content/browser/indexed_db/indexed_db_context_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/indexed_db/indexed_db_context_impl.h"
   6
   7 #include <algorithm>
   8 #include <utility>
   9
  10 #include "base/bind.h"
  11 #include "base/command_line.h"
  12 #include "base/files/file_enumerator.h"
  13 #include "base/files/file_util.h"
  14 #include "base/logging.h"
  15 #include "base/metrics/histogram.h"
  16 #include "base/sequenced_task_runner.h"
  17 #include "base/strings/string_util.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/thread_restrictions.h"
  20 #include "base/time/time.h"
  21 #include "base/values.h"
  22 #include "content/browser/browser_main_loop.h"
  23 #include "content/browser/indexed_db/indexed_db_connection.h"
  24 #include "content/browser/indexed_db/indexed_db_database.h"
  25 #include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
  26 #include "content/browser/indexed_db/indexed_db_factory_impl.h"
  27 #include "content/browser/indexed_db/indexed_db_quota_client.h"
  28 #include "content/browser/indexed_db/indexed_db_tracing.h"
  29 #include "content/browser/indexed_db/indexed_db_transaction.h"
  30 #include "content/public/browser/browser_thread.h"
  31 #include "content/public/browser/indexed_db_info.h"
  32 #include "content/public/common/content_switches.h"
  33 #include "storage/browser/database/database_util.h"
  34 #include "storage/browser/quota/quota_manager_proxy.h"
  35 #include "storage/browser/quota/special_storage_policy.h"
  36 #include "storage/common/database/database_identifier.h"
  37 #include "ui/base/text/bytes_formatting.h"
  38
  39 using base::DictionaryValue;
  40 using base::ListValue;
  41 using storage::DatabaseUtil;
  42
  43 namespace content {
  44 const base::FilePath::CharType IndexedDBContextImpl::kIndexedDBDirectory[] =
  45     FILE_PATH_LITERAL("IndexedDB");
  46
  47 static const base::FilePath::CharType kBlobExtension[] =
  48     FILE_PATH_LITERAL(".blob");
  49
  50 static const base::FilePath::CharType kIndexedDBExtension[] =
  51     FILE_PATH_LITERAL(".indexeddb");
  52
  53 static const base::FilePath::CharType kLevelDBExtension[] =
  54     FILE_PATH_LITERAL(".leveldb");
  55
  56 namespace {
  57
  58 // This may be called after the IndexedDBContext is destroyed.
  59 void GetAllOriginsAndPaths(const base::FilePath& indexeddb_path,
  60                            std::vector<GURL>* origins,
  61                            std::vector<base::FilePath>* file_paths) {
  62   // TODO(jsbell): DCHECK that this is running on an IndexedDB thread,
  63   // if a global handle to it is ever available.
  64   if (indexeddb_path.empty())
  65     return;
  66   base::FileEnumerator file_enumerator(
  67       indexeddb_path, false, base::FileEnumerator::DIRECTORIES);
  68   for (base::FilePath file_path = file_enumerator.Next(); !file_path.empty();
  69        file_path = file_enumerator.Next()) {
  70     if (file_path.Extension() == kLevelDBExtension &&
  71         file_path.RemoveExtension().Extension() == kIndexedDBExtension) {
  72       std::string origin_id = file_path.BaseName().RemoveExtension()
  73           .RemoveExtension().MaybeAsASCII();
  74       origins->push_back(storage::GetOriginFromIdentifier(origin_id));
  75       if (file_paths)
  76         file_paths->push_back(file_path);
  77     }
  78   }
  79 }
  80
  81 // This will be called after the IndexedDBContext is destroyed.
  82 void ClearSessionOnlyOrigins(
  83     const base::FilePath& indexeddb_path,
  84     scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy) {
  85   // TODO(jsbell): DCHECK that this is running on an IndexedDB thread,
  86   // if a global handle to it is ever available.
