Android: Remove GetApplicationContext part 1

chrome/android/javatests/src/org/chromium/chrome/browser/ProcessIsolationTest.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;
 
 import android.support.test.filters.MediumTest;
 import android.text.TextUtils;
 
 import org.chromium.base.BuildInfo;
@@ skipping 24 matching lines @@
     @MediumTest
     @DisableIf.Build(sdk_is_greater_than = 22, message = "crbug.com/517611")
     @Feature({"Browser", "Security"})
     @RetryOnFailure
     public void testProcessIsolationForRenderers() throws InterruptedException {
         int tabsCount = getActivity().getCurrentTabModel().getCount();
         // The ActivityManager can be used to retrieve the current processes, but the reported UID
         // in the RunningAppProcessInfo for isolated processes is the same as the parent process
         // (see b/7724486, closed as "Working as intended").
         // So we have to resort to parsing the ps output.
-        String packageName = BuildInfo.getPackageName(getInstrumentation().getTargetContext());
+        String packageName = BuildInfo.getPackageName();
         assertFalse("Failed to retrieve package name for current version of Chrome.",
                     TextUtils.isEmpty(packageName));
 
         ArrayList<String> uids = new ArrayList<String>();
         BufferedReader reader = null;
         boolean hasBrowserProcess = false;
         int rendererProcessesCount = 0;
         StringBuilder sb = new StringBuilder();
         try {
             Process psProcess = Runtime.getRuntime().exec("ps");
@@ skipping 57 matching lines @@
         assertEquals("Found at least two processes with the same UID in ps output: \n"
                 + sb.toString(),
                 uids.size(), new HashSet<String>(uids).size());
     }
 
     @Override
     public void startMainActivity() throws InterruptedException {
         startMainActivityFromLauncher();
     }
 }