| to WorkerStarted callback to prevent
  64     // it from being deleted while starting the worker. If the refcount of
  65     // |registration| is 1, it will be deleted after WorkerStarted is called.
  66     registration->active_version()->StartWorker(
  67         base::Bind(WorkerStarted, callback));
  68     return;
  69   }
  70   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
  71                           base::Bind(callback, SERVICE_WORKER_ERROR_NOT_FOUND));
  72 }
  73
  74 }  // namespace
  75
  76 void ServiceWorkerContext::AddExcludedHeadersForFetchEvent(
  77     const std::set<std::string>& header_names) {
  78   // TODO(pkasting): Remove ScopedTracker below once crbug.com/477117 is fixed.
  79   tracked_objects::ScopedTracker tracking_profile(
  80       FROM_HERE_WITH_EXPLICIT_FUNCTION(
  81           "477117 ServiceWorkerContext::AddExcludedHeadersForFetchEvent"));
  82   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  83   g_excluded_header_name_set.Get().insert(header_names.begin(),
  84                                           header_names.end());
  85 }
  86
  87 bool ServiceWorkerContext::IsExcludedHeaderNameForFetchEvent(
  88     const std::string& header_name) {
  89   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  90   return g_excluded_header_name_set.Get().find(header_name) !=
  91          g_excluded_header_name_set.Get().end();
  92 }
  93
  94 ServiceWorkerContext* ServiceWorkerContext::GetServiceWorkerContext(
  95     net::URLRequest* request) {
  96   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  97   ServiceWorkerRequestHandler* handler =
  98       ServiceWorkerRequestHandler::GetHandler(request);
  99   if (!handler || !handler->context())
 100     return nullptr;
 101   return handler->context()->wrapper_;
 102 }
 103
 104 ServiceWorkerContextWrapper::ServiceWorkerContextWrapper(
 105     BrowserContext* browser_context)
 106     : observer_list_(
 107           new base::ObserverListThreadSafe<ServiceWorkerContextObserver>()),
 108       process_manager_(new ServiceWorkerProcessManager(browser_context)),
 109       is_incognito_(false),
 110       storage_partition_(nullptr) {
 111   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 112 }
 113
 114 ServiceWorkerContextWrapper::~ServiceWorkerContextWrapper() {
 115 }
 116
 117 void ServiceWorkerContextWrapper::Init(
 118     const base::FilePath& user_data_directory,
 119     storage::QuotaManagerProxy* quota_manager_proxy,
 120     storage::SpecialStoragePolicy* special_storage_policy) {
 121   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 122
 123   is_incognito_ = user_data_directory.empty();
 124   base::SequencedWorkerPool* pool = BrowserThread::GetBlockingPool();
 125   scoped_ptr<ServiceWorkerDatabaseTaskManager> database_task_manager(
 126       new ServiceWorkerDatabaseTaskManagerImpl(pool));
 127   scoped_refptr<base::SingleThreadTaskRunner> disk_cache_thread =
 128       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE);
 129   InitInternal(user_data_directory,
 130                database_task_manager.Pass(),
 131                disk_cache_thread,
 132                quota_manager_proxy,
 133                special_storage_policy);
 134 }
 135
 136 void ServiceWorkerContextWrapper::Shutdown() {
 137   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 138
 139   storage_partition_ = nullptr;
 140   process_manager_->Shutdown();
 141   BrowserThread::PostTask(
 142       BrowserThread::IO,
 143       FROM_HERE,
 144       base::Bind(&ServiceWorkerContextWrapper::ShutdownOnIO, this));
 145 }
 146
 147 void ServiceWorkerContextWrapper::DeleteAndStartOver() {
 148   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 149   if (!context_core_) {
 150     // The context could be null due to system shutdown or restart failure. In
 151     // either case, we should not have to recover the system, so just return
 152     // here.
