Re-land: Implement NativeViewAccessibilityWin using AXPlatformNodeWin.

ui/accessibility/platform/ax_platform_node_mac.mm

 // Copyright 2014 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.
 
 #import "ui/accessibility/platform/ax_platform_node_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/strings/sys_string_conversions.h"
+#import "ui/accessibility/ax_node_data.h"
 #import "ui/accessibility/platform/ax_platform_node_delegate.h"
 #import "ui/gfx/mac/coordinate_conversion.h"
 
 namespace {
 
 struct MapEntry {
   ui::AXRole value;
   NSString* nativeValue;
 };
 
@@ skipping 209 matching lines @@
   return NSAccessibilityUnignoredAncestor(node_->GetParent());
 }
 
 - (NSValue*)AXPosition {
   return [NSValue valueWithPoint:self.boundsInScreen.origin];
 }
 
 - (NSString*)AXRole {
   if (!node_)
     return nil;
-  return [[self class] nativeRoleFromAXRole:node_->GetRole()];
+  return [[self class] nativeRoleFromAXRole:node_->GetData().role];
 }
 
 - (NSValue*)AXSize {
   return [NSValue valueWithSize:self.boundsInScreen.size];
 }
 
 // NSAccessibility informal protocol implementation.
 
 - (BOOL)accessibilityIsIgnored {
   return [[self AXRole] isEqualToString:NSAccessibilityUnknownRole];
@@ skipping 45 matching lines @@
 
 AXPlatformNodeMac::AXPlatformNodeMac() {
 }
 
 AXPlatformNodeMac::~AXPlatformNodeMac() {
 }
 
 void AXPlatformNodeMac::Destroy() {
   if (native_node_)
     [native_node_ detach];
-  delegate_ = NULL;
+  delegate_ = nullptr;
   delete this;
 }
 
 gfx::NativeViewAccessible AXPlatformNodeMac::GetNativeViewAccessible() {
   if (!native_node_)
     native_node_.reset([[AXPlatformNodeCocoa alloc] initWithNode:this]);
   return native_node_.get();
 }
 
+void AXPlatformNodeMac::NotifyAccessibilityEvent(ui::AXEvent event_type) {
+  // TODO(dmazzoni): implement this.  http://crbug.com/396137
+}
+
+int AXPlatformNodeMac::GetIndexInParent() {
+  // TODO(dmazzoni): implement this.  http://crbug.com/396137
+  return -1;
+}
+
 }  // namespace ui