[NTP] Add functionality to ViewUtils to setEnabled recursively.

chrome/android/java/src/org/chromium/chrome/browser/util/ViewUtils.java

Index: chrome/android/java/src/org/chromium/chrome/browser/util/ViewUtils.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/util/ViewUtils.java b/chrome/android/java/src/org/chromium/chrome/browser/util/ViewUtils.java
index dc292e3c608226333e9c2cf27a2152307326b4f5..79d4f02e925c1d7b078945ff4810c104ced222e0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/util/ViewUtils.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/util/ViewUtils.java
@@ -34,6 +34,19 @@ public class ViewUtils {
     }
 
     /**
+     * Sets the enabled property of a View and all of its descendants.
+     */
+    public static void setEnabledRecursive(View view, boolean enabled) {
+        view.setEnabled(enabled);
+        if (view instanceof ViewGroup) {
+            ViewGroup group = (ViewGroup) view;
+            for (int i = 0; i < group.getChildCount(); i++) {
+                setEnabledRecursive(group.getChildAt(i), enabled);
+            }
+        }
+    }
+
+    /**
      * Captures a bitmap of a View and draws it to a Canvas.
      */
     public static void captureBitmap(View view, Canvas canvas) {