Use unique IDs for accessibility nodes on Android

content/browser/accessibility/browser_accessibility_auralinux.h

Index: content/browser/accessibility/browser_accessibility_auralinux.h
diff --git a/content/browser/accessibility/browser_accessibility_auralinux.h b/content/browser/accessibility/browser_accessibility_auralinux.h
index 43a9c3f16b0cbfcbea8061b06152a997a7bccbe7..773e79fbd3130d320c9e265d224231d67670a187 100644
--- a/content/browser/accessibility/browser_accessibility_auralinux.h
+++ b/content/browser/accessibility/browser_accessibility_auralinux.h
@@ -10,6 +10,7 @@
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/browser/accessibility/browser_accessibility.h"
+#include "content/common/content_export.h"
 
 namespace content {
 
@@ -88,6 +89,12 @@ class BrowserAccessibilityAuraLinux : public BrowserAccessibility {
   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_