Remove redundant field initialization in Java code.

android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientVisitedHistoryTest.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.android_webview.test;
 
 import android.test.suitebuilder.annotation.SmallTest;
 import android.webkit.ValueCallback;
 
 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.test.TestAwContentsClient.DoUpdateVisitedHistoryHelper;
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.Feature;
 import org.chromium.net.test.util.TestWebServer;
 
 /**
  * Tests for AwContentsClient.getVisitedHistory and AwContents.doUpdateVisitedHistory callbacks.
  */
 public class AwContentsClientVisitedHistoryTest extends AwTestBase {
     private static class GetVisitedHistoryHelper extends CallbackHelper {
         private ValueCallback<String[]> mCallback;
-        private boolean mSaveCallback = false;
+        private boolean mSaveCallback;
 
         public ValueCallback<String[]> getCallback() {
             assert getCallCount() > 0;
             return mCallback;
         }
 
         public void setSaveCallback(boolean value) {
             mSaveCallback = value;
         }
 
@@ skipping 103 matching lines @@
         AwContents awContents = testView.getAwContents();
         loadUrlAsync(awContents, "about:blank");
         visitedHistoryHelper.waitForCallback(callCount);
         assertNotNull(visitedHistoryHelper.getCallback());
 
         destroyAwContentsOnMainSync(awContents);
         visitedHistoryHelper.getCallback().onReceiveValue(new String[] {"abc.def"});
         visitedHistoryHelper.getCallback().onReceiveValue(null);
     }
 }