assertion failure in addIDBBackingStore

• Component: WebCore Misc.
• Status: RESOLVED FIXED

[Fumitoshi Ukai]

From http://trac.webkit.org/changeset/87257/, several layout tests in storage/indexdb started crashing in chromium.

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#showExpectations=true&group=%40ToT%20-%20chromium.org&tests=storage%2Findexeddb%2Fcreate-and-remove-object-store.html%2Cstorage%2Findexeddb%2Fcursor-continue.html%2Cstorage%2Findexeddb%2Fcursor-index-delete.html%2Cstorage%2Findexeddb%2Fcursor-update.html%2Cstorage%2Findexeddb%2Fdatabase-basics.html%2Cstorage%2Findexeddb%2Fduplicates.html%2Cstorage%2Findexeddb%2Fexception-in-event-aborts.html%2Cstorage%2Findexeddb%2Findex-cursor.html%2Cstorage%2Findexeddb%2Fmigrate-basics.html%2Cstorage%2Findexeddb%2Fmozilla%2Fadd-twice-failure.html%2Cstorage%2Findexeddb%2Fmozilla%2Fbad-keypath.html%2Cstorage%2Findexeddb%2Fobjectstore-basics.html%2Cstorage%2Findexeddb%2Fobjectstore-cursor.html%2Cstorage%2Findexeddb%2Fopen-cursor.html%2Cstorage%2Findexeddb%2Frequest-event-propagation.html%2Cstorage%2Findexeddb%2Fset_version_queue.html%2Cstorage%2Findexeddb%2Ftransaction-after-close.html%2Cstorage%2Findexeddb%2Ftransaction-basics.html%2Cstorage%2Findexeddb%2Ftransaction-event-propagation.html%2Cstorage%2Findexeddb%2Ftransaction-rollback.html

For example,
ASSERTION FAILED: !m_backingStoreMap.contains(uniqueIdentifier)
third_party/WebKit/Source/WebCore/storage/IDBFactoryBackendImpl.cpp(64) : void WebCore::IDBFactoryBackendImpl::addIDBBackingStore(const WTF::String&, WebCore::IDBBackingStore*)
[31013:31013:3159816971990:ERROR:process_util_posix.cc(108)] Received signal 11

[Hans Wennborg]

Rolling it out: Bug 61457