RenderWidgetHost now stores both the WebKeyboardEvent and the native

chrome/common/native_web_keyboard_event_mac.mm

+// Copyright (c) 2009 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 "chrome/common/native_web_keyboard_event.h"
+
+#import <AppKit/AppKit.h>
+
+NativeWebKeyboardEvent::NativeWebKeyboardEvent()
+    : event(NULL) {
+}
+
+NativeWebKeyboardEvent::NativeWebKeyboardEvent(NSEvent* event)
+    : WebKeyboardEvent(event),
+      event([event retain]) {

[Avi (use Gerrit), 2009/03/06 18:01:34]

Not that it matters, but the semantics for gtk and win are copying of the event
while here you have joint ownership.

[Elliot Glaysher, 2009/03/06 20:51:25]

Yeah. There's no refcounting on GdkEvents (since they don't derive from
GObject), otherwise I'd do this in linux, too.

+}
+
+NativeWebKeyboardEvent::NativeWebKeyboardEvent(
+    const NativeWebKeyboardEvent& other)
+    : WebKeyboardEvent(other),
+      event([other.event retain]) {
+}
+
+NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(
+    const NativeWebKeyboardEvent& other) {
+  WebKeyboardEvent::operator=(other);
+
+  NSObject* previous = event;
+  event = [other.event retain];
+  [previous release];
+
+  return *this;
+}
+
+NativeWebKeyboardEvent::~NativeWebKeyboardEvent() {
+  [event release];
+}