Collapse the API surface on WebInputEvent via accessor functions.

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm

 // Copyright 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 "chrome/browser/ui/cocoa/apps/native_app_window_cocoa.h"
 
 #include "base/command_line.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/sdk_forward_declarations.h"
@@ skipping 542 matching lines @@
   UpdateDraggableRegionViews();
 }
 
 SkRegion* NativeAppWindowCocoa::GetDraggableRegion() {
   return NULL;
 }
 
 void NativeAppWindowCocoa::HandleKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   if (event.skip_in_browser ||
-      event.type == content::NativeWebKeyboardEvent::Char) {
+      event.type() == content::NativeWebKeyboardEvent::Char) {
     return;
   }
   [window() redispatchKeyEvent:event.os_event];
 }
 
 void NativeAppWindowCocoa::UpdateDraggableRegionViews() {
   if (has_frame_)
     return;
 
   // All ControlRegionViews should be added as children of the WebContentsView,
@@ skipping 258 matching lines @@
 }
 
 void NativeAppWindowCocoa::UpdateRestoredBounds() {
   if (IsRestored(*this))
     restored_bounds_ = [window() frame];
 }
 
 void NativeAppWindowCocoa::HideWithoutMarkingHidden() {
   [window() orderOut:window_controller_];
 }