Revert of Implement timers by posting delayed tasks

Source/platform/PlatformThreadData.cpp

Index: Source/platform/PlatformThreadData.cpp
diff --git a/Source/platform/PlatformThreadData.cpp b/Source/platform/PlatformThreadData.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..bdb142a882655f3ca56b1c74b81edb981e2f6122
--- /dev/null
+++ b/Source/platform/PlatformThreadData.cpp
@@ -0,0 +1,63 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "platform/PlatformThreadData.h"
+
+#include "platform/ThreadTimers.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/ThreadSpecific.h"
+
+namespace blink {
+
+static ThreadSpecific<PlatformThreadData>* s_data;
+
+PlatformThreadData::PlatformThreadData()
+    : m_threadTimers(adoptPtr(new ThreadTimers))
+{
+}
+
+PlatformThreadData::~PlatformThreadData()
+{
+}
+
+void PlatformThreadData::destroy()
+{
+    m_threadTimers.clear();
+}
+
+PlatformThreadData& PlatformThreadData::current()
+{
+    if (!s_data)
+        s_data = new ThreadSpecific<PlatformThreadData>;
+    return **s_data;
+}
+
+} // namespace blink