Re-land: Implement NativeViewAccessibilityWin using AXPlatformNodeWin.

ui/accessibility/platform/ax_platform_node.cc

Index: ui/accessibility/platform/ax_platform_node.cc
diff --git a/ui/accessibility/platform/ax_platform_node.cc b/ui/accessibility/platform/ax_platform_node.cc
index 37b8ef41922ebd092c2980e676f20572b86cbc7f..74aac2d9bb4959d200f35820c162e0821241198c 100644
--- a/ui/accessibility/platform/ax_platform_node.cc
+++ b/ui/accessibility/platform/ax_platform_node.cc
@@ -9,13 +9,24 @@
 
 namespace ui {
 
-#if !defined(OS_MACOSX)
+#if !defined(OS_MACOSX) && !defined(OS_WIN)
 // static
 AXPlatformNode* AXPlatformNode::Create(AXPlatformNodeDelegate* delegate) {
   return NULL;
 }
 #endif
 
+#if !defined(OS_WIN)
+// This is the default implementation for platforms where native views
+// accessibility is unsupported or unfinished.
+//
+// static
+AXPlatformNode* AXPlatformNode::FromNativeViewAccessible(
+    gfx::NativeViewAccessible accessible) {
+  return NULL;

[David Tseng, 2015/02/13 20:10:10]

nit: nullptr

[dmazzoni, 2015/02/17 22:48:04]

Fixed throughout.

+}
+#endif
+
 AXPlatformNode::AXPlatformNode() {
 }