Take a snapshot of the AXTree

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

Index: content/public/android/java/src/org/chromium/content_public/browser/AccessibilitySnapshotNode.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/AccessibilitySnapshotNode.java b/content/public/android/java/src/org/chromium/content_public/browser/AccessibilitySnapshotNode.java
new file mode 100644
index 0000000000000000000000000000000000000000..89b3685ad433e2489652266032b5e6acaaec22d1
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content_public/browser/AccessibilitySnapshotNode.java
@@ -0,0 +1,41 @@
+// 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 java.util.ArrayList;
+
+/**
+ * A light-weight data structure to encode key information from the accessibility
+ * tree for operations that need a quick snapshot of the web content. This is different
+ * from BrowserAccessibilityManager.java, which maintains a persistent Android
+ * accessibility tree that can be queried synchronously by the Android framework.
+ */
+public class AccessibilitySnapshotNode {
+
+    public int id;

[dmazzoni, 2015/04/13 06:55:44]

Let's delete "id" unless you have a really good reason why it's needed.

[sgurun-gerrit only, 2015/04/14 00:27:12]

not used. Done.

+    public int x, y, scrollX, scrollY, width, height;
+    public int childCount;

[dmazzoni, 2015/04/13 06:55:44]

Any reason for this over children.size()?

[sgurun-gerrit only, 2015/04/14 00:27:12]

it is not used actually. Thanks for catching it!

+    public String text;
+    public String className;
+    public ArrayList<AccessibilitySnapshotNode> children =
+            new ArrayList<AccessibilitySnapshotNode>();
+
+    public AccessibilitySnapshotNode(int id, int x, int y, int scrollX, int scrollY, int width,
+            int height, String text, String className) {
+        this.id = id;
+        this.x = x;
+        this.y = y;
+        this.scrollX = scrollX;
+        this.scrollY = scrollY;
+        this.width = width;
+        this.height = height;
+        this.text = text;
+        this.className = className;
+    }
+
+    public void addChild(AccessibilitySnapshotNode node) {
+        children.add(node);
+    }
+}