content/browser/indexed_db/indexed_db_callbacks.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_callbacks.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/metrics/histogram.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "base/time/time.h"
  12 #include "content/browser/child_process_security_policy_impl.h"
  13 #include "content/browser/fileapi/fileapi_message_filter.h"
  14 #include "content/browser/indexed_db/indexed_db_blob_info.h"
  15 #include "content/browser/indexed_db/indexed_db_connection.h"
  16 #include "content/browser/indexed_db/indexed_db_context_impl.h"
  17 #include "content/browser/indexed_db/indexed_db_cursor.h"
  18 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
  19 #include "content/browser/indexed_db/indexed_db_database_error.h"
  20 #include "content/browser/indexed_db/indexed_db_metadata.h"
  21 #include "content/browser/indexed_db/indexed_db_return_value.h"
  22 #include "content/browser/indexed_db/indexed_db_tracing.h"
  23 #include "content/browser/indexed_db/indexed_db_value.h"
  24 #include "content/common/indexed_db/indexed_db_constants.h"
  25 #include "content/common/indexed_db/indexed_db_messages.h"
  26 #include "storage/browser/blob/blob_storage_context.h"
  27 #include "storage/browser/blob/shareable_file_reference.h"
  28 #include "storage/browser/quota/quota_manager.h"
  29
  30 using storage::ShareableFileReference;
  31
  32 namespace content {
  33
  34 namespace {
  35 const int32 kNoCursor = -1;
  36 const int32 kNoDatabaseCallbacks = -1;
  37 const int64 kNoTransaction = -1;
  38 }
  39
  40 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
  41                                        int32 ipc_thread_id,
  42                                        int32 ipc_callbacks_id)
  43     : dispatcher_host_(dispatcher_host),
  44       ipc_callbacks_id_(ipc_callbacks_id),
  45       ipc_thread_id_(ipc_thread_id),
  46       ipc_cursor_id_(kNoCursor),
  47       host_transaction_id_(kNoTransaction),
  48       ipc_database_id_(kNoDatabase),
  49       ipc_database_callbacks_id_(kNoDatabaseCallbacks),
  50       data_loss_(blink::WebIDBDataLossNone),
  51       sent_blocked_(false) {
  52 }
  53
  54 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
  55                                        int32 ipc_thread_id,
  56                                        int32 ipc_callbacks_id,
  57                                        int32 ipc_cursor_id)
  58     : dispatcher_host_(dispatcher_host),
  59       ipc_callbacks_id_(ipc_callbacks_id),
  60       ipc_thread_id_(ipc_thread_id),
  61       ipc_cursor_id_(ipc_cursor_id),
  62       host_transaction_id_(kNoTransaction),
  63       ipc_database_id_(kNoDatabase),
  64       ipc_database_callbacks_id_(kNoDatabaseCallbacks),
  65       data_loss_(blink::WebIDBDataLossNone),
  66       sent_blocked_(false) {
  67 }
  68
  69 IndexedDBCallbacks::IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
  70                                        int32 ipc_thread_id,
  71                                        int32 ipc_callbacks_id,
  72                                        int32 ipc_database_callbacks_id,
  73                                        int64 host_transaction_id,
  74                                        const GURL& origin_url)
  75     : dispatcher_host_(dispatcher_host),
  76       ipc_callbacks_id_(ipc_callbacks_id),
  77       ipc_thread_id_(ipc_thread_id),
  78       ipc_cursor_id_(kNoCursor),
  79       host_transaction_id_(host_transaction_id),
  80       origin_url_(origin_url),
  81       ipc_database_id_(kNoDatabase),
  82       ipc_database_callbacks_id_(ipc_database_callbacks_id),
  83       data_loss_(blink::WebIDBDataLossNone),
  84       sent_blocked_(false) {
  85 }
  86
  87 IndexedDBCallbacks::~IndexedDBCallbacks() {}
  88
  89 void IndexedDBCallbacks::OnError(const IndexedDBDatabaseError& error) {
  90   DCHECK(dispatcher_host_.get());
  91
  92   dispatcher_host_->Send(new IndexedDBMsg_CallbacksError(
  93       ipc_thread_id_, ipc_callbacks_id_, error.code(), error.message()));
  94   dispatcher_host_ = NULL;
  95
  96   if (!connection_open_start_time_.is_null()) {
  97     UMA_HISTOGRAM_MEDIUM_TIMES(
  98         "WebCore.IndexedDB.OpenTime.Error",
  99         base::TimeTicks::Now() - connection_open_start_time_);
 100     connection_open_start_time_ = base::TimeTicks();
 101   }
 102 }
 103
 104 void IndexedDBCallbacks::OnSuccess(const std::vector<base::string16>& value) {
 105   DCHECK(dispatcher_host_.get());
 106
 107   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 108   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 109   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 110   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 111   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 112
 113   std::vector<base::string16> list;
 114   for (unsigned i = 0; i < value.size(); ++i)
 115     list.push_back(value[i]);
 116
 117   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessStringList(
 118       ipc_thread_id_, ipc_callbacks_id_, list));
 119   dispatcher_host_ = NULL;
 120 }
 121
 122 void IndexedDBCallbacks::OnBlocked(int64 existing_version) {
 123   DCHECK(dispatcher_host_.get());
 124
 125   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 126   // No transaction/db callbacks for DeleteDatabase.
