https://bugs.webkit.org/show_bug.cgi?id=104624

Reviewed by Tony Chang.

Source/WebCore:

Add detail to error messages so that they are more helpful and can be
traced back to a specific line of code.

Updated test: transaction-error.html

* Modules/indexeddb/IDBDatabaseBackendImpl.cpp:
(WebCore::IDBDatabaseBackendImpl::CreateObjectStoreOperation::perform):
(WebCore::IDBDatabaseBackendImpl::DeleteObjectStoreOperation::perform):
(WebCore::IDBDatabaseBackendImpl::VersionChangeOperation::perform):
(WebCore::IDBDatabaseBackendImpl::openConnection):
(WebCore::IDBDatabaseBackendImpl::openConnectionWithVersion):
(WebCore::IDBDatabaseBackendImpl::deleteDatabase):
(WebCore::IDBDatabaseBackendImpl::close):
* Modules/indexeddb/IDBFactoryBackendImpl.cpp:
(WebCore::IDBFactoryBackendImpl::getDatabaseNames):
(WebCore::IDBFactoryBackendImpl::deleteDatabase):
(WebCore::IDBFactoryBackendImpl::open):
* Modules/indexeddb/IDBObjectStoreBackendImpl.cpp:
(WebCore::IDBObjectStoreBackendImpl::setIndexKeys):
(WebCore::IDBObjectStoreBackendImpl::createIndex):
(WebCore::IDBObjectStoreBackendImpl::CreateIndexOperation::perform):
* Modules/indexeddb/IDBTransactionBackendImpl.cpp:
(WebCore::IDBTransactionBackendImpl::abort):
(WebCore::IDBTransactionBackendImpl::commit):

LayoutTests:

Updated error message and establish that non-ascii characters in index
names don't make it back to the browser properly.

* storage/indexeddb/resources/shared.js:
(unexpectedAbortCallback):
* storage/indexeddb/resources/transaction-error.js:
(testErrorFromCommit.trans.oncomplete.request.onupgradeneeded.trans.onabort):
(testErrorFromCommit.trans.oncomplete.request.onupgradeneeded):
(testErrorFromCommit.trans.oncomplete):
(testErrorFromCommit):
* storage/indexeddb/transaction-error-expected.txt:
* storage/indexeddb/transaction-error.html:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@137635 268f45cc-cd09-0410-ab3c-d52691b4dbfc