Remove redundant field initialization in Java code.

chrome/android/java/src/org/chromium/chrome/browser/toolbar/CustomTabToolbar.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.toolbar;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
@@ skipping 110 matching lines @@
 
     // Whether dark tint should be applied to icons and text.
     private boolean mUseDarkColors = true;
 
     private ValueAnimator mBrandColorTransitionAnimation;
     private boolean mBrandColorTransitionActive;
 
     private CustomTabToolbarAnimationDelegate mAnimDelegate;
     private int mState = STATE_DOMAIN_ONLY;
     private String mFirstUrl;
-    private boolean mShowsOfflinePage = false;
+    private boolean mShowsOfflinePage;
 
     private Runnable mTitleAnimationStarter = new Runnable() {
         @Override
         public void run() {
             mAnimDelegate.startTitleAnimation(getContext());
         }
     };
 
     /**
      * Constructor for getting this class inflated from an xml layout file.
@@ skipping 613 matching lines @@
 
     @Override
     protected void setAppMenuUpdateBadgeToVisible(boolean animate) {}
 
     @Override
     public View getMenuButtonWrapper() {
         // This class has no menu button wrapper, so return the menu button instead.
         return mMenuButton;
     }
 }