Modern IDB: Support IDBDatabase.close().

Modern IDB: Support IDBDatabase.close().
https://bugs.webkit.org/show_bug.cgi?id=150150

Reviewed by Alex Christensen.

Source/WebCore:

No new tests (Covered by changes to storage/indexeddb/modern/opendatabase-versions.html).

* Modules/indexeddb/client/IDBConnectionToServer.cpp:
(WebCore::IDBClient::IDBConnectionToServer::databaseConnectionClosed):
* Modules/indexeddb/client/IDBConnectionToServer.h:
* Modules/indexeddb/client/IDBConnectionToServerDelegate.h:

* Modules/indexeddb/client/IDBDatabaseImpl.cpp:
(WebCore::IDBClient::IDBDatabase::IDBDatabase):
(WebCore::IDBClient::IDBDatabase::~IDBDatabase):
(WebCore::IDBClient::IDBDatabase::close):
(WebCore::IDBClient::IDBDatabase::maybeCloseInServer):
(WebCore::IDBClient::IDBDatabase::commitTransaction):
* Modules/indexeddb/client/IDBDatabaseImpl.h:
(WebCore::IDBClient::IDBDatabase::databaseConnectionIdentifier):

* Modules/indexeddb/client/IDBRequestImpl.cpp:
(WebCore::IDBClient::IDBRequest::result):

* Modules/indexeddb/server/IDBServer.cpp:
(WebCore::IDBServer::IDBServer::databaseConnectionClosed):
* Modules/indexeddb/server/IDBServer.h:

* Modules/indexeddb/server/UniqueIDBDatabase.cpp:
(WebCore::IDBServer::UniqueIDBDatabase::connectionClosedFromClient):
(WebCore::IDBServer::UniqueIDBDatabase::handleOpenDatabaseOperations): Deleted.
* Modules/indexeddb/server/UniqueIDBDatabase.h:

* Modules/indexeddb/server/UniqueIDBDatabaseConnection.cpp:
(WebCore::IDBServer::UniqueIDBDatabaseConnection::UniqueIDBDatabaseConnection):
(WebCore::IDBServer::UniqueIDBDatabaseConnection::~UniqueIDBDatabaseConnection):
(WebCore::IDBServer::UniqueIDBDatabaseConnection::hasNonFinishedTransactions):
(WebCore::IDBServer::UniqueIDBDatabaseConnection::connectionClosedFromClient):
* Modules/indexeddb/server/UniqueIDBDatabaseConnection.h:

* Modules/indexeddb/shared/InProcessIDBServer.cpp:
(WebCore::InProcessIDBServer::databaseConnectionClosed):
* Modules/indexeddb/shared/InProcessIDBServer.h:

LayoutTests:

* storage/indexeddb/modern/opendatabase-versions-expected.txt:
* storage/indexeddb/modern/opendatabase-versions.html:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@191156 268f45cc-cd09-0410-ab3c-d52691b4dbfc