Introduce a basic Blink Scheduler

Source/platform/scheduler/SchedulerTest.cpp

Index: Source/platform/scheduler/SchedulerTest.cpp
diff --git a/Source/modules/crypto/HmacKeyAlgorithm.idl b/Source/platform/scheduler/SchedulerTest.cpp
similarity index 90%
copy from Source/modules/crypto/HmacKeyAlgorithm.idl
copy to Source/platform/scheduler/SchedulerTest.cpp
index 89cc8430ad3e5913bba4fd836e90c14c54bda058..048bd889fc7653c6fc40fc671585db2d513fc4ef 100644
--- a/Source/modules/crypto/HmacKeyAlgorithm.idl
+++ b/Source/platform/scheduler/SchedulerTest.cpp
@@ -28,9 +28,17 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-[
-    NoInterfaceObject
-] interface HmacKeyAlgorithm : KeyAlgorithm {
-  readonly attribute KeyAlgorithm hash;
-  readonly attribute unsigned long length;
-};
+#include "config.h"
+#include "platform/scheduler/Scheduler.h"
+
+#include <gtest/gtest.h>
+
+using WebCore::Scheduler;
+
+namespace {
+
+TEST(Scheduler, Foo)
+{
+}
+
+} // namespace