Hide AXPlatformNode on ChromeOS.

ui/views/accessibility/native_view_accessibility_auralinux.cc

 // Copyright 2015 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 "ui/views/accessibility/native_view_accessibility_auralinux.h"
 
 #include <algorithm>
 #include <memory>
 #include <vector>
 
@@ skipping 141 matching lines @@
 }  // namespace
 
 // static
 std::unique_ptr<NativeViewAccessibility> NativeViewAccessibility::Create(
     View* view) {
   AuraLinuxApplication::GetInstance()->RegisterWidget(view->GetWidget());
   return base::MakeUnique<NativeViewAccessibilityAuraLinux>(view);
 }
 
 NativeViewAccessibilityAuraLinux::NativeViewAccessibilityAuraLinux(View* view)
-    : NativeViewAccessibility(view) {
-}
+    : NativeViewAccessibilityBase(view) {}
 
 NativeViewAccessibilityAuraLinux::~NativeViewAccessibilityAuraLinux() {
 }
 
 gfx::NativeViewAccessible NativeViewAccessibilityAuraLinux::GetParent() {
-  gfx::NativeViewAccessible parent = NativeViewAccessibility::GetParent();
+  gfx::NativeViewAccessible parent = NativeViewAccessibilityBase::GetParent();
   if (!parent)
     parent = AuraLinuxApplication::GetInstance()->GetNativeViewAccessible();
   return parent;
 }
 
 }  // namespace views