  87   std::vector<GURL> origins;
  88   std::vector<base::FilePath> file_paths;
  89   GetAllOriginsAndPaths(indexeddb_path, &origins, &file_paths);
  90   DCHECK_EQ(origins.size(), file_paths.size());
  91   std::vector<base::FilePath>::const_iterator file_path_iter =
  92       file_paths.begin();
  93   for (std::vector<GURL>::const_iterator iter = origins.begin();
  94        iter != origins.end();
  95        ++iter, ++file_path_iter) {
  96     if (!special_storage_policy->IsStorageSessionOnly(*iter))
  97       continue;
  98     if (special_storage_policy->IsStorageProtected(*iter))
  99       continue;
 100     base::DeleteFile(*file_path_iter, true);
 101   }
 102 }
 103
 104 }  // namespace
 105
 106 IndexedDBContextImpl::IndexedDBContextImpl(
 107     const base::FilePath& data_path,
 108     storage::SpecialStoragePolicy* special_storage_policy,
 109     storage::QuotaManagerProxy* quota_manager_proxy,
 110     base::SequencedTaskRunner* task_runner)
 111     : force_keep_session_state_(false),
 112       special_storage_policy_(special_storage_policy),
 113       quota_manager_proxy_(quota_manager_proxy),
 114       task_runner_(task_runner) {
 115   IDB_TRACE("init");
 116   if (!data_path.empty())
 117     data_path_ = data_path.Append(kIndexedDBDirectory);
 118   if (quota_manager_proxy) {
 119     quota_manager_proxy->RegisterClient(new IndexedDBQuotaClient(this));
 120   }
 121 }
 122
 123 IndexedDBFactory* IndexedDBContextImpl::GetIDBFactory() {
 124   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 125   if (!factory_.get()) {
 126     // Prime our cache of origins with existing databases so we can
 127     // detect when dbs are newly created.
 128     GetOriginSet();
 129     factory_ = new IndexedDBFactoryImpl(this);
 130   }
 131   return factory_.get();
 132 }
 133
 134 std::vector<GURL> IndexedDBContextImpl::GetAllOrigins() {
 135   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 136   std::set<GURL>* origins_set = GetOriginSet();
 137   return std::vector<GURL>(origins_set->begin(), origins_set->end());
 138 }
 139
 140 std::vector<IndexedDBInfo> IndexedDBContextImpl::GetAllOriginsInfo() {
 141   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 142   std::vector<GURL> origins = GetAllOrigins();
 143   std::vector<IndexedDBInfo> result;
 144   for (const auto& origin_url : origins) {
 145     size_t connection_count = GetConnectionCount(origin_url);
 146     result.push_back(IndexedDBInfo(origin_url,
 147                                    GetOriginDiskUsage(origin_url),
 148                                    GetOriginLastModified(origin_url),
 149                                    connection_count));
 150   }
 151   return result;
 152 }
 153
 154 static bool HostNameComparator(const GURL& i, const GURL& j) {
 155   return i.host() < j.host();
 156 }
 157
 158 base::ListValue* IndexedDBContextImpl::GetAllOriginsDetails() {
 159   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 160   std::vector<GURL> origins = GetAllOrigins();
 161
 162   std::sort(origins.begin(), origins.end(), HostNameComparator);
 163
 164   scoped_ptr<base::ListValue> list(new base::ListValue());
 165   for (const auto& origin_url : origins) {
 166     scoped_ptr<base::DictionaryValue> info(new base::DictionaryValue());
 167     info->SetString("url", origin_url.spec());
 168     info->SetString("size", ui::FormatBytes(GetOriginDiskUsage(origin_url)));
 169     info->SetDouble("last_modified",
 170                     GetOriginLastModified(origin_url).ToJsTime());
 171     if (!is_incognito()) {
 172       scoped_ptr<base::ListValue> paths(new base::ListValue());
 173       for (const base::FilePath& path : GetStoragePaths(origin_url))
 174         paths->AppendString(path.value());
 175       info->Set("paths", paths.release());
 176     }
 177     info->SetDouble("connection_count", GetConnectionCount(origin_url));
 178
 179     // This ends up being O(n^2) since we iterate over all open databases
 180     // to extract just those in the origin, and we're iterating over all
 181     // origins in the outer loop.
 182
 183     if (factory_.get()) {
 184       std::pair<IndexedDBFactory::OriginDBMapIterator,
 185                 IndexedDBFactory::OriginDBMapIterator> range =
 186           factory_->GetOpenDatabasesForOrigin(origin_url);
 187       // TODO(jsbell): Sort by name?
