Revert of Implement timers by posting delayed tasks

Source/platform/PlatformThreadData.h

Index: Source/platform/PlatformThreadData.h
diff --git a/Source/platform/PlatformThreadData.h b/Source/platform/PlatformThreadData.h
new file mode 100644
index 0000000000000000000000000000000000000000..428da4b9e48b3a393b82d2835918fbe5508c6ef7
--- /dev/null
+++ b/Source/platform/PlatformThreadData.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2013 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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.
+ */
+
+#ifndef PlatformThreadData_h
+#define PlatformThreadData_h
+
+#include "platform/PlatformExport.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/OwnPtr.h"
+
+namespace blink {
+
+class ThreadTimers;
+
+class PLATFORM_EXPORT PlatformThreadData {
+    WTF_MAKE_NONCOPYABLE(PlatformThreadData);
+public:
+    PlatformThreadData();
+    ~PlatformThreadData();
+
+    ThreadTimers& threadTimers() { return *m_threadTimers; }
+
+    static PlatformThreadData& current();
+    void destroy();
+
+private:
+    OwnPtr<ThreadTimers> m_threadTimers;
+};
+
+} // namespace blink
+
+#endif // PlatformThreadData_h