Remove redundant field initialization in Java code.

chrome/test/android/javatests/src/org/chromium/chrome/test/util/ApplicationData.java

 // Copyright 2013 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.test.util;
 
 import android.content.Context;
 
 import static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;
 
@@ skipping 23 matching lines @@
      * framework does not try to create it for sandbox processes and fail.
      *
      * When this is invoked from tests, the target context from the instrumentation must be used.
      *
      * @param targetContext the target Context.
      */
     public static void clearAppData(Context targetContext) throws InterruptedException {
         final String appDir = getAppDirFromTargetContext(targetContext);
         CriteriaHelper.pollInstrumentationThread(
                 new Criteria() {
-                    private boolean mDataRemoved = false;
+                    private boolean mDataRemoved;
 
                     @Override
                     public boolean isSatisfied() {
                         if (!mDataRemoved && !removeAppData(appDir)) {
                             return false;
                         }
                         mDataRemoved = true;
                         // We have to make sure the cache directory still exists, as the framework
                         // will try to create it otherwise and will fail for sandbox processes with
                         // a NullPointerException.
@@ skipping 49 matching lines @@
         if (file.isDirectory()) {
             File[] files = file.listFiles();
             if (files == null) return true;
             for (File sub_file : files) {
                 if (!removeFile(sub_file)) return false;
             }
         }
         return file.delete();
     }
 }