Take a snapshot of the AXTree

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

Index: content/public/android/java/src/org/chromium/content_public/browser/AXTreeSnapshotCallback.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/AXTreeSnapshotCallback.java b/content/public/android/java/src/org/chromium/content_public/browser/AXTreeSnapshotCallback.java
new file mode 100644
index 0000000000000000000000000000000000000000..9ae0f52176d5d9088ed709f77498eb605073bb60
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content_public/browser/AXTreeSnapshotCallback.java
@@ -0,0 +1,16 @@
+// Copyright 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.
+
+package org.chromium.content_public.browser;
+
+import org.chromium.ui.AXNodeData;
+
+/** Callback interface for WebContents RequestAXTreeSnapshot(). */
+public abstract class AXTreeSnapshotCallback {
+
+    /**
+     * Provide accessibility node data.
+     */
+    public abstract void onAXTreeSnapshot(AXNodeData root);
+}