Use unique IDs for accessibility nodes on Android

content/browser/accessibility/browser_accessibility_auralinux.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_AURALINUX_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_AURALINUX_H_
 
 #include <atk/atk.h>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/browser/accessibility/browser_accessibility.h"
+#include "content/common/content_export.h"
 
 namespace content {
 
 class BrowserAccessibilityAuraLinux;
 class BrowserAccessibilityManagerAuraLinux;
 
 G_BEGIN_DECLS
 
 #define BROWSER_ACCESSIBILITY_TYPE (browser_accessibility_get_type())
 #define BROWSER_ACCESSIBILITY(obj)                               \
@@ skipping 58 matching lines @@
   friend class BrowserAccessibility;
 
   AtkObject* atk_object_;
   AtkRole atk_role_;
   int interface_mask_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityAuraLinux);
 };
 
+CONTENT_EXPORT const BrowserAccessibilityAuraLinux*
+ToBrowserAccessibilityAuraLinux(const BrowserAccessibility* obj);
+
+CONTENT_EXPORT BrowserAccessibilityAuraLinux* ToBrowserAccessibilityAuraLinux(
+    BrowserAccessibility* obj);
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_AURALINUX_H_