 188       scoped_ptr<base::ListValue> database_list(new base::ListValue());
 189
 190       for (IndexedDBFactory::OriginDBMapIterator it = range.first;
 191            it != range.second;
 192            ++it) {
 193         const IndexedDBDatabase* db = it->second;
 194         scoped_ptr<base::DictionaryValue> db_info(new base::DictionaryValue());
 195
 196         db_info->SetString("name", db->name());
 197         db_info->SetDouble("pending_opens", db->PendingOpenCount());
 198         db_info->SetDouble("pending_upgrades", db->PendingUpgradeCount());
 199         db_info->SetDouble("running_upgrades", db->RunningUpgradeCount());
 200         db_info->SetDouble("pending_deletes", db->PendingDeleteCount());
 201         db_info->SetDouble("connection_count",
 202                            db->ConnectionCount() - db->PendingUpgradeCount() -
 203                                db->RunningUpgradeCount());
 204
 205         scoped_ptr<base::ListValue> transaction_list(new base::ListValue());
 206         std::vector<const IndexedDBTransaction*> transactions =
 207             db->transaction_coordinator().GetTransactions();
 208         for (const auto* transaction : transactions) {
 209           scoped_ptr<base::DictionaryValue> transaction_info(
 210               new base::DictionaryValue());
 211
 212           const char* kModes[] = { "readonly", "readwrite", "versionchange" };
 213           transaction_info->SetString("mode", kModes[transaction->mode()]);
 214           switch (transaction->state()) {
 215             case IndexedDBTransaction::CREATED:
 216               transaction_info->SetString("status", "blocked");
 217               break;
 218             case IndexedDBTransaction::STARTED:
 219               if (transaction->diagnostics().tasks_scheduled > 0)
 220                 transaction_info->SetString("status", "running");
 221               else
 222                 transaction_info->SetString("status", "started");
 223               break;
 224             case IndexedDBTransaction::COMMITTING:
 225               transaction_info->SetString("status", "committing");
 226               break;
 227             case IndexedDBTransaction::FINISHED:
 228               transaction_info->SetString("status", "finished");
 229               break;
 230           }
 231
 232           transaction_info->SetDouble(
 233               "pid",
 234               IndexedDBDispatcherHost::TransactionIdToProcessId(
 235                   transaction->id()));
 236           transaction_info->SetDouble(
 237               "tid",
 238               IndexedDBDispatcherHost::TransactionIdToRendererTransactionId(
 239                   transaction->id()));
 240           transaction_info->SetDouble(
 241               "age",
 242               (base::Time::Now() - transaction->diagnostics().creation_time)
 243                   .InMillisecondsF());
 244           transaction_info->SetDouble(
 245               "runtime",
 246               (base::Time::Now() - transaction->diagnostics().start_time)
 247                   .InMillisecondsF());
 248           transaction_info->SetDouble(
 249               "tasks_scheduled", transaction->diagnostics().tasks_scheduled);
 250           transaction_info->SetDouble(
 251               "tasks_completed", transaction->diagnostics().tasks_completed);
 252
 253           scoped_ptr<base::ListValue> scope(new base::ListValue());
 254           for (const auto& id : transaction->scope()) {
 255             IndexedDBDatabaseMetadata::ObjectStoreMap::const_iterator it =
 256                 db->metadata().object_stores.find(id);
 257             if (it != db->metadata().object_stores.end())
 258               scope->AppendString(it->second.name);
 259           }
 260
 261           transaction_info->Set("scope", scope.release());
 262           transaction_list->Append(transaction_info.release());
 263         }
 264         db_info->Set("transactions", transaction_list.release());
 265
 266         database_list->Append(db_info.release());
 267       }
 268       info->Set("databases", database_list.release());
 269     }
 270
 271     list->Append(info.release());
 272   }
 273   return list.release();
 274 }
 275
 276 int64 IndexedDBContextImpl::GetOriginDiskUsage(const GURL& origin_url) {
 277   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 278   if (data_path_.empty() || !IsInOriginSet(origin_url))
 279     return 0;
 280   EnsureDiskUsageCacheInitialized(origin_url);
 281   return origin_size_map_[origin_url];
 282 }
 283
 284 base::Time IndexedDBContextImpl::GetOriginLastModified(const GURL& origin_url) {
 285   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 286   if (data_path_.empty() || !IsInOriginSet(origin_url))
 287     return base::Time();
 288   base::FilePath idb_directory = GetLevelDBPath(origin_url);
 289   base::File::Info file_info;
 290   if (!base::GetFileInfo(idb_directory, &file_info))
 291     return base::Time();
 292   return file_info.last_modified;
 293 }
 294
 295 void IndexedDBContextImpl::DeleteForOrigin(const GURL& origin_url) {
 296   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 297   ForceClose(origin_url, FORCE_CLOSE_DELETE_ORIGIN);
 298   if (data_path_.empty() || !IsInOriginSet(origin_url))
 299     return;
 300
 301   base::FilePath idb_directory = GetLevelDBPath(origin_url);
 302   EnsureDiskUsageCacheInitialized(origin_url);
 303   leveldb::Status s = LevelDBDatabase::Destroy(idb_directory);
 304   if (!s.ok()) {
 305     LOG(WARNING) << "Failed to delete LevelDB database: "
 306                  << idb_directory.AsUTF8Unsafe();
 307   } else {
 308     // LevelDB does not delete empty directories; work around this.
