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..eb1989acce713079b21d709474d357209c8c6fd8
--- /dev/null
+++ b/content/common/input/event_packet.cc
@@ -0,0 +1,22 @@
+// 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"
+
+#include "content/common/input/input_event.h"
+
+namespace content {
+
+EventPacket::EventPacket() : id_(0) {}
+
+EventPacket::~EventPacket() {}
+
+bool EventPacket::Add(scoped_ptr<InputEvent> event) {
+  if (!event || !event->valid())
+    return false;
+  events_.push_back(event.release());
+  return true;
+}
+
+}  // namespace content