Collapse the API surface on WebInputEvent via accessor functions.

chrome/browser/ui/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2012 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/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #import "base/mac/sdk_forward_declarations.h"
@@ skipping 680 matching lines @@
 bool BrowserWindowCocoa::PreHandleKeyboardEvent(
     const NativeWebKeyboardEvent& event, bool* is_keyboard_shortcut) {
   // Handle ESC to dismiss permission bubbles, but still forward it
   // to the window afterwards.
   if (event.windowsKeyCode == ui::VKEY_ESCAPE)
     [controller_ dismissPermissionBubble];
 
   if (![BrowserWindowUtils shouldHandleKeyboardEvent:event])
     return false;
 
-  if (event.type == blink::WebInputEvent::RawKeyDown &&
+  if (event.type() == blink::WebInputEvent::RawKeyDown &&
       [controller_
           handledByExtensionCommand:event.os_event
                            priority:ui::AcceleratorManager::kHighPriority])
     return true;
 
   int id = [BrowserWindowUtils getCommandId:event];
   if (id == -1)
     return false;
 
   if (browser_->command_controller()->IsReservedCommandOrKey(id, event)) {
@@ skipping 119 matching lines @@
 ExclusiveAccessContext* BrowserWindowCocoa::GetExclusiveAccessContext() {
   return [controller_ exclusiveAccessController];
 }
 
 void BrowserWindowCocoa::ShowImeWarningBubble(
     const extensions::Extension* extension,
     const base::Callback<void(ImeWarningBubblePermissionStatus status)>&
         callback) {
   NOTREACHED() << "The IME warning bubble is unsupported on this platform.";
 }