Remove redundant field initialization in Java code.

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/ProgressIndicatorView.java

 // Copyright 2016 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.ntp.cards;
 
 import android.content.Context;
 import android.support.annotation.ColorRes;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ImageView;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.R;
 import org.chromium.third_party.android.swiperefresh.MaterialProgressDrawable;
 
 /**
  * Displays an indeterminate circular spinner, similar to {@link android.widget.ProgressBar} in
  * Lollipop+. This class allows to backport the Material style to pre-L OS versions.
  *
  * It stays invisible for the first 500ms when shown, to avoid showing a spinner when content
  * can load very quickly.
  */
 public class ProgressIndicatorView extends ImageView {
     private static final int SHOW_DELAY_MS = 500;
     private final Runnable mShowSpinnerRunnable;
 
     private final MaterialProgressDrawable mProgressDrawable;
-    private boolean mPostedCallback = false;
+    private boolean mPostedCallback;
 
     /**
      * Constructor for use in layout files.
      */
     public ProgressIndicatorView(Context context, AttributeSet attrs) {
         super(context, attrs);
 
         mShowSpinnerRunnable = new Runnable() {
             @Override
             public void run() {
@@ skipping 46 matching lines @@
         mPostedCallback = true;
         // We don't want to show the spinner every time we load content if it loads quickly; instead
         // only start showing the spinner if loading the content has taken longer than 500ms
         postDelayed(mShowSpinnerRunnable, SHOW_DELAY_MS);
     }
 
     private int getColorAsInt(@ColorRes int colorId) {
         return ApiCompatibilityUtils.getColor(getResources(), colorId);
     }
 }