 127   DCHECK_EQ(kNoTransaction == host_transaction_id_,
 128             kNoDatabaseCallbacks == ipc_database_callbacks_id_);
 129   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 130
 131   if (sent_blocked_)
 132     return;
 133
 134   sent_blocked_ = true;
 135   dispatcher_host_->Send(new IndexedDBMsg_CallbacksIntBlocked(
 136       ipc_thread_id_, ipc_callbacks_id_, existing_version));
 137
 138   if (!connection_open_start_time_.is_null()) {
 139     UMA_HISTOGRAM_MEDIUM_TIMES(
 140         "WebCore.IndexedDB.OpenTime.Blocked",
 141         base::TimeTicks::Now() - connection_open_start_time_);
 142     connection_open_start_time_ = base::TimeTicks();
 143   }
 144 }
 145
 146 void IndexedDBCallbacks::OnDataLoss(blink::WebIDBDataLoss data_loss,
 147                                     std::string data_loss_message) {
 148   DCHECK_NE(blink::WebIDBDataLossNone, data_loss);
 149   data_loss_ = data_loss;
 150   data_loss_message_ = data_loss_message;
 151 }
 152
 153 void IndexedDBCallbacks::OnUpgradeNeeded(
 154     int64 old_version,
 155     scoped_ptr<IndexedDBConnection> connection,
 156     const IndexedDBDatabaseMetadata& metadata) {
 157   DCHECK(dispatcher_host_.get());
 158
 159   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 160   DCHECK_NE(kNoTransaction, host_transaction_id_);
 161   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 162   DCHECK_NE(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 163
 164   dispatcher_host_->RegisterTransactionId(host_transaction_id_, origin_url_);
 165   int32 ipc_database_id =
 166       dispatcher_host_->Add(connection.release(), ipc_thread_id_, origin_url_);
 167   if (ipc_database_id < 0)
 168     return;
 169   ipc_database_id_ = ipc_database_id;
 170   IndexedDBMsg_CallbacksUpgradeNeeded_Params params;
 171   params.ipc_thread_id = ipc_thread_id_;
 172   params.ipc_callbacks_id = ipc_callbacks_id_;
 173   params.ipc_database_id = ipc_database_id;
 174   params.ipc_database_callbacks_id = ipc_database_callbacks_id_;
 175   params.old_version = old_version;
 176   params.idb_metadata = IndexedDBDispatcherHost::ConvertMetadata(metadata);
 177   params.data_loss = data_loss_;
 178   params.data_loss_message = data_loss_message_;
 179   dispatcher_host_->Send(new IndexedDBMsg_CallbacksUpgradeNeeded(params));
 180
 181   if (!connection_open_start_time_.is_null()) {
 182     UMA_HISTOGRAM_MEDIUM_TIMES(
 183         "WebCore.IndexedDB.OpenTime.UpgradeNeeded",
 184         base::TimeTicks::Now() - connection_open_start_time_);
 185     connection_open_start_time_ = base::TimeTicks();
 186   }
 187 }
 188
 189 void IndexedDBCallbacks::OnSuccess(scoped_ptr<IndexedDBConnection> connection,
 190                                    const IndexedDBDatabaseMetadata& metadata) {
 191   DCHECK(dispatcher_host_.get());
 192
 193   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 194   DCHECK_NE(kNoTransaction, host_transaction_id_);
 195   DCHECK_NE(ipc_database_id_ == kNoDatabase, !connection);
 196   DCHECK_NE(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 197
 198   scoped_refptr<IndexedDBCallbacks> self(this);
 199
 200   int32 ipc_object_id = kNoDatabase;
 201   // Only register if the connection was not previously sent in OnUpgradeNeeded.