 153     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 154     return;
 155   }
 156   context_core_->DeleteAndStartOver(
 157       base::Bind(&ServiceWorkerContextWrapper::DidDeleteAndStartOver, this));
 158 }
 159
 160 StoragePartitionImpl* ServiceWorkerContextWrapper::storage_partition() const {
 161   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 162   return storage_partition_;
 163 }
 164
 165 void ServiceWorkerContextWrapper::set_storage_partition(
 166     StoragePartitionImpl* storage_partition) {
 167   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 168   storage_partition_ = storage_partition;
 169 }
 170
 171 static void FinishRegistrationOnIO(
 172     const ServiceWorkerContext::ResultCallback& continuation,
 173     ServiceWorkerStatusCode status,
 174     const std::string& status_message,
 175     int64 registration_id) {
 176   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 177   BrowserThread::PostTask(
 178       BrowserThread::UI,
 179       FROM_HERE,
 180       base::Bind(continuation, status == SERVICE_WORKER_OK));
 181 }
 182
 183 void ServiceWorkerContextWrapper::RegisterServiceWorker(
 184     const GURL& pattern,
 185     const GURL& script_url,
 186     const ResultCallback& continuation) {
 187   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 188     BrowserThread::PostTask(
 189         BrowserThread::IO,
 190         FROM_HERE,
 191         base::Bind(&ServiceWorkerContextWrapper::RegisterServiceWorker,
 192                    this,
 193                    pattern,
 194                    script_url,
 195                    continuation));
 196     return;
 197   }
 198   if (!context_core_.get()) {
 199     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 200     BrowserThread::PostTask(
 201         BrowserThread::IO,
 202         FROM_HERE,
 203         base::Bind(continuation, false));
 204     return;
 205   }
 206   context()->RegisterServiceWorker(
 207       net::SimplifyUrlForRequest(pattern),
 208       net::SimplifyUrlForRequest(script_url), NULL /* provider_host */,
 209       base::Bind(&FinishRegistrationOnIO, continuation));
 210 }
 211
 212 static void FinishUnregistrationOnIO(
 213     const ServiceWorkerContext::ResultCallback& continuation,
 214     ServiceWorkerStatusCode status) {
 215   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 216   BrowserThread::PostTask(
 217       BrowserThread::UI,
 218       FROM_HERE,
 219       base::Bind(continuation, status == SERVICE_WORKER_OK));
 220 }
 221
 222 void ServiceWorkerContextWrapper::UnregisterServiceWorker(
 223     const GURL& pattern,
 224     const ResultCallback& continuation) {
 225   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 226     BrowserThread::PostTask(
 227         BrowserThread::IO,
 228         FROM_HERE,
 229         base::Bind(&ServiceWorkerContextWrapper::UnregisterServiceWorker,
 230                    this,
 231                    pattern,
 232                    continuation));
 233     return;
 234   }
 235   if (!context_core_.get()) {
 236     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 237     BrowserThread::PostTask(
 238         BrowserThread::IO,
 239         FROM_HERE,
 240         base::Bind(continuation, false));
 241     return;
 242   }
 243
 244   context()->UnregisterServiceWorker(
 245       net::SimplifyUrlForRequest(pattern),
 246       base::Bind(&FinishUnregistrationOnIO, continuation));
 247 }
 248
 249 void ServiceWorkerContextWrapper::UpdateRegistration(const GURL& pattern) {
 250   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 251     BrowserThread::PostTask(
 252         BrowserThread::IO, FROM_HERE,
 253         base::Bind(&ServiceWorkerContextWrapper::UpdateRegistration, this,
 254                    pattern));
 255     return;
 256   }
 257   if (!context_core_.get()) {
 258     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 259     return;
 260   }
 261   context_core_->storage()->FindRegistrationForPattern(
