Use ChromeJUnit4ClassRunner for javatests in chrome

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/ClientManagerTest.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.browser.customtabs;
 
 import android.content.Context;
 import android.os.Process;
 import android.support.customtabs.CustomTabsSessionToken;
 import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
 
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
 import org.chromium.base.metrics.RecordHistogram;
-import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.MetricsUtils;
 import org.chromium.base.test.util.RetryOnFailure;
+import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.content.browser.test.NativeLibraryTestRule;
 
 /** Tests for ClientManager. */
-@RunWith(BaseJUnit4ClassRunner.class)
+@RunWith(ChromeJUnit4ClassRunner.class)
 public class ClientManagerTest {
     @Rule
     public NativeLibraryTestRule mActivityTestRule = new NativeLibraryTestRule();
 
     private static final String URL = "https://www.android.com";
     private ClientManager mClientManager;
     private CustomTabsSessionToken mSession =
             CustomTabsSessionToken.createDummySessionTokenForTesting();
     private int mUid = Process.myUid();
 
@@ skipping 195 matching lines @@
 
         // Low and High confidence, same call.
         RequestThrottler.purgeAllEntriesForTesting(context);
         bothDelta = new MetricsUtils.HistogramDelta(name, ClientManager.BOTH);
         Assert.assertTrue(
                 mClientManager.updateStatsAndReturnWhetherAllowed(mSession, mUid, URL, true));
         mClientManager.registerLaunch(mSession, URL);
         Assert.assertEquals(1, bothDelta.getDelta());
     }
 }