Views a11y: Implement AXPlatformNode::FromNativeViewAccessible on all platforms.

ui/views/accessibility/native_view_accessibility_auralinux.cc

Index: ui/views/accessibility/native_view_accessibility_auralinux.cc
diff --git a/ui/views/accessibility/native_view_accessibility_auralinux.cc b/ui/views/accessibility/native_view_accessibility_auralinux.cc
index 3f5b7de3e7137321ecbfa1470e48d45aa8c866af..4acd39126362ac60e4b1e458a30969fbec28186f 100644
--- a/ui/views/accessibility/native_view_accessibility_auralinux.cc
+++ b/ui/views/accessibility/native_view_accessibility_auralinux.cc
@@ -5,11 +5,9 @@
 #include "ui/views/accessibility/native_view_accessibility_auralinux.h"
 
 #include <algorithm>
-#include <memory>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
 #include "base/stl_util.h"
 #include "ui/accessibility/ax_action_data.h"
@@ -152,18 +150,15 @@ class AuraLinuxApplication
 }  // namespace
 
 // static
-std::unique_ptr<NativeViewAccessibility> NativeViewAccessibility::Create(
-    View* view) {
+NativeViewAccessibility* NativeViewAccessibility::Create(View* view) {
   AuraLinuxApplication::GetInstance()->RegisterWidget(view->GetWidget());
-  return base::MakeUnique<NativeViewAccessibilityAuraLinux>(view);
+  return new NativeViewAccessibilityAuraLinux(view);
 }
 
 NativeViewAccessibilityAuraLinux::NativeViewAccessibilityAuraLinux(View* view)
-    : NativeViewAccessibility(view) {
-}
+    : NativeViewAccessibility(view) {}
 
-NativeViewAccessibilityAuraLinux::~NativeViewAccessibilityAuraLinux() {
-}
+NativeViewAccessibilityAuraLinux::~NativeViewAccessibilityAuraLinux() {}
 
 gfx::NativeViewAccessible NativeViewAccessibilityAuraLinux::GetParent() {
   gfx::NativeViewAccessible parent = NativeViewAccessibility::GetParent();