Remove redundant field initialization in Java code.

mojo/public/java/bindings/src/org/chromium/mojo/bindings/Interface.java

 // Copyright 2014 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.mojo.bindings;
 
 import org.chromium.mojo.bindings.Callbacks.Callback1;
 import org.chromium.mojo.bindings.Interface.AbstractProxy.HandlerImpl;
 import org.chromium.mojo.bindings.interfacecontrol.QueryVersion;
 import org.chromium.mojo.bindings.interfacecontrol.RequireVersion;
@@ skipping 89 matching lines @@
 
             /**
              * The {@link MessageReceiverWithResponder} that will receive a serialized message for
              * each method call.
              */
             private final MessageReceiverWithResponder mMessageReceiver;
 
             /**
              * The {@link ConnectionErrorHandler} that will be notified of errors.
              */
-            private ConnectionErrorHandler mErrorHandler = null;
+            private ConnectionErrorHandler mErrorHandler;
 
             /**
              * The currently known version of the interface.
              */
-            private int mVersion = 0;
+            private int mVersion;
 
             /**
              * Constructor.
              *
              * @param core the Core implementation used to create pipes and access the async waiter.
              * @param messageReceiver the message receiver to send message to.
              */
             protected HandlerImpl(Core core, MessageReceiverWithResponder messageReceiver) {
                 this.mCore = core;
                 this.mMessageReceiver = messageReceiver;
@@ skipping 284 matching lines @@
          */
         protected abstract Stub<I> buildStub(Core core, I impl);
 
         /**
          * Constructs a Proxy forwarding the calls to the given message receiver.
          */
         protected abstract P buildProxy(Core core, MessageReceiverWithResponder messageReceiver);
 
     }
 }