Include a role description string in node info for Android accessibility.

content/public/android/java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.java

Index: content/public/android/java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.java b/content/public/android/java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..a9008cdbdd02f6fe1e7015878f547163194cdc4c
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content/browser/accessibility/KitKatBrowserAccessibilityManager.java
@@ -0,0 +1,32 @@
+// Copyright 2016 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.browser.accessibility;
+
+import android.annotation.TargetApi;
+import android.os.Build;
+import android.os.Bundle;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+import org.chromium.base.annotations.JNINamespace;
+import org.chromium.content.browser.ContentViewCore;
+
+/**
+ * Subclass of BrowserAccessibilityManager for KitKat.
+ */
+@JNINamespace("content")
+@TargetApi(Build.VERSION_CODES.KITKAT)
+public class KitKatBrowserAccessibilityManager extends BrowserAccessibilityManager {
+    KitKatBrowserAccessibilityManager(long nativeBrowserAccessibilityManagerAndroid,
+            ContentViewCore contentViewCore) {
+        super(nativeBrowserAccessibilityManagerAndroid, contentViewCore);
+    }
+
+    @Override
+    protected void setAccessibilityNodeInfoKitKatAttributes(AccessibilityNodeInfo node,
+            String roleDescription) {
+        Bundle bundle = node.getExtras();
+        bundle.putCharSequence("AccessibilityNodeInfo.roleDescription", roleDescription);
+    }
+}