 202   if (ipc_database_id_ == kNoDatabase) {
 203     ipc_object_id = dispatcher_host_->Add(
 204         connection.release(), ipc_thread_id_, origin_url_);
 205   }
 206
 207   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIDBDatabase(
 208       ipc_thread_id_,
 209       ipc_callbacks_id_,
 210       ipc_database_callbacks_id_,
 211       ipc_object_id,
 212       IndexedDBDispatcherHost::ConvertMetadata(metadata)));
 213   dispatcher_host_ = NULL;
 214
 215   if (!connection_open_start_time_.is_null()) {
 216     UMA_HISTOGRAM_MEDIUM_TIMES(
 217         "WebCore.IndexedDB.OpenTime.Success",
 218         base::TimeTicks::Now() - connection_open_start_time_);
 219     connection_open_start_time_ = base::TimeTicks();
 220   }
 221 }
 222
 223 static std::string CreateBlobData(
 224     const IndexedDBBlobInfo& blob_info,
 225     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 226     base::TaskRunner* task_runner) {
 227   if (!blob_info.uuid().empty()) {
 228     // We're sending back a live blob, not a reference into our backing store.
 229     return dispatcher_host->HoldBlobData(blob_info);
 230   }
 231   scoped_refptr<ShareableFileReference> shareable_file =
 232       ShareableFileReference::Get(blob_info.file_path());
 233   if (!shareable_file.get()) {
 234     shareable_file = ShareableFileReference::GetOrCreate(
 235         blob_info.file_path(),
 236         ShareableFileReference::DONT_DELETE_ON_FINAL_RELEASE,
 237         task_runner);
 238     if (!blob_info.release_callback().is_null())
 239       shareable_file->AddFinalReleaseCallback(blob_info.release_callback());
 240   }
 241   return dispatcher_host->HoldBlobData(blob_info);
 242 }
 243
 244 static bool CreateAllBlobs(
 245     const std::vector<IndexedDBBlobInfo>& blob_info,
 246     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info,
 247     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host) {
 248   IDB_TRACE("IndexedDBCallbacks::CreateAllBlobs");
 249   DCHECK_EQ(blob_info.size(), blob_or_file_info->size());
 250   size_t i;
 251   if (!dispatcher_host->blob_storage_context())
 252     return false;
 253   for (i = 0; i < blob_info.size(); ++i) {
 254     (*blob_or_file_info)[i].uuid =
 255         CreateBlobData(blob_info[i],
 256                        dispatcher_host,
 257                        dispatcher_host->Context()->TaskRunner());
 258   }
 259   return true;
 260 }
 261
 262 template <class ParamType, class MsgType>
 263 static void CreateBlobsAndSend(
 264     ParamType* params,
 265     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 266     const std::vector<IndexedDBBlobInfo>& blob_info,
 267     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info) {
 268   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 269   if (CreateAllBlobs(blob_info, blob_or_file_info, dispatcher_host))
 270     dispatcher_host->Send(new MsgType(*params));
 271 }
 272
 273 static void BlobLookupForCursorPrefetch(
 274     IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params* params,
 275     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 276     const std::vector<IndexedDBValue>& values) {
 277   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 278   DCHECK_EQ(values.size(), params->values.size());
 279
 280   for (size_t i = 0; i < values.size(); ++i) {
 281     if (!CreateAllBlobs(values[i].blob_info,
 282                         &params->values[i].blob_or_file_info, dispatcher_host))
 283       return;
 284   }
 285
 286   dispatcher_host->Send(
 287       new IndexedDBMsg_CallbacksSuccessCursorPrefetch(*params));
 288 }
 289
 290 static void BlobLookupForGetAll(
 291     IndexedDBMsg_CallbacksSuccessArray_Params* params,
 292     scoped_refptr<IndexedDBDispatcherHost> dispatcher_host,
 293     const std::vector<IndexedDBReturnValue>& values) {
 294   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 295   DCHECK_EQ(values.size(), params->values.size());
 296
 297   for (size_t i = 0; i < values.size(); ++i) {
 298     if (!CreateAllBlobs(values[i].blob_info,
 299                         &params->values[i].blob_or_file_info, dispatcher_host))
 300       return;
 301   }
 302
 303   dispatcher_host->Send(new IndexedDBMsg_CallbacksSuccessArray(*params));
 304 }
 305
 306 static void FillInBlobData(
 307     const std::vector<IndexedDBBlobInfo>& blob_info,
 308     std::vector<IndexedDBMsg_BlobOrFileInfo>* blob_or_file_info) {
