Contextual Search UI changes for custom tabs

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

 // Copyright 2014 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.chrome.browser.util;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
@@ skipping 111 matching lines @@
     }
 
     /**
      * Records the current custom tab visibility state with native-side feature utilities.
      * @param visible Whether a custom tab is visible.
      */
     public static void setCustomTabVisible(boolean visible) {
         nativeSetCustomTabVisible(visible);
     }
 
+    /**
+     * @return Whether a custom tab is visible.
+     */
+    public static boolean getCustomTabVisible() {
+        return nativeGetCustomTabVisible();
+    }
+
     private static native void nativeSetDocumentModeEnabled(boolean enabled);
     private static native void nativeSetCustomTabVisible(boolean visible);
+    private static native boolean nativeGetCustomTabVisible();
 }