 309     // TODO(jsbell): Remove when upstream bug is fixed.
 310     // https://code.google.com/p/leveldb/issues/detail?id=209
 311     const bool kNonRecursive = false;
 312     base::DeleteFile(idb_directory, kNonRecursive);
 313   }
 314   base::DeleteFile(GetBlobPath(storage::GetIdentifierFromOrigin(origin_url)),
 315                    true /* recursive */);
 316   QueryDiskAndUpdateQuotaUsage(origin_url);
 317   if (s.ok()) {
 318     RemoveFromOriginSet(origin_url);
 319     origin_size_map_.erase(origin_url);
 320     space_available_map_.erase(origin_url);
 321   }
 322 }
 323
 324 void IndexedDBContextImpl::CopyOriginData(const GURL& origin_url,
 325                                           IndexedDBContext* dest_context) {
 326   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 327
 328   if (data_path_.empty() || !IsInOriginSet(origin_url))
 329     return;
 330
 331   IndexedDBContextImpl* dest_context_impl =
 332       static_cast<IndexedDBContextImpl*>(dest_context);
 333
 334   ForceClose(origin_url, FORCE_CLOSE_COPY_ORIGIN);
 335   std::string origin_id = storage::GetIdentifierFromOrigin(origin_url);
 336
 337   // Make sure we're not about to delete our own database.
 338   CHECK_NE(dest_context_impl->data_path().value(), data_path().value());
 339
 340   // Delete any existing storage paths in the destination context.
 341   // A previously failed migration may have left behind partially copied
 342   // directories.
 343   for (const base::FilePath& dest_path :
 344        dest_context_impl->GetStoragePaths(origin_url))
 345     base::DeleteFile(dest_path, true);
 346
 347   base::FilePath dest_data_path = dest_context_impl->data_path();
 348   base::CreateDirectory(dest_data_path);
 349
 350   for (const base::FilePath& src_data_path : GetStoragePaths(origin_url)) {
 351     if (base::PathExists(src_data_path)) {
 352       base::CopyDirectory(src_data_path, dest_data_path, true);
 353     }
 354   }
 355 }
 356
 357 void IndexedDBContextImpl::ForceClose(const GURL origin_url,
 358                                       ForceCloseReason reason) {
 359   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 360   UMA_HISTOGRAM_ENUMERATION("WebCore.IndexedDB.Context.ForceCloseReason",
 361                             reason,
 362                             FORCE_CLOSE_REASON_MAX);
 363
 364   if (data_path_.empty() || !IsInOriginSet(origin_url))
 365     return;
 366
 367   if (factory_.get())
 368     factory_->ForceClose(origin_url);
 369   DCHECK_EQ(0UL, GetConnectionCount(origin_url));
 370 }
 371
 372 size_t IndexedDBContextImpl::GetConnectionCount(const GURL& origin_url) {
 373   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 374   if (data_path_.empty() || !IsInOriginSet(origin_url))
 375     return 0;
 376
 377   if (!factory_.get())
 378     return 0;
 379
 380   return factory_->GetConnectionCount(origin_url);
 381 }
 382
 383 base::FilePath IndexedDBContextImpl::GetLevelDBPath(
 384     const GURL& origin_url) const {
 385   std::string origin_id = storage::GetIdentifierFromOrigin(origin_url);
 386   return GetLevelDBPath(origin_id);
 387 }
 388
 389 std::vector<base::FilePath> IndexedDBContextImpl::GetStoragePaths(
 390     const GURL& origin_url) const {
 391   std::string origin_id = storage::GetIdentifierFromOrigin(origin_url);
 392   std::vector<base::FilePath> paths;
 393   paths.push_back(GetLevelDBPath(origin_id));
 394   paths.push_back(GetBlobPath(origin_id));
 395   return paths;
 396 }
 397
 398 base::FilePath IndexedDBContextImpl::GetFilePathForTesting(
 399     const std::string& origin_id) const {
 400   return GetLevelDBPath(origin_id);
 401 }
 402
 403 void IndexedDBContextImpl::SetTaskRunnerForTesting(
 404     base::SequencedTaskRunner* task_runner) {
 405   DCHECK(!task_runner_.get());
 406   task_runner_ = task_runner;
 407 }
 408
 409 void IndexedDBContextImpl::ConnectionOpened(const GURL& origin_url,
 410                                             IndexedDBConnection* connection) {
 411   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 412   if (quota_manager_proxy()) {
 413     quota_manager_proxy()->NotifyStorageAccessed(
 414         storage::QuotaClient::kIndexedDatabase,
 415         origin_url,
 416         storage::kStorageTypeTemporary);
 417   }
 418   if (AddToOriginSet(origin_url)) {
 419     // A newly created db, notify the quota system.
