- add sources.
[platform/framework/web/crosswalk.git] / src / content / browser / storage_partition_impl.cc
1 // Copyright (c) 2012 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/storage_partition_impl.h"
6
7 #include "base/sequenced_task_runner.h"
8 #include "base/strings/utf_string_conversions.h"
9 #include "content/browser/browser_main_loop.h"
10 #include "content/browser/fileapi/browser_file_system_helper.h"
11 #include "content/browser/gpu/shader_disk_cache.h"
12 #include "content/common/dom_storage/dom_storage_types.h"
13 #include "content/public/browser/browser_context.h"
14 #include "content/public/browser/browser_thread.h"
15 #include "content/public/browser/dom_storage_context.h"
16 #include "content/public/browser/indexed_db_context.h"
17 #include "content/public/browser/local_storage_usage_info.h"
18 #include "content/public/browser/session_storage_usage_info.h"
19 #include "net/base/completion_callback.h"
20 #include "net/base/net_errors.h"
21 #include "net/cookies/cookie_monster.h"
22 #include "net/url_request/url_request_context.h"
23 #include "net/url_request/url_request_context_getter.h"
24 #include "webkit/browser/database/database_tracker.h"
25 #include "webkit/browser/quota/quota_manager.h"
26
27 namespace content {
28
29 namespace {
30
31 int GenerateQuotaClientMask(uint32 remove_mask) {
32   int quota_client_mask = 0;
33
34   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_FILE_SYSTEMS)
35     quota_client_mask |= quota::QuotaClient::kFileSystem;
36   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_WEBSQL)
37     quota_client_mask |= quota::QuotaClient::kDatabase;
38   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_APPCACHE)
39     quota_client_mask |= quota::QuotaClient::kAppcache;
40   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_INDEXEDDB)
41     quota_client_mask |= quota::QuotaClient::kIndexedDatabase;
42
43   return quota_client_mask;
44 }
45
46 void OnClearedCookies(const base::Closure& callback, int num_deleted) {
47   // The final callback needs to happen from UI thread.
48   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
49     BrowserThread::PostTask(
50         BrowserThread::UI, FROM_HERE,
51         base::Bind(&OnClearedCookies, callback, num_deleted));
52     return;
53   }
54
55   callback.Run();
56 }
57
58 void ClearCookiesOnIOThread(
59     const scoped_refptr<net::URLRequestContextGetter>& rq_context,
60     const base::Time begin,
61     const base::Time end,
62     const GURL& remove_origin,
63     const base::Closure& callback) {
64   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
65   net::CookieStore* cookie_store = rq_context->
66       GetURLRequestContext()->cookie_store();
67   if (remove_origin.is_empty()) {
68     cookie_store->GetCookieMonster()->DeleteAllCreatedBetweenAsync(
69         begin,
70         end,
71         base::Bind(&OnClearedCookies, callback));
72   } else {
73     cookie_store->GetCookieMonster()->DeleteAllCreatedBetweenForHostAsync(
74         begin,
75         end,
76         remove_origin, base::Bind(&OnClearedCookies, callback));
77   }
78 }
79
80 void OnQuotaManagedOriginDeleted(const GURL& origin,
81                                  quota::StorageType type,
82                                  size_t* origins_to_delete_count,
83                                  const base::Closure& callback,
84                                  quota::QuotaStatusCode status) {
85   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
86   DCHECK_GT(*origins_to_delete_count, 0u);
87   if (status != quota::kQuotaStatusOk) {
88     DLOG(ERROR) << "Couldn't remove data of type " << type << " for origin "
89                 << origin << ". Status: " << status;
90   }
91
92   (*origins_to_delete_count)--;
93   if (*origins_to_delete_count == 0) {
94     delete origins_to_delete_count;
95     callback.Run();
96   }
97 }
98
99 void ClearQuotaManagedOriginsOnIOThread(quota::QuotaManager* quota_manager,
100                                         uint32 remove_mask,
101                                         const base::Closure& callback,
102                                         const std::set<GURL>& origins,
103                                         quota::StorageType quota_storage_type) {
104   // The QuotaManager manages all storage other than cookies, LocalStorage,
105   // and SessionStorage. This loop wipes out most HTML5 storage for the given
106   // origins.
107   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
108
109   if (!origins.size()) {
110     // No origins to clear.