 309   for (const auto& iter : blob_info) {
 310     if (iter.is_file()) {
 311       IndexedDBMsg_BlobOrFileInfo info;
 312       info.is_file = true;
 313       info.mime_type = iter.type();
 314       info.file_name = iter.file_name();
 315       info.file_path = iter.file_path().AsUTF16Unsafe();
 316       info.size = iter.size();
 317       info.last_modified = iter.last_modified().ToDoubleT();
 318       blob_or_file_info->push_back(info);
 319     } else {
 320       IndexedDBMsg_BlobOrFileInfo info;
 321       info.mime_type = iter.type();
 322       info.size = iter.size();
 323       blob_or_file_info->push_back(info);
 324     }
 325   }
 326 }
 327
 328 void IndexedDBCallbacks::RegisterBlobsAndSend(
 329     const std::vector<IndexedDBBlobInfo>& blob_info,
 330     const base::Closure& callback) {
 331   for (const auto& iter : blob_info) {
 332     if (!iter.mark_used_callback().is_null())
 333       iter.mark_used_callback().Run();
 334   }
 335   DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
 336   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, callback);
 337 }
 338
 339 void IndexedDBCallbacks::OnSuccess(scoped_refptr<IndexedDBCursor> cursor,
 340                                    const IndexedDBKey& key,
 341                                    const IndexedDBKey& primary_key,
 342                                    IndexedDBValue* value) {
 343   DCHECK(dispatcher_host_.get());
 344
 345   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 346   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 347   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 348   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 349   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 350
 351   int32 ipc_object_id = dispatcher_host_->Add(cursor.get());
 352   scoped_ptr<IndexedDBMsg_CallbacksSuccessIDBCursor_Params> params(
 353       new IndexedDBMsg_CallbacksSuccessIDBCursor_Params());
 354   params->ipc_thread_id = ipc_thread_id_;
 355   params->ipc_callbacks_id = ipc_callbacks_id_;
 356   params->ipc_cursor_id = ipc_object_id;
 357   params->key = key;
 358   params->primary_key = primary_key;
 359   if (value && !value->empty())
 360     std::swap(params->value.bits, value->bits);
 361   // TODO(alecflett): Avoid a copy here: the whole params object is
 362   // being copied into the message.
 363   if (!value || value->blob_info.empty()) {
 364     dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIDBCursor(*params));
 365   } else {
 366     IndexedDBMsg_CallbacksSuccessIDBCursor_Params* p = params.get();
 367     FillInBlobData(value->blob_info, &p->value.blob_or_file_info);
 368     RegisterBlobsAndSend(
 369         value->blob_info,
 370         base::Bind(
 371             CreateBlobsAndSend<IndexedDBMsg_CallbacksSuccessIDBCursor_Params,
 372                                IndexedDBMsg_CallbacksSuccessIDBCursor>,
 373             base::Owned(params.release()), dispatcher_host_, value->blob_info,
 374             base::Unretained(&p->value.blob_or_file_info)));
 375   }
 376   dispatcher_host_ = NULL;
 377 }
 378
 379 void IndexedDBCallbacks::OnSuccess(const IndexedDBKey& key,
 380                                    const IndexedDBKey& primary_key,
 381                                    IndexedDBValue* value) {
 382   DCHECK(dispatcher_host_.get());
 383
 384   DCHECK_NE(kNoCursor, ipc_cursor_id_);
 385   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 386   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 387   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 388   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 389
 390   IndexedDBCursor* idb_cursor =
 391       dispatcher_host_->GetCursorFromId(ipc_cursor_id_);
 392
 393   DCHECK(idb_cursor);
 394   if (!idb_cursor)
 395     return;
 396
 397   scoped_ptr<IndexedDBMsg_CallbacksSuccessCursorContinue_Params> params(
 398       new IndexedDBMsg_CallbacksSuccessCursorContinue_Params());
 399   params->ipc_thread_id = ipc_thread_id_;
 400   params->ipc_callbacks_id = ipc_callbacks_id_;
 401   params->ipc_cursor_id = ipc_cursor_id_;
 402   params->key = key;
 403   params->primary_key = primary_key;
 404   if (value && !value->empty())
 405     std::swap(params->value.bits, value->bits);
 406   // TODO(alecflett): Avoid a copy here: the whole params object is
 407   // being copied into the message.