 420     QueryDiskAndUpdateQuotaUsage(origin_url);
 421   } else {
 422     EnsureDiskUsageCacheInitialized(origin_url);
 423   }
 424   QueryAvailableQuota(origin_url);
 425 }
 426
 427 void IndexedDBContextImpl::ConnectionClosed(const GURL& origin_url,
 428                                             IndexedDBConnection* connection) {
 429   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 430   if (quota_manager_proxy()) {
 431     quota_manager_proxy()->NotifyStorageAccessed(
 432         storage::QuotaClient::kIndexedDatabase,
 433         origin_url,
 434         storage::kStorageTypeTemporary);
 435   }
 436   if (factory_.get() && factory_->GetConnectionCount(origin_url) == 0)
 437     QueryDiskAndUpdateQuotaUsage(origin_url);
 438 }
 439
 440 void IndexedDBContextImpl::TransactionComplete(const GURL& origin_url) {
 441   DCHECK(!factory_.get() || factory_->GetConnectionCount(origin_url) > 0);
 442   QueryDiskAndUpdateQuotaUsage(origin_url);
 443   QueryAvailableQuota(origin_url);
 444 }
 445
 446 void IndexedDBContextImpl::DatabaseDeleted(const GURL& origin_url) {
 447   AddToOriginSet(origin_url);
 448   QueryDiskAndUpdateQuotaUsage(origin_url);
 449   QueryAvailableQuota(origin_url);
 450 }
 451
 452 bool IndexedDBContextImpl::WouldBeOverQuota(const GURL& origin_url,
 453                                             int64 additional_bytes) {
 454   if (space_available_map_.find(origin_url) == space_available_map_.end()) {
 455     // We haven't heard back from the QuotaManager yet, just let it through.
 456     return false;
 457   }
 458   bool over_quota = additional_bytes > space_available_map_[origin_url];
 459   return over_quota;
 460 }
 461
 462 bool IndexedDBContextImpl::IsOverQuota(const GURL& origin_url) {
 463   const int kOneAdditionalByte = 1;
 464   return WouldBeOverQuota(origin_url, kOneAdditionalByte);
 465 }
 466
 467 storage::QuotaManagerProxy* IndexedDBContextImpl::quota_manager_proxy() {
 468   return quota_manager_proxy_.get();
 469 }
 470
 471 IndexedDBContextImpl::~IndexedDBContextImpl() {
 472   if (factory_.get()) {
 473     TaskRunner()->PostTask(
 474         FROM_HERE, base::Bind(&IndexedDBFactory::ContextDestroyed, factory_));
 475     factory_ = NULL;
 476   }
 477
 478   if (data_path_.empty())
 479     return;
 480
 481   if (force_keep_session_state_)
 482     return;
 483
 484   bool has_session_only_databases =
 485       special_storage_policy_.get() &&
 486       special_storage_policy_->HasSessionOnlyOrigins();
 487
 488   // Clearing only session-only databases, and there are none.