111     callback.Run();
112     return;
113   }
114
115   size_t* origins_to_delete_count = new size_t(origins.size());
116   for (std::set<GURL>::const_iterator origin = origins.begin();
117        origin != origins.end(); ++origin) {
118     quota_manager->DeleteOriginData(
119         *origin, quota_storage_type,
120         GenerateQuotaClientMask(remove_mask),
121         base::Bind(&OnQuotaManagedOriginDeleted,
122                    origin->GetOrigin(), quota_storage_type,
123                    origins_to_delete_count, callback));
124   }
125 }
126
127 void ClearedShaderCache(const base::Closure& callback) {
128   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
129     BrowserThread::PostTask(
130         BrowserThread::UI, FROM_HERE,
131         base::Bind(&ClearedShaderCache, callback));
132     return;
133   }
134   callback.Run();
135 }
136
137 void ClearShaderCacheOnIOThread(const base::FilePath& path,
138                                 const base::Time begin,
139                                 const base::Time end,
140                                 const base::Closure& callback) {
141   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
142   ShaderCacheFactory::GetInstance()->ClearByPath(
143       path, begin, end, base::Bind(&ClearedShaderCache, callback));
144 }
145
146 void OnLocalStorageUsageInfo(
147     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
148     const base::Time delete_begin,
149     const base::Time delete_end,
150     const base::Closure& callback,
151     const std::vector<LocalStorageUsageInfo>& infos) {
152   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
153
154   for (size_t i = 0; i < infos.size(); ++i) {
155     if (infos[i].last_modified >= delete_begin &&
156         infos[i].last_modified <= delete_end) {
157       dom_storage_context->DeleteLocalStorage(infos[i].origin);
158     }
159   }
160   callback.Run();
161 }
162
163 void OnSessionStorageUsageInfo(
164     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
165     const base::Closure& callback,
166     const std::vector<SessionStorageUsageInfo>& infos) {
167   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
168
169   for (size_t i = 0; i < infos.size(); ++i)
170     dom_storage_context->DeleteSessionStorage(infos[i]);
171
172   callback.Run();
173 }
174
175 void ClearLocalStorageOnUIThread(
176     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
177     const GURL& remove_origin,
178     const base::Time begin,
179     const base::Time end,
180     const base::Closure& callback) {
181   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
182
183   if (!remove_origin.is_empty()) {
184     dom_storage_context->DeleteLocalStorage(remove_origin);
185     callback.Run();
186     return;
187   }
188
189   dom_storage_context->GetLocalStorageUsage(
190       base::Bind(&OnLocalStorageUsageInfo,
191                  dom_storage_context, begin, end, callback));
192 }
193
194 void ClearSessionStorageOnUIThread(
195     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
196     const base::Closure& callback) {
197   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
198
199   dom_storage_context->GetSessionStorageUsage(
200       base::Bind(&OnSessionStorageUsageInfo, dom_storage_context, callback));
201 }
202
203 }  // namespace
204
205 // Helper for deleting quota managed data from a partition.
206 //
207 // Most of the operations in this class are done on IO thread.
208 struct StoragePartitionImpl::QuotaManagedDataDeletionHelper {
209   QuotaManagedDataDeletionHelper(const base::Closure& callback)
210       : callback(callback), task_count(0) {
211   }
212
213   void IncrementTaskCountOnIO();
214   void DecrementTaskCountOnIO();
215
216   void ClearDataOnIOThread(
217       const scoped_refptr<quota::QuotaManager>& quota_manager,
218       const base::Time begin,
219       uint32 remove_mask,
220       uint32 quota_storage_remove_mask,
221       const GURL& remove_origin);
222
223   // Accessed on IO thread.
224   const base::Closure callback;
225   // Accessed on IO thread.
226   int task_count;
227 };
228
229 // Helper for deleting all sorts of data from a partition, keeps track of
230 // deletion status.
231 //
232 // StoragePartitionImpl creates an instance of this class to keep track of
233 // data deletion progress. Deletion requires deleting multiple bits of data
234 // (e.g. cookies, local storage, session storage etc.) and hopping between UI
235 // and IO thread. An instance of this class is created in the beginning of
236 // deletion process (StoragePartitionImpl::ClearDataImpl) and the instance is
237 // forwarded and updated on each (sub) deletion's callback. The instance is
238 // finally destroyed when deletion completes (and |callback| is invoked).
