Ensure only one live search engine promo.

chrome/test/android/javatests/src/org/chromium/chrome/test/util/ActivityUtils.java

 // 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.chrome.test.util;
 
 import android.app.Activity;
 import android.app.DialogFragment;
 import android.app.Fragment;
 import android.app.Instrumentation;
 import android.app.Instrumentation.ActivityMonitor;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.ActivityOptionsCompat;
 
 import junit.framework.Assert;
 
+import org.chromium.base.test.util.ScalableTimeout;
+import org.chromium.chrome.R;
 import org.chromium.chrome.browser.preferences.Preferences;
+import org.chromium.chrome.browser.util.IntentUtils;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 
 /**
  * Collection of activity utilities.
  */
 public class ActivityUtils {
-    private static final long ACTIVITY_START_TIMEOUT_MS = 3000;
+    private static final long ACTIVITY_START_TIMEOUT_MS = ScalableTimeout.scaleTimeout(3000);
     private static final long CONDITION_POLL_INTERVAL_MS = 100;
 
     /**
      * Waits for a particular fragment to be present on a given activity.
      */
     private static class FragmentPresentCriteria extends Criteria {
 
         private final Activity mActivity;
         private final String mFragmentTag;
 
@@ skipping 10 matching lines @@
             if (fragment instanceof DialogFragment) {
                 DialogFragment dialogFragment = (DialogFragment) fragment;
                 return dialogFragment.getDialog() != null
                         && dialogFragment.getDialog().isShowing();
             }
             return fragment.getView() != null;
         }
     }
 
     /**
+     * Captures an activity of a particular type by launching an intent explicitly targeting the
+     * activity.
+     *
+     * @param <T> The type of activity to wait for.
+     * @param activityType The class type of the activity.
+     * @return The spawned activity.
+     */
+    public static <T> T waitForActivity(
+            final Instrumentation instrumentation, final Class<T> activityType) {
+        Runnable intentTrigger = new Runnable() {
+            @Override
+            public void run() {
+                Context context = instrumentation.getTargetContext().getApplicationContext();
+                Intent activityIntent = new Intent();
+                activityIntent.setClass(context, activityType);
+                activityIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                activityIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
+
+                Bundle optionsBundle =
+                        ActivityOptionsCompat
+                                .makeCustomAnimation(context, R.anim.activity_open_enter, 0)
+                                .toBundle();
+                IntentUtils.safeStartActivity(context, activityIntent, optionsBundle);
+            }
+        };
+        return waitForActivity(instrumentation, activityType, intentTrigger);
+    }
+
+    /**
      * Captures an activity of a particular type that is triggered from some action.
      *
      * @param <T> The type of activity to wait for.
      * @param activityType The class type of the activity.
      * @param activityTrigger The action that will trigger the new activity (run in this thread).
      * @return The spawned activity.
      */
     public static <T> T waitForActivity(Instrumentation instrumentation, Class<T> activityType,
             Runnable activityTrigger) {
         return waitForActivityWithTimeout(instrumentation, activityType, activityTrigger,
@@ skipping 54 matching lines @@
         CriteriaHelper.pollInstrumentationThread(
                 new Criteria("Could not find fragment " + fragmentClass) {
                     @Override
                     public boolean isSatisfied() {
                         return fragmentClass.isInstance(activity.getFragmentForTest());
                     }
                 }, ACTIVITY_START_TIMEOUT_MS, CONDITION_POLL_INTERVAL_MS);
         return (T) activity.getFragmentForTest();
     }
 }