Re-land: Resurrect Aura Linux accessibility.

ui/accessibility/platform/ax_platform_node_base.h

 // 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.
 
 #ifndef UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_
 #define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_
 
 #include "ui/accessibility/ax_enums.h"
 #include "ui/accessibility/platform/ax_platform_node.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 43 matching lines @@
   bool HasStringAttribute(
       ui::AXStringAttribute attribute) const;
   const std::string& GetStringAttribute(ui::AXStringAttribute attribute) const;
   bool GetStringAttribute(ui::AXStringAttribute attribute,
                           std::string* value) const;
   bool GetString16Attribute(ui::AXStringAttribute attribute,
                             base::string16* value) const;
   base::string16 GetString16Attribute(
       ui::AXStringAttribute attribute) const;
 
+  AXPlatformNodeDelegate* delegate_;  // Weak. Owns this.
+
  protected:
   AXPlatformNodeBase();
   ~AXPlatformNodeBase() override;
 
   // Cast a gfx::NativeViewAccessible to an AXPlatformNodeBase if it is one,
   // or return NULL if it's not an instance of this class.
   static AXPlatformNodeBase* FromNativeViewAccessible(
       gfx::NativeViewAccessible accessible);
 
-  AXPlatformNodeDelegate* delegate_;  // Weak. Owns this.
+
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AXPlatformNodeBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_