239 struct StoragePartitionImpl::DataDeletionHelper {
240   DataDeletionHelper(const base::Closure& callback)
241       : callback(callback), task_count(0) {
242   }
243
244   void IncrementTaskCountOnUI();
245   void DecrementTaskCountOnUI();
246
247   void ClearDataOnUIThread(uint32 remove_mask,
248                            uint32 quota_storage_remove_mask,
249                            const GURL& remove_origin,
250                            const base::FilePath& path,
251                            net::URLRequestContextGetter* rq_context,
252                            DOMStorageContextWrapper* dom_storage_context,
253                            quota::QuotaManager* quota_manager,
254                            WebRTCIdentityStore* webrtc_identity_store,
255                            const base::Time begin,
256                            const base::Time end);
257
258   // Accessed on UI thread.
259   const base::Closure callback;
260   // Accessed on UI thread.
261   int task_count;
262 };
263
264 void ClearQuotaManagedDataOnIOThread(
265     const scoped_refptr<quota::QuotaManager>& quota_manager,
266     const base::Time begin,
267     uint32 remove_mask,
268     uint32 quota_storage_remove_mask,
269     const GURL& remove_origin,
270     const base::Closure& callback) {
271   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
272
273   StoragePartitionImpl::QuotaManagedDataDeletionHelper* helper =
274       new StoragePartitionImpl::QuotaManagedDataDeletionHelper(callback);
275   helper->ClearDataOnIOThread(quota_manager, begin,
276       remove_mask, quota_storage_remove_mask, remove_origin);
277 }
278
279 StoragePartitionImpl::StoragePartitionImpl(
280     const base::FilePath& partition_path,
281     quota::QuotaManager* quota_manager,
282     ChromeAppCacheService* appcache_service,
283     fileapi::FileSystemContext* filesystem_context,
284     webkit_database::DatabaseTracker* database_tracker,
285     DOMStorageContextWrapper* dom_storage_context,
286     IndexedDBContextImpl* indexed_db_context,
287     ServiceWorkerContext* service_worker_context,
288     WebRTCIdentityStore* webrtc_identity_store)
289     : partition_path_(partition_path),
290       quota_manager_(quota_manager),
291       appcache_service_(appcache_service),
292       filesystem_context_(filesystem_context),
293       database_tracker_(database_tracker),
294       dom_storage_context_(dom_storage_context),
295       indexed_db_context_(indexed_db_context),
296       service_worker_context_(service_worker_context),
297       webrtc_identity_store_(webrtc_identity_store) {}
298
299 StoragePartitionImpl::~StoragePartitionImpl() {
300   // These message loop checks are just to avoid leaks in unittests.
301   if (GetDatabaseTracker() &&
302       BrowserThread::IsMessageLoopValid(BrowserThread::FILE)) {
303     BrowserThread::PostTask(
304         BrowserThread::FILE, FROM_HERE,
305         base::Bind(&webkit_database::DatabaseTracker::Shutdown,
306                    GetDatabaseTracker()));
307   }
308
309   if (GetFileSystemContext())
310     GetFileSystemContext()->Shutdown();
311
312   if (GetDOMStorageContext())
313     GetDOMStorageContext()->Shutdown();
314 }
315
316 // TODO(ajwong): Break the direct dependency on |context|. We only
317 // need 3 pieces of info from it.
318 StoragePartitionImpl* StoragePartitionImpl::Create(
319     BrowserContext* context,
320     bool in_memory,
321     const base::FilePath& partition_path) {
322   // Ensure that these methods are called on the UI thread, except for
323   // unittests where a UI thread might not have been created.
324   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) ||
325          !BrowserThread::IsMessageLoopValid(BrowserThread::UI));
326
327   // All of the clients have to be created and registered with the
328   // QuotaManager prior to the QuotaManger being used. We do them
329   // all together here prior to handing out a reference to anything
330   // that utilizes the QuotaManager.
331   scoped_refptr<quota::QuotaManager> quota_manager = new quota::QuotaManager(
332       in_memory,
333       partition_path,
334       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get(),
335       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB).get(),
336       context->GetSpecialStoragePolicy());
337
338   // Each consumer is responsible for registering its QuotaClient during
339   // its construction.
