Add InputEvent and EventPacket types for batched input delivery

content/common/input/input_event.cc

+// 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/input_event.h"
+
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+
+namespace content {
+
+InputEvent::InputEvent(int64 id,
+                       InputEventType type,
+                       const IPC::Message& message)
+    : id(id),
+      type(type),
+      message(message),
+      state(INPUT_EVENT_UNHANDLED) {
+}
+
+InputEvent::InputEvent()
+    : id(0),
+      type(INPUT_EVENT_INVALID),
+      state(INPUT_EVENT_UNHANDLED) {
+}
+
+InputEvent::~InputEvent() {
+}
+
+} // namespace content