Make DatabaseTask inherit from WebTask

Source/modules/webdatabase/DatabaseTask.h

 /*
  * Copyright (C) 2007, 2008, 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
@@ skipping 14 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef DatabaseTask_h
 #define DatabaseTask_h
 
 #include "modules/webdatabase/DatabaseBackend.h"
 #include "modules/webdatabase/DatabaseBasicTypes.h"
 #include "modules/webdatabase/DatabaseError.h"
 #include "modules/webdatabase/SQLTransactionBackend.h"
+#include "platform/Task.h"

[michaeln, 2013/11/18 17:16:29]

Looks like all you need here for now is...
#include "public/platform/WebThread.h"

 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/Threading.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 // Can be used to wait until DatabaseTask is completed.
@@ skipping 16 matching lines @@
 
 private:
     bool m_taskCompleted;
     Mutex m_synchronousMutex;
     ThreadCondition m_synchronousCondition;
 #ifndef NDEBUG
     bool m_hasCheckedForTermination;
 #endif
 };
 
-class DatabaseTask {
+class DatabaseTask : public blink::WebThread::Task {
     WTF_MAKE_NONCOPYABLE(DatabaseTask); WTF_MAKE_FAST_ALLOCATED;
 public:
     virtual ~DatabaseTask();
 
-    void performTask();
+    virtual void run() OVERRIDE;
 
     DatabaseBackend* database() const { return m_database; }
 #ifndef NDEBUG
     bool hasSynchronizer() const { return m_synchronizer; }
     bool hasCheckedForTermination() const { return m_synchronizer->hasCheckedForTermination(); }
 #endif
 
 protected:
     DatabaseTask(DatabaseBackend*, DatabaseTaskSynchronizer*);
 
@@ skipping 84 matching lines @@
 #if !LOG_DISABLED
     virtual const char* debugTaskName() const;
 #endif
 
     Vector<String>& m_tableNames;
 };
 
 } // namespace WebCore
 
 #endif // DatabaseTask_h