340   scoped_refptr<fileapi::FileSystemContext> filesystem_context =
341       CreateFileSystemContext(context,
342                               partition_path, in_memory,
343                               quota_manager->proxy());
344
345   scoped_refptr<webkit_database::DatabaseTracker> database_tracker =
346       new webkit_database::DatabaseTracker(
347           partition_path,
348           in_memory,
349           context->GetSpecialStoragePolicy(),
350           quota_manager->proxy(),
351           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)
352               .get());
353
354   base::FilePath path = in_memory ? base::FilePath() : partition_path;
355   scoped_refptr<DOMStorageContextWrapper> dom_storage_context =
356       new DOMStorageContextWrapper(path, context->GetSpecialStoragePolicy());
357
358   // BrowserMainLoop may not be initialized in unit tests. Tests will
359   // need to inject their own task runner into the IndexedDBContext.
360   base::SequencedTaskRunner* idb_task_runner =
361       BrowserThread::CurrentlyOn(BrowserThread::UI) &&
362               BrowserMainLoop::GetInstance()
363           ? BrowserMainLoop::GetInstance()->indexed_db_thread()
364                 ->message_loop_proxy().get()
365           : NULL;
366   scoped_refptr<IndexedDBContextImpl> indexed_db_context =
367       new IndexedDBContextImpl(path,
368                                context->GetSpecialStoragePolicy(),
369                                quota_manager->proxy(),
370                                idb_task_runner);
371
372   scoped_refptr<ServiceWorkerContext> service_worker_context =
373       new ServiceWorkerContext(path, quota_manager->proxy());
374
375   scoped_refptr<ChromeAppCacheService> appcache_service =
376       new ChromeAppCacheService(quota_manager->proxy());
377
378   scoped_refptr<WebRTCIdentityStore> webrtc_identity_store(
379       new WebRTCIdentityStore(path, context->GetSpecialStoragePolicy()));
380
381   return new StoragePartitionImpl(partition_path,
382                                   quota_manager.get(),
383                                   appcache_service.get(),
384                                   filesystem_context.get(),
385                                   database_tracker.get(),
386                                   dom_storage_context.get(),
387                                   indexed_db_context.get(),
388                                   service_worker_context.get(),
389                                   webrtc_identity_store.get());
390 }
391
392 base::FilePath StoragePartitionImpl::GetPath() {
393   return partition_path_;
394 }
395
396 net::URLRequestContextGetter* StoragePartitionImpl::GetURLRequestContext() {
397   return url_request_context_.get();
398 }
399
400 net::URLRequestContextGetter*
401 StoragePartitionImpl::GetMediaURLRequestContext() {
402   return media_url_request_context_.get();
403 }
404
405 quota::QuotaManager* StoragePartitionImpl::GetQuotaManager() {
406   return quota_manager_.get();
407 }
408
409 ChromeAppCacheService* StoragePartitionImpl::GetAppCacheService() {
410   return appcache_service_.get();
411 }
412
413 fileapi::FileSystemContext* StoragePartitionImpl::GetFileSystemContext() {
414   return filesystem_context_.get();
415 }
416
417 webkit_database::DatabaseTracker* StoragePartitionImpl::GetDatabaseTracker() {
418   return database_tracker_.get();
419 }
420
421 DOMStorageContextWrapper* StoragePartitionImpl::GetDOMStorageContext() {
422   return dom_storage_context_.get();
423 }
424
425 IndexedDBContextImpl* StoragePartitionImpl::GetIndexedDBContext() {
426   return indexed_db_context_.get();
427 }
428
429 ServiceWorkerContext* StoragePartitionImpl::GetServiceWorkerContext() {
430   return service_worker_context_.get();
431 }
432
433 void StoragePartitionImpl::ClearDataImpl(
434     uint32 remove_mask,
435     uint32 quota_storage_remove_mask,
436     const GURL& remove_origin,
437     net::URLRequestContextGetter* rq_context,
438     const base::Time begin,
439     const base::Time end,
440     const base::Closure& callback) {
441   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
442   DataDeletionHelper* helper = new DataDeletionHelper(callback);
443   // |helper| deletes itself when done in
444   // DataDeletionHelper::DecrementTaskCountOnUI().