 262       net::SimplifyUrlForRequest(pattern),
 263       base::Bind(&ServiceWorkerContextWrapper::DidFindRegistrationForUpdate,
 264                  this));
 265 }
 266
 267 void ServiceWorkerContextWrapper::StartServiceWorker(
 268     const GURL& pattern,
 269     const StatusCallback& callback) {
 270   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 271     BrowserThread::PostTask(
 272         BrowserThread::IO, FROM_HERE,
 273         base::Bind(&ServiceWorkerContextWrapper::StartServiceWorker, this,
 274                    pattern, callback));
 275     return;
 276   }
 277   if (!context_core_.get()) {
 278     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 279     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 280                             base::Bind(callback, SERVICE_WORKER_ERROR_ABORT));
 281     return;
 282   }
 283   context_core_->storage()->FindRegistrationForPattern(
 284       net::SimplifyUrlForRequest(pattern),
 285       base::Bind(&StartActiveWorkerOnIO, callback));
 286 }
 287
 288 void ServiceWorkerContextWrapper::SimulateSkipWaiting(int64_t version_id) {
 289   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 290     BrowserThread::PostTask(
 291         BrowserThread::IO, FROM_HERE,
 292         base::Bind(&ServiceWorkerContextWrapper::SimulateSkipWaiting, this,
 293                    version_id));
 294     return;
 295   }
 296   if (!context_core_.get()) {
 297     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 298     return;
 299   }
 300   ServiceWorkerVersion* version = GetLiveVersion(version_id);
 301   if (!version || version->skip_waiting())
 302     return;
 303   ServiceWorkerRegistration* registration =
 304       GetLiveRegistration(version->registration_id());
 305   if (!registration || version != registration->waiting_version())
 306     return;
 307   version->set_skip_waiting(true);
 308   registration->ActivateWaitingVersionWhenReady();
 309 }
 310
 311 static void DidFindRegistrationForDocument(
 312     const net::CompletionCallback& callback,
 313     ServiceWorkerStatusCode status,
 314     const scoped_refptr<ServiceWorkerRegistration>& registration) {
 315   int rv = registration ? net::OK : net::ERR_CACHE_MISS;
 316   // Use RunSoon here because FindRegistrationForDocument can complete
 317   // immediately but CanHandleMainResourceOffline must be async.
 318   RunSoon(base::Bind(callback, rv));
 319 }
 320
 321 void ServiceWorkerContextWrapper::CanHandleMainResourceOffline(
 322       const GURL& url,
 323       const GURL& first_party,
 324       const net::CompletionCallback& callback) {
 325   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 326   context()->storage()->FindRegistrationForDocument(
 327       net::SimplifyUrlForRequest(url),
 328       base::Bind(&DidFindRegistrationForDocument, callback));
 329 }
 330
 331 void ServiceWorkerContextWrapper::GetAllOriginsInfo(
 332     const GetUsageInfoCallback& callback) {
 333   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 334   if (!context_core_.get()) {
 335     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 336     BrowserThread::PostTask(
 337         BrowserThread::IO,
 338         FROM_HERE,
 339         base::Bind(callback, std::vector<ServiceWorkerUsageInfo>()));
 340     return;
 341   }
 342   context()->storage()->GetAllRegistrationsInfos(base::Bind(
 343       &ServiceWorkerContextWrapper::DidGetAllRegistrationsForGetAllOrigins,
 344       this, callback));
 345 }
 346
 347 void ServiceWorkerContextWrapper::DidGetAllRegistrationsForGetAllOrigins(
 348     const GetUsageInfoCallback& callback,
 349     const std::vector<ServiceWorkerRegistrationInfo>& registrations) {
 350   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 351   std::vector<ServiceWorkerUsageInfo> usage_infos;
 352
 353   std::map<GURL, ServiceWorkerUsageInfo> origins;
 354   for (const auto& registration_info : registrations) {
 355     GURL origin = registration_info.pattern.GetOrigin();