 408   if (!value || value->blob_info.empty()) {
 409     dispatcher_host_->Send(
 410         new IndexedDBMsg_CallbacksSuccessCursorContinue(*params));
 411   } else {
 412     IndexedDBMsg_CallbacksSuccessCursorContinue_Params* p = params.get();
 413     FillInBlobData(value->blob_info, &p->value.blob_or_file_info);
 414     RegisterBlobsAndSend(
 415         value->blob_info,
 416         base::Bind(CreateBlobsAndSend<
 417                        IndexedDBMsg_CallbacksSuccessCursorContinue_Params,
 418                        IndexedDBMsg_CallbacksSuccessCursorContinue>,
 419                    base::Owned(params.release()), dispatcher_host_,
 420                    value->blob_info,
 421                    base::Unretained(&p->value.blob_or_file_info)));
 422   }
 423   dispatcher_host_ = NULL;
 424 }
 425
 426 void IndexedDBCallbacks::OnSuccessWithPrefetch(
 427     const std::vector<IndexedDBKey>& keys,
 428     const std::vector<IndexedDBKey>& primary_keys,
 429     std::vector<IndexedDBValue>* values) {
 430   DCHECK_EQ(keys.size(), primary_keys.size());
 431   DCHECK_EQ(keys.size(), values->size());
 432
 433   DCHECK(dispatcher_host_.get());
 434
 435   DCHECK_NE(kNoCursor, ipc_cursor_id_);
 436   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 437   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 438   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 439   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 440
 441   std::vector<IndexedDBKey> msg_keys;
 442   std::vector<IndexedDBKey> msg_primary_keys;
 443
 444   for (size_t i = 0; i < keys.size(); ++i) {
 445     msg_keys.push_back(keys[i]);
 446     msg_primary_keys.push_back(primary_keys[i]);
 447   }
 448
 449   scoped_ptr<IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params> params(
 450       new IndexedDBMsg_CallbacksSuccessCursorPrefetch_Params());
 451   params->ipc_thread_id = ipc_thread_id_;
 452   params->ipc_callbacks_id = ipc_callbacks_id_;
 453   params->ipc_cursor_id = ipc_cursor_id_;
 454   params->keys = msg_keys;
 455   params->primary_keys = msg_primary_keys;
 456   params->values.resize(values->size());
 457
 458   bool found_blob_info = false;
 459   for (size_t i = 0; i < values->size(); ++i) {
 460     params->values[i].bits.swap(values->at(i).bits);
 461     if (!values->at(i).blob_info.empty()) {
 462       found_blob_info = true;
 463       FillInBlobData(values->at(i).blob_info,
 464                      &params->values[i].blob_or_file_info);
 465       for (const auto& blob_iter : values->at(i).blob_info) {
 466         if (!blob_iter.mark_used_callback().is_null())
 467           blob_iter.mark_used_callback().Run();
 468       }
 469     }
 470   }
 471
 472   if (found_blob_info) {
 473     BrowserThread::PostTask(BrowserThread::IO,
 474                             FROM_HERE,
 475                             base::Bind(BlobLookupForCursorPrefetch,
 476                                        base::Owned(params.release()),
 477                                        dispatcher_host_,
 478                                        *values));
 479   } else {
 480     dispatcher_host_->Send(
 481         new IndexedDBMsg_CallbacksSuccessCursorPrefetch(*params.get()));
 482   }
 483   dispatcher_host_ = NULL;
 484 }
 485
 486 void IndexedDBCallbacks::OnSuccess(IndexedDBReturnValue* value) {
 487   DCHECK(dispatcher_host_.get());
 488
 489   if (value && value->primary_key.IsValid()) {
 490     DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 491   } else {
 492     DCHECK(kNoCursor == ipc_cursor_id_ || value == NULL);
 493   }
 494   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 495   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 496   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 497   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 498
 499   scoped_ptr<IndexedDBMsg_CallbacksSuccessValue_Params> params(
 500       new IndexedDBMsg_CallbacksSuccessValue_Params());
 501   params->ipc_thread_id = ipc_thread_id_;
 502   params->ipc_callbacks_id = ipc_callbacks_id_;
 503   if (value && value->primary_key.IsValid()) {
 504     params->value.primary_key = value->primary_key;
 505     params->value.key_path = value->key_path;
 506   }
 507   if (value && !value->empty())
 508     std::swap(params->value.bits, value->bits);
 509   if (!value || value->blob_info.empty()) {