445   helper->ClearDataOnUIThread(
446       remove_mask, quota_storage_remove_mask, remove_origin,
447       GetPath(), rq_context, dom_storage_context_, quota_manager_,
448       webrtc_identity_store_, begin, end);
449 }
450
451 void StoragePartitionImpl::
452     QuotaManagedDataDeletionHelper::IncrementTaskCountOnIO() {
453   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
454   ++task_count;
455 }
456
457 void StoragePartitionImpl::
458     QuotaManagedDataDeletionHelper::DecrementTaskCountOnIO() {
459   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
460   DCHECK_GT(task_count, 0);
461   --task_count;
462   if (task_count)
463     return;
464
465   callback.Run();
466   delete this;
467 }
468
469 void StoragePartitionImpl::QuotaManagedDataDeletionHelper::ClearDataOnIOThread(
470     const scoped_refptr<quota::QuotaManager>& quota_manager,
471     const base::Time begin,
472     uint32 remove_mask,
473     uint32 quota_storage_remove_mask,
474     const GURL& remove_origin) {
475   std::set<GURL> origins;
476   if (!remove_origin.is_empty())
477     origins.insert(remove_origin);
478
479   IncrementTaskCountOnIO();
480   base::Closure decrement_callback = base::Bind(
481       &QuotaManagedDataDeletionHelper::DecrementTaskCountOnIO,
482       base::Unretained(this));
483
484   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_PERSISTENT) {
485     IncrementTaskCountOnIO();
486     if (origins.empty()) {  // Remove for all origins.
487       // Ask the QuotaManager for all origins with temporary quota modified
488       // within the user-specified timeframe, and deal with the resulting set in
489       // ClearQuotaManagedOriginsOnIOThread().
490       quota_manager->GetOriginsModifiedSince(
491           quota::kStorageTypePersistent, begin,
492           base::Bind(&ClearQuotaManagedOriginsOnIOThread,
493                      quota_manager, remove_mask, decrement_callback));
494     } else {
495       ClearQuotaManagedOriginsOnIOThread(
496           quota_manager, remove_mask, decrement_callback,
497           origins, quota::kStorageTypePersistent);
498     }
499   }
500
501   // Do the same for temporary quota.
502   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_TEMPORARY) {
503     IncrementTaskCountOnIO();
504     if (origins.empty()) {  // Remove for all origins.
505       quota_manager->GetOriginsModifiedSince(
506           quota::kStorageTypeTemporary, begin,
507           base::Bind(&ClearQuotaManagedOriginsOnIOThread,
508                      quota_manager, remove_mask, decrement_callback));
509     } else {
510       ClearQuotaManagedOriginsOnIOThread(
511           quota_manager, remove_mask, decrement_callback,
512           origins, quota::kStorageTypeTemporary);
513     }
514   }
515
516   // Do the same for syncable quota.
517   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_SYNCABLE) {
518     IncrementTaskCountOnIO();
519     if (origins.empty()) {  // Remove for all origins.
520       quota_manager->GetOriginsModifiedSince(
521           quota::kStorageTypeSyncable, begin,
522           base::Bind(&ClearQuotaManagedOriginsOnIOThread,
523                      quota_manager, remove_mask, decrement_callback));
524     } else {
525       ClearQuotaManagedOriginsOnIOThread(
526           quota_manager, remove_mask, decrement_callback,
527           origins, quota::kStorageTypeSyncable);
528     }
529   }
530
531   DecrementTaskCountOnIO();
532 }
533
534 void StoragePartitionImpl::DataDeletionHelper::IncrementTaskCountOnUI() {
535   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
536   ++task_count;
537 }
538
539 void StoragePartitionImpl::DataDeletionHelper::DecrementTaskCountOnUI() {
540   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
541     BrowserThread::PostTask(
542         BrowserThread::UI, FROM_HERE,
543         base::Bind(&DataDeletionHelper::DecrementTaskCountOnUI,
544                    base::Unretained(this)));
545     return;
546   }
547   DCHECK_GT(task_count, 0);
548   --task_count;
549   if (!task_count) {
550     callback.Run();
551     delete this;
552   }
553 }
554
555 void StoragePartitionImpl::DataDeletionHelper::ClearDataOnUIThread(
556     uint32 remove_mask,
557     uint32 quota_storage_remove_mask,
558     const GURL& remove_origin,
559     const base::FilePath& path,
560     net::URLRequestContextGetter* rq_context,
561     DOMStorageContextWrapper* dom_storage_context,
562     quota::QuotaManager* quota_manager,
563     WebRTCIdentityStore* webrtc_identity_store,
564     const base::Time begin,
565     const base::Time end) {
566   DCHECK_NE(remove_mask, 0u);
567   DCHECK(!callback.is_null());
568
569   IncrementTaskCountOnUI();
570   base::Closure decrement_callback = base::Bind(
571       &DataDeletionHelper::DecrementTaskCountOnUI, base::Unretained(this));
572
573   if (remove_mask & REMOVE_DATA_MASK_COOKIES) {
574     // Handle the cookies.