 356
 357     ServiceWorkerUsageInfo& usage_info = origins[origin];
 358     if (usage_info.origin.is_empty())
 359       usage_info.origin = origin;
 360     usage_info.scopes.push_back(registration_info.pattern);
 361     usage_info.total_size_bytes += registration_info.stored_version_size_bytes;
 362   }
 363
 364   for (const auto& origin_info_pair : origins) {
 365     usage_infos.push_back(origin_info_pair.second);
 366   }
 367   callback.Run(usage_infos);
 368 }
 369
 370 void ServiceWorkerContextWrapper::DidFindRegistrationForCheckHasServiceWorker(
 371     const GURL& other_url,
 372     const CheckHasServiceWorkerCallback& callback,
 373     ServiceWorkerStatusCode status,
 374     const scoped_refptr<ServiceWorkerRegistration>& registration) {
 375   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 376
 377   if (status != SERVICE_WORKER_OK) {
 378     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 379                             base::Bind(callback, false));
 380     return;
 381   }
 382
 383   DCHECK(registration);
 384   BrowserThread::PostTask(
 385       BrowserThread::UI, FROM_HERE,
 386       base::Bind(callback, registration->active_version() &&
 387                                ServiceWorkerUtils::ScopeMatches(
 388                                    registration->pattern(), other_url)));
 389 }
 390
 391 void ServiceWorkerContextWrapper::DidFindRegistrationForUpdate(
 392     ServiceWorkerStatusCode status,
 393     const scoped_refptr<ServiceWorkerRegistration>& registration) {
 394   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 395
 396   if (status != SERVICE_WORKER_OK)
 397     return;
 398   if (!context_core_.get()) {
 399     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 400     return;
 401   }
 402   DCHECK(registration);
 403   context_core_->UpdateServiceWorker(registration.get(),
 404                                      true /* force_bypass_cache */);
 405 }
 406
 407 namespace {
 408 void StatusCodeToBoolCallbackAdapter(
 409     const ServiceWorkerContext::ResultCallback& callback,
 410     ServiceWorkerStatusCode code) {
 411   callback.Run(code == ServiceWorkerStatusCode::SERVICE_WORKER_OK);
 412 }
 413
 414 void EmptySuccessCallback(bool success) {
 415 }
 416 }  // namespace
 417
 418 void ServiceWorkerContextWrapper::DeleteForOrigin(
 419     const GURL& origin,
 420     const ResultCallback& result) {
 421   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 422   if (!context_core_.get()) {
 423     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 424     BrowserThread::PostTask(
 425         BrowserThread::IO,
 426         FROM_HERE,
 427         base::Bind(result, false));
 428     return;
 429   }
 430   context()->UnregisterServiceWorkers(
 431       origin.GetOrigin(), base::Bind(&StatusCodeToBoolCallbackAdapter, result));
 432 }
 433
 434 void ServiceWorkerContextWrapper::DeleteForOrigin(const GURL& origin) {
 435   DeleteForOrigin(origin, base::Bind(&EmptySuccessCallback));
 436 }
 437
 438 void ServiceWorkerContextWrapper::CheckHasServiceWorker(
 439     const GURL& url,
 440     const GURL& other_url,
 441     const CheckHasServiceWorkerCallback& callback) {
 442   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 443     BrowserThread::PostTask(
 444         BrowserThread::IO, FROM_HERE,
 445         base::Bind(&ServiceWorkerContextWrapper::CheckHasServiceWorker, this,
 446                    url, other_url, callback));
 447     return;
 448   }
 449   if (!context_core_.get()) {
 450     LOG(ERROR) << "ServiceWorkerContextCore is no longer alive.";
 451     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 452                             base::Bind(callback, false));
 453     return;
 454   }
 455   context()->storage()->FindRegistrationForDocument(
 456       net::SimplifyUrlForRequest(url),
 457       base::Bind(&ServiceWorkerContextWrapper::
 458                      DidFindRegistrationForCheckHasServiceWorker,
