Migrate ResourceExtractor.java inside org.chromium.base package.

content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.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_shell_apk;
 
 import org.chromium.base.PathUtils;
+import org.chromium.base.ResourceExtractor;
+
 import org.chromium.content.app.ContentApplication;
-import org.chromium.content.browser.ResourceExtractor;
 
 /**
  * Entry point for the content shell application.  Handles initialization of information that needs
  * to be shared across the main activity and the child services created.
  */
 public class ContentShellApplication extends ContentApplication {
     /**
      * icudtl.dat provides ICU (i18n library) with all the data for its
      * operation. We use to link it statically to our binary, but not any more
      * so that we have to install it along with other mandatory pak files.
@@ skipping 10 matching lines @@
         super.onCreate();
         initializeApplicationParameters();
     }
 
     public static void initializeApplicationParameters() {
         ResourceExtractor.setMandatoryPaksToExtract(MANDATORY_PAK_FILES);
         PathUtils.setPrivateDataDirectorySuffix(PRIVATE_DATA_DIRECTORY_SUFFIX);
     }
 
 }