Add InputEvent and EventPacket types for batched input delivery

content/common/input/event_packet.cc

Index: content/common/input/event_packet.cc
diff --git a/content/common/input/event_packet.cc b/content/common/input/event_packet.cc
new file mode 100644
index 0000000000000000000000000000000000000000..308096394a7c2a6ac8c13fac22b870ff4b794ab2
--- /dev/null
+++ b/content/common/input/event_packet.cc
@@ -0,0 +1,15 @@
+// Copyright (c) 2013 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.
+
+#include "content/common/input/event_packet.h"
+
+namespace content {
+
+EventPacket::EventPacket() : id(0) {
+}
+
+EventPacket::~EventPacket() {
+}
+
+} // namespace content