Remove redundant field initialization in Java code.

base/android/java/src/org/chromium/base/SystemMessageHandler.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.base;
 
 import android.annotation.SuppressLint;
 import android.os.Build;
 import android.os.Handler;
 import android.os.Message;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.MainDex;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
 @MainDex
 class SystemMessageHandler extends Handler {
 
     private static final String TAG = "cr.SysMessageHandler";
 
     private static final int SCHEDULED_WORK = 1;
     private static final int DELAYED_SCHEDULED_WORK = 2;
 
     // Native class pointer set by the constructor of the SharedClient native class.
-    private long mMessagePumpDelegateNative = 0;
-    private long mMessagePumpNative = 0;
-    private long mDelayedScheduledTimeTicks = 0;
+    private long mMessagePumpDelegateNative;
+    private long mMessagePumpNative;
+    private long mDelayedScheduledTimeTicks;
 
     protected SystemMessageHandler(long messagePumpDelegateNative, long messagePumpNative) {
         mMessagePumpDelegateNative = messagePumpDelegateNative;
         mMessagePumpNative = messagePumpNative;
     }
 
     @Override
     public void handleMessage(Message msg) {
         if (msg.what == DELAYED_SCHEDULED_WORK) {
             mDelayedScheduledTimeTicks = 0;
@@ skipping 117 matching lines @@
 
     @CalledByNative
     private static SystemMessageHandler create(
             long messagePumpDelegateNative, long messagePumpNative) {
         return new SystemMessageHandler(messagePumpDelegateNative, messagePumpNative);
     }
 
     private native void nativeDoRunLoopOnce(
             long messagePumpDelegateNative, long messagePumpNative, long delayedScheduledTimeTicks);
 }