Implement compositor thread VSync aligned event queue

ui/events/blink/blink_features.h

Index: ui/events/blink/blink_features.h
diff --git a/ui/events/blink/blink_features.h b/ui/events/blink/blink_features.h
new file mode 100644
index 0000000000000000000000000000000000000000..5f1d848bc76851419a03cb37377624dbeb1e928a
--- /dev/null
+++ b/ui/events/blink/blink_features.h
@@ -0,0 +1,16 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_EVENTS_BLINK_BLINK_FEATURES_H_
+#define UI_EVENTS_BLINK_BLINK_FEATURES_H_
+
+#include "base/feature_list.h"
+
+namespace features {
+
+extern const base::Feature kVsyncAlignedInputEvents;
+
+}
+
+#endif  // UI_EVENTS_BLINK_BLINK_FEATURES_H_