Reland "Move PathUtils to use ContextUtils."

content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsApplication.java

 // Copyright 2012 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.content_browsertests_apk;
 
 import android.content.Context;
 
 import org.chromium.base.BaseChromiumApplication;
 import org.chromium.base.ContextUtils;
 import org.chromium.base.PathUtils;
 
 /**
  * A basic content browser tests {@link android.app.Application}.
  */
 public class ContentBrowserTestsApplication extends BaseChromiumApplication {
     static final String PRIVATE_DATA_DIRECTORY_SUFFIX = "content_shell";
 
-    public ContentBrowserTestsApplication() {
-        super();
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(base);
         ContextUtils.initApplicationContext(this);
     }
 
     @Override
     public void onCreate() {
         super.onCreate();
-        initializeApplicationParameters(this);
+        PathUtils.setPrivateDataDirectorySuffix(PRIVATE_DATA_DIRECTORY_SUFFIX);
     }
-
-    public static void initializeApplicationParameters(Context context) {
-        PathUtils.setPrivateDataDirectorySuffix(PRIVATE_DATA_DIRECTORY_SUFFIX, context);
-    }
-}
+}