Correct EmbeddedTestServer usage in Android tests.

chrome/android/javatests/src/org/chromium/chrome/browser/webapps/AddToHomescreenManagerTest.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.webapps;
 
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
@@ skipping 142 matching lines @@
     @Override
     public void startMainActivity() throws InterruptedException {
         startMainActivityOnBlankPage();
     }
 
     @Override
     public void setUp() throws Exception {
         super.setUp();
         ChromeWebApkHost.initForTesting(false);
         mTestServer = EmbeddedTestServer.createAndStartServer(getInstrumentation().getContext());
-        // Register handler for "slow?10000" URL.
-        mTestServer.addDefaultHandlers(mTestServer.getURL("/chrome/test/data"));
         mShortcutHelperDelegate = new TestShortcutHelperDelegate();
         ShortcutHelper.setDelegateForTests(mShortcutHelperDelegate);
         mActivity = getActivity();
         mTab = mActivity.getActivityTab();
     }
 
     @SmallTest
     @Feature("{Webapp}")
     public void testAddWebappShortcuts() throws Exception {
         // Add a webapp shortcut and make sure the intent's parameters make sense.
@@ skipping 164 matching lines @@
             public Integer call() {
                 return getActivity().getTabModelSelector().getModel(false).getCount();
             }
         }));
 
         TabModel tabModel = getActivity().getTabModelSelector().getModel(false);
         assertEquals(0, tabModel.indexOf(mTab));
         return getActivity().getTabModelSelector().getModel(false).getTabAt(1);
     }
 }