 459                  this, net::SimplifyUrlForRequest(other_url), callback));
 460 }
 461
 462 ServiceWorkerRegistration* ServiceWorkerContextWrapper::GetLiveRegistration(
 463     int64_t registration_id) {
 464   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 465   if (!context_core_)
 466     return nullptr;
 467   return context_core_->GetLiveRegistration(registration_id);
 468 }
 469
 470 ServiceWorkerVersion* ServiceWorkerContextWrapper::GetLiveVersion(
 471     int64_t version_id) {
 472   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 473   if (!context_core_)
 474     return nullptr;
 475   return context_core_->GetLiveVersion(version_id);
 476 }
 477
 478 std::vector<ServiceWorkerRegistrationInfo>
 479 ServiceWorkerContextWrapper::GetAllLiveRegistrationInfo() {
 480   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 481   if (!context_core_)
 482     return std::vector<ServiceWorkerRegistrationInfo>();
 483   return context_core_->GetAllLiveRegistrationInfo();
 484 }
 485
 486 std::vector<ServiceWorkerVersionInfo>
 487 ServiceWorkerContextWrapper::GetAllLiveVersionInfo() {
 488   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 489   if (!context_core_)
 490     return std::vector<ServiceWorkerVersionInfo>();
 491   return context_core_->GetAllLiveVersionInfo();
 492 }
 493
 494 void ServiceWorkerContextWrapper::FindRegistrationForDocument(
 495     const GURL& document_url,
 496     const FindRegistrationCallback& callback) {
 497   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 498   if (!context_core_) {
 499     // FindRegistrationForDocument() can run the callback synchronously.
 500     callback.Run(SERVICE_WORKER_ERROR_ABORT, nullptr);
 501     return;
 502   }
 503   context_core_->storage()->FindRegistrationForDocument(
 504       net::SimplifyUrlForRequest(document_url), callback);
 505 }
 506
 507 void ServiceWorkerContextWrapper::FindRegistrationForId(
 508     int64_t registration_id,
 509     const GURL& origin,
 510     const FindRegistrationCallback& callback) {
 511   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 512   if (!context_core_) {
 513     // FindRegistrationForId() can run the callback synchronously.
 514     callback.Run(SERVICE_WORKER_ERROR_ABORT, nullptr);
 515     return;
 516   }
 517   context_core_->storage()->FindRegistrationForId(registration_id,
 518                                                   origin.GetOrigin(), callback);
 519 }
 520
 521 void ServiceWorkerContextWrapper::GetAllRegistrations(
 522     const GetRegistrationsInfosCallback& callback) {
 523   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 524   if (!context_core_) {
 525     RunSoon(base::Bind(callback, std::vector<ServiceWorkerRegistrationInfo>()));
 526     return;
 527   }
 528   context_core_->storage()->GetAllRegistrationsInfos(callback);
 529 }
 530
 531 void ServiceWorkerContextWrapper::GetRegistrationUserData(
 532     int64_t registration_id,
 533     const std::string& key,
 534     const GetUserDataCallback& callback) {
 535   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 536   if (!context_core_) {
 537     RunSoon(base::Bind(callback, std::string(), SERVICE_WORKER_ERROR_ABORT));
 538     return;
 539   }
 540   context_core_->storage()->GetUserData(registration_id, key, callback);
 541 }
 542
 543 void ServiceWorkerContextWrapper::StoreRegistrationUserData(
 544     int64_t registration_id,
 545     const GURL& origin,
 546     const std::string& key,
 547     const std::string& data,
 548     const StatusCallback& callback) {
 549   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 550   if (!context_core_) {
 551     RunSoon(base::Bind(callback, SERVICE_WORKER_ERROR_ABORT));
 552     return;
 553   }
 554   context_core_->storage()->StoreUserData(registration_id, origin.GetOrigin(),
 555                                           key, data, callback);
 556 }
 557
 558 void ServiceWorkerContextWrapper::ClearRegistrationUserData(
 559     int64_t registration_id,