575     IncrementTaskCountOnUI();
576     BrowserThread::PostTask(
577         BrowserThread::IO, FROM_HERE,
578         base::Bind(&ClearCookiesOnIOThread,
579                    make_scoped_refptr(rq_context), begin, end, remove_origin,
580                    decrement_callback));
581   }
582
583   if (remove_mask & REMOVE_DATA_MASK_INDEXEDDB ||
584       remove_mask & REMOVE_DATA_MASK_WEBSQL ||
585       remove_mask & REMOVE_DATA_MASK_APPCACHE ||
586       remove_mask & REMOVE_DATA_MASK_FILE_SYSTEMS) {
587     IncrementTaskCountOnUI();
588     BrowserThread::PostTask(
589         BrowserThread::IO, FROM_HERE,
590         base::Bind(&ClearQuotaManagedDataOnIOThread,
591                    make_scoped_refptr(quota_manager), begin,
592                    remove_mask, quota_storage_remove_mask, remove_origin,
593                    decrement_callback));
594   }
595
596   if (remove_mask & REMOVE_DATA_MASK_LOCAL_STORAGE) {
597     IncrementTaskCountOnUI();
598     ClearLocalStorageOnUIThread(
599         make_scoped_refptr(dom_storage_context),
600         remove_origin, begin, end, decrement_callback);
601
602     // ClearDataImpl cannot clear session storage data when a particular origin
603     // is specified. Therefore we ignore clearing session storage in this case.
604     // TODO(lazyboy): Fix.
605     if (remove_origin.is_empty()) {
606       IncrementTaskCountOnUI();
607       ClearSessionStorageOnUIThread(
608           make_scoped_refptr(dom_storage_context), decrement_callback);
609     }
610   }
611
612   if (remove_mask & REMOVE_DATA_MASK_SHADER_CACHE) {
613     IncrementTaskCountOnUI();
614     BrowserThread::PostTask(
615         BrowserThread::IO, FROM_HERE,
616         base::Bind(&ClearShaderCacheOnIOThread,
617                    path, begin, end, decrement_callback));
618   }
619
620   if (remove_mask & REMOVE_DATA_MASK_WEBRTC_IDENTITY) {
621     IncrementTaskCountOnUI();
622     BrowserThread::PostTask(
623         BrowserThread::IO,
624         FROM_HERE,
625         base::Bind(&WebRTCIdentityStore::DeleteBetween,
626                    webrtc_identity_store,
627                    begin,
628                    end,
629                    decrement_callback));
630   }
631
632   DecrementTaskCountOnUI();
633 }
634
635
636 void StoragePartitionImpl::ClearDataForOrigin(
637     uint32 remove_mask,
638     uint32 quota_storage_remove_mask,
639     const GURL& storage_origin,
640     net::URLRequestContextGetter* request_context_getter) {
641   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
642   ClearDataImpl(remove_mask, quota_storage_remove_mask, storage_origin,
643                 request_context_getter, base::Time(), base::Time::Max(),
644                 base::Bind(&base::DoNothing));
645 }
646
647 void StoragePartitionImpl::ClearDataForUnboundedRange(
648     uint32 remove_mask,
649     uint32 quota_storage_remove_mask) {
650   ClearDataImpl(remove_mask, quota_storage_remove_mask, GURL(),
651                 GetURLRequestContext(), base::Time(), base::Time::Max(),
652                 base::Bind(&base::DoNothing));
653 }
654
655 void StoragePartitionImpl::ClearDataForRange(uint32 remove_mask,
656                                              uint32 quota_storage_remove_mask,
657                                              const base::Time& begin,
658                                              const base::Time& end,
659                                              const base::Closure& callback) {
660   ClearDataImpl(remove_mask, quota_storage_remove_mask, GURL(),
661                 GetURLRequestContext(), begin, end, callback);
662 }
663
664 WebRTCIdentityStore* StoragePartitionImpl::GetWebRTCIdentityStore() {
665   return webrtc_identity_store_.get();
666 }
667
668 void StoragePartitionImpl::SetURLRequestContext(
669     net::URLRequestContextGetter* url_request_context) {
670   url_request_context_ = url_request_context;
671 }
672
673 void StoragePartitionImpl::SetMediaURLRequestContext(
674     net::URLRequestContextGetter* media_url_request_context) {
675   media_url_request_context_ = media_url_request_context;
676 }
677
678 }  // namespace content