 510     dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessValue(*params));
 511   } else {
 512     IndexedDBMsg_CallbacksSuccessValue_Params* p = params.get();
 513     FillInBlobData(value->blob_info, &p->value.blob_or_file_info);
 514     RegisterBlobsAndSend(
 515         value->blob_info,
 516         base::Bind(CreateBlobsAndSend<IndexedDBMsg_CallbacksSuccessValue_Params,
 517                                       IndexedDBMsg_CallbacksSuccessValue>,
 518                    base::Owned(params.release()), dispatcher_host_,
 519                    value->blob_info,
 520                    base::Unretained(&p->value.blob_or_file_info)));
 521   }
 522   dispatcher_host_ = NULL;
 523 }
 524
 525 void IndexedDBCallbacks::OnSuccessArray(
 526     std::vector<IndexedDBReturnValue>* values,
 527     const IndexedDBKeyPath& key_path) {
 528   DCHECK(dispatcher_host_.get());
 529
 530   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 531   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 532   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 533   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 534
 535   scoped_ptr<IndexedDBMsg_CallbacksSuccessArray_Params> params(
 536       new IndexedDBMsg_CallbacksSuccessArray_Params());
 537   params->ipc_thread_id = ipc_thread_id_;
 538   params->ipc_callbacks_id = ipc_callbacks_id_;
 539   params->values.resize(values->size());
 540
 541   bool found_blob_info = false;
 542   for (size_t i = 0; i < values->size(); ++i) {
 543     IndexedDBMsg_ReturnValue& pvalue = params->values[i];
 544     IndexedDBReturnValue& value = (*values)[i];
 545     pvalue.bits.swap(value.bits);
 546     if (!value.blob_info.empty()) {
 547       found_blob_info = true;
 548       FillInBlobData(value.blob_info, &pvalue.blob_or_file_info);
 549       for (const auto& blob_info : value.blob_info) {
 550         if (!blob_info.mark_used_callback().is_null())
 551           blob_info.mark_used_callback().Run();
 552       }
 553     }
 554     pvalue.primary_key = value.primary_key;
 555     pvalue.key_path = key_path;
 556   }
 557
 558   if (found_blob_info) {
 559     BrowserThread::PostTask(
 560         BrowserThread::IO, FROM_HERE,
 561         base::Bind(BlobLookupForGetAll, base::Owned(params.release()),
 562                    dispatcher_host_, *values));
 563   } else {
 564     dispatcher_host_->Send(
 565         new IndexedDBMsg_CallbacksSuccessArray(*params.get()));
 566   }
 567   dispatcher_host_ = NULL;
 568 }
 569
 570 void IndexedDBCallbacks::OnSuccess(const IndexedDBKey& value) {
 571   DCHECK(dispatcher_host_.get());
 572
 573   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 574   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 575   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 576   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 577   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 578
 579   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessIndexedDBKey(
 580       ipc_thread_id_, ipc_callbacks_id_, value));
 581   dispatcher_host_ = NULL;
 582 }
 583
 584 void IndexedDBCallbacks::OnSuccess(int64 value) {
 585   DCHECK(dispatcher_host_.get());
 586
 587   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 588   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 589   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 590   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 591   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 592
 593   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessInteger(
 594       ipc_thread_id_, ipc_callbacks_id_, value));
 595   dispatcher_host_ = NULL;
 596 }
 597
 598 void IndexedDBCallbacks::OnSuccess() {
 599   DCHECK(dispatcher_host_.get());
 600
 601   DCHECK_EQ(kNoCursor, ipc_cursor_id_);
 602   DCHECK_EQ(kNoTransaction, host_transaction_id_);
 603   DCHECK_EQ(kNoDatabase, ipc_database_id_);
 604   DCHECK_EQ(kNoDatabaseCallbacks, ipc_database_callbacks_id_);
 605   DCHECK_EQ(blink::WebIDBDataLossNone, data_loss_);
 606
 607   dispatcher_host_->Send(new IndexedDBMsg_CallbacksSuccessUndefined(
 608       ipc_thread_id_, ipc_callbacks_id_));
 609   dispatcher_host_ = NULL;
 610 }
 611
 612 void IndexedDBCallbacks::SetConnectionOpenStartTime(
 613     const base::TimeTicks& start_time) {
 614   connection_open_start_time_ = start_time;
 615 }
 616
 617 }  // namespace content