webkitgtk-2.4.11webkitgtk-2.4.11

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diff --git a/Source/WebCore/Modules/webdatabase/DatabaseBackendSync.cpp b/Source/WebCore/Modules/webdatabase/DatabaseBackendSync.cpp
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+++ b/Source/WebCore/Modules/webdatabase/DatabaseBackendSync.cpp
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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "DatabaseBackendSync.h"
+
+#if ENABLE(SQL_DATABASE)
+
+#include "DatabaseBackendContext.h"
+#include "DatabaseTracker.h"
+
+namespace WebCore {
+
+DatabaseBackendSync::DatabaseBackendSync(PassRefPtr<DatabaseBackendContext> databaseContext, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize)
+    : DatabaseBackendBase(databaseContext, name, expectedVersion, displayName, estimatedSize, DatabaseType::Sync)
+{
+}
+
+DatabaseBackendSync::~DatabaseBackendSync()
+{
+    // SQLite is "multi-thread safe", but each database handle can only be used
+    // on a single thread at a time.
+    //
+    // For DatabaseBackendSync, we open the SQLite database on the script context
+    // thread. And hence we should also close it on that same thread. This means
+    // that the SQLite database need to be closed here in the destructor.
+
+    ASSERT(m_databaseContext->isContextThread());
+    if (opened())
+        closeDatabase();
+}
+
+bool DatabaseBackendSync::openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage)
+{
+    return performOpenAndVerify(setVersionInNewDatabase, error, errorMessage);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(SQL_DATABASE)