Remove redundant field initialization in Java code.

media/base/android/java/src/org/chromium/media/MediaCodecUtil.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.media;
 
 import android.annotation.TargetApi;
 import android.media.MediaCodec;
 import android.media.MediaCodec.CryptoInfo;
 import android.media.MediaCodecInfo;
@@ skipping 18 matching lines @@
     private static final String TAG = "cr_MediaCodecUtil";
 
     // Codec direction.  Keep this in sync with media_codec_direction.h.
     static final int MEDIA_CODEC_DECODER = 0;
     static final int MEDIA_CODEC_ENCODER = 1;
 
     /**
      * Class to pass parameters from createDecoder()
      */
     public static class CodecCreationInfo {
-        public MediaCodec mediaCodec = null;
-        public boolean supportsAdaptivePlayback = false;
+        public MediaCodec mediaCodec;
+        public boolean supportsAdaptivePlayback;
         public BitrateAdjustmentTypes bitrateAdjustmentType = BitrateAdjustmentTypes.NO_ADJUSTMENT;
     }
 
     public static final class MimeTypes {
         public static final String VIDEO_MP4 = "video/mp4";
         public static final String VIDEO_WEBM = "video/webm";
         public static final String VIDEO_H264 = "video/avc";
         public static final String VIDEO_H265 = "video/hevc";
         public static final String VIDEO_VP8 = "video/x-vnd.on2.vp8";
         public static final String VIDEO_VP9 = "video/x-vnd.on2.vp9";
@@ skipping 481 matching lines @@
      * supported.
      * This method was introduced in Android N. Note that if platformSupportsCbcsEncryption
      * returns true, then this function will set the pattern.
      */
     static void setPatternIfSupported(CryptoInfo cryptoInfo, int encrypt