Take a snapshot of the AXTree

content/public/android/java/src/org/chromium/content_public/browser/WebContents.java

Index: content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
index 06c2517009165f2225824b65c5bd4ba28ac7d231..986ac69f2893a9250b1a96cb0a90897827c4d62f 100644
--- a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
+++ b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
@@ -239,6 +239,14 @@ public interface WebContents {
     public int getThemeColor(int defaultColor);
 
     /**
+     * Requests a snapshop of accessibility tree. The result is provided asynchronously
+     * using the callback
+     * @param callback The callback to be called when the snapshot is ready. The callback
+     *                 cannot be null.
+     */
+    public void requestAccessibilitySnapshot(AccessibilitySnapshotCallback callback);
+
+    /**
      * Add an observer to the WebContents
      *
      * @param observer The observer to add.