 560     const std::string& key,
 561     const StatusCallback& callback) {
 562   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 563   if (!context_core_) {
 564     RunSoon(base::Bind(callback, SERVICE_WORKER_ERROR_ABORT));
 565     return;
 566   }
 567   context_core_->storage()->ClearUserData(registration_id, key, callback);
 568 }
 569
 570 void ServiceWorkerContextWrapper::GetUserDataForAllRegistrations(
 571     const std::string& key,
 572     const GetUserDataForAllRegistrationsCallback& callback) {
 573   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 574   if (!context_core_) {
 575     RunSoon(base::Bind(callback, std::vector<std::pair<int64_t, std::string>>(),
 576                        SERVICE_WORKER_ERROR_ABORT));
 577     return;
 578   }
 579   context_core_->storage()->GetUserDataForAllRegistrations(key, callback);
 580 }
 581
 582 void ServiceWorkerContextWrapper::AddObserver(
 583     ServiceWorkerContextObserver* observer) {
 584   observer_list_->AddObserver(observer);
 585 }
 586
 587 void ServiceWorkerContextWrapper::RemoveObserver(
 588     ServiceWorkerContextObserver* observer) {
 589   observer_list_->RemoveObserver(observer);
 590 }
 591
 592 void ServiceWorkerContextWrapper::InitInternal(
 593     const base::FilePath& user_data_directory,
 594     scoped_ptr<ServiceWorkerDatabaseTaskManager> database_task_manager,
 595     const scoped_refptr<base::SingleThreadTaskRunner>& disk_cache_thread,
 596     storage::QuotaManagerProxy* quota_manager_proxy,
 597     storage::SpecialStoragePolicy* special_storage_policy) {
 598   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 599     BrowserThread::PostTask(
 600         BrowserThread::IO,
 601         FROM_HERE,
 602         base::Bind(&ServiceWorkerContextWrapper::InitInternal,
 603                    this,
 604                    user_data_directory,
 605                    base::Passed(&database_task_manager),
 606                    disk_cache_thread,
 607                    make_scoped_refptr(quota_manager_proxy),
 608                    make_scoped_refptr(special_storage_policy)));
 609     return;
 610   }
 611   // TODO(pkasting): Remove ScopedTracker below once crbug.com/477117 is fixed.
 612   tracked_objects::ScopedTracker tracking_profile(
 613       FROM_HERE_WITH_EXPLICIT_FUNCTION(
 614           "477117 ServiceWorkerContextWrapper::InitInternal"));
 615   DCHECK(!context_core_);
 616   if (quota_manager_proxy) {
 617     quota_manager_proxy->RegisterClient(new ServiceWorkerQuotaClient(this));
 618   }
 619   context_core_.reset(new ServiceWorkerContextCore(user_data_directory,
 620                                                    database_task_manager.Pass(),
 621                                                    disk_cache_thread,
 622                                                    quota_manager_proxy,
 623                                                    special_storage_policy,
 624                                                    observer_list_.get(),
 625                                                    this));
 626 }
 627
 628 void ServiceWorkerContextWrapper::ShutdownOnIO() {
 629   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 630   context_core_.reset();
 631 }
 632
 633 void ServiceWorkerContextWrapper::DidDeleteAndStartOver(
 634     ServiceWorkerStatusCode status) {
 635   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 636   if (status != SERVICE_WORKER_OK) {
 637     context_core_.reset();
 638     return;
 639   }
 640   context_core_.reset(new ServiceWorkerContextCore(context_core_.get(), this));
 641   DVLOG(1) << "Restarted ServiceWorkerContextCore successfully.";
 642
 643   observer_list_->Notify(FROM_HERE,
 644                          &ServiceWorkerContextObserver::OnStorageWiped);
 645 }
 646
 647 ServiceWorkerContextCore* ServiceWorkerContextWrapper::context() {
 648   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 649   return context_core_.get();
 650 }
 651
 652 }  // namespace content