 489   if (!has_session_only_databases)
 490     return;
 491
 492   TaskRunner()->PostTask(
 493       FROM_HERE,
 494       base::Bind(
 495           &ClearSessionOnlyOrigins, data_path_, special_storage_policy_));
 496 }
 497
 498 base::FilePath IndexedDBContextImpl::GetBlobPath(
 499     const std::string& origin_id) const {
 500   DCHECK(!data_path_.empty());
 501   return data_path_.AppendASCII(origin_id).AddExtension(kIndexedDBExtension)
 502       .AddExtension(kBlobExtension);
 503 }
 504
 505 base::FilePath IndexedDBContextImpl::GetLevelDBPath(
 506     const std::string& origin_id) const {
 507   DCHECK(!data_path_.empty());
 508   return data_path_.AppendASCII(origin_id).AddExtension(kIndexedDBExtension)
 509       .AddExtension(kLevelDBExtension);
 510 }
 511
 512 int64 IndexedDBContextImpl::ReadUsageFromDisk(const GURL& origin_url) const {
 513   if (data_path_.empty())
 514     return 0;
 515   int64 total_size = 0;
 516   for (const base::FilePath& path : GetStoragePaths(origin_url))
 517     total_size += base::ComputeDirectorySize(path);
 518   return total_size;
 519 }
 520
 521 void IndexedDBContextImpl::EnsureDiskUsageCacheInitialized(
 522     const GURL& origin_url) {
 523   if (origin_size_map_.find(origin_url) == origin_size_map_.end())
 524     origin_size_map_[origin_url] = ReadUsageFromDisk(origin_url);
 525 }
 526
 527 void IndexedDBContextImpl::QueryDiskAndUpdateQuotaUsage(
 528     const GURL& origin_url) {
 529   int64 former_disk_usage = origin_size_map_[origin_url];
 530   int64 current_disk_usage = ReadUsageFromDisk(origin_url);
 531   int64 difference = current_disk_usage - former_disk_usage;
 532   if (difference) {
 533     origin_size_map_[origin_url] = current_disk_usage;
 534     // quota_manager_proxy() is NULL in unit tests.
 535     if (quota_manager_proxy()) {
 536       quota_manager_proxy()->NotifyStorageModified(
 537           storage::QuotaClient::kIndexedDatabase,
 538           origin_url,
 539           storage::kStorageTypeTemporary,
 540           difference);
 541     }
 542   }
 543 }
 544
 545 void IndexedDBContextImpl::GotUsageAndQuota(const GURL& origin_url,
 546                                             storage::QuotaStatusCode status,
 547                                             int64 usage,
 548                                             int64 quota) {
 549   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 550   DCHECK(status == storage::kQuotaStatusOk ||
 551          status == storage::kQuotaErrorAbort)
 552       << "status was " << status;
 553   if (status == storage::kQuotaErrorAbort) {
 554     // We seem to no longer care to wait around for the answer.
 555     return;
 556   }
 557   TaskRunner()->PostTask(FROM_HERE,
 558                          base::Bind(&IndexedDBContextImpl::GotUpdatedQuota,
 559                                     this,
 560                                     origin_url,
 561                                     usage,
 562                                     quota));
 563 }
 564
 565 void IndexedDBContextImpl::GotUpdatedQuota(const GURL& origin_url,
 566                                            int64 usage,
 567                                            int64 quota) {
 568   DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 569   space_available_map_[origin_url] = quota - usage;
 570 }
 571
 572 void IndexedDBContextImpl::QueryAvailableQuota(const GURL& origin_url) {
 573   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
 574     DCHECK(TaskRunner()->RunsTasksOnCurrentThread());
 575     if (quota_manager_proxy()) {
 576       BrowserThread::PostTask(
 577           BrowserThread::IO,
 578           FROM_HERE,
 579           base::Bind(
 580               &IndexedDBContextImpl::QueryAvailableQuota, this, origin_url));
 581     }
 582     return;
 583   }
 584   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 585   if (!quota_manager_proxy() || !quota_manager_proxy()->quota_manager())
 586     return;
 587   quota_manager_proxy()->quota_manager()->GetUsageAndQuota(
 588       origin_url,
 589       storage::kStorageTypeTemporary,
 590       base::Bind(&IndexedDBContextImpl::GotUsageAndQuota, this, origin_url));
 591 }
 592
 593 std::set<GURL>* IndexedDBContextImpl::GetOriginSet() {
 594   if (!origin_set_) {
 595     std::vector<GURL> origins;
 596     GetAllOriginsAndPaths(data_path_, &origins, NULL);
 597     origin_set_.reset(new std::set<GURL>(origins.begin(), origins.end()));
 598   }
 599   return origin_set_.get();
 600 }
 601
 602 void IndexedDBContextImpl::ResetCaches() {
 603   origin_set_.reset();
 604   origin_size_map_.clear();
 605   space_available_map_.clear();
 606 }
 607
 608 base::SequencedTaskRunner* IndexedDBContextImpl::TaskRunner() const {
 609   return task_runner_.get();
 610 }
 611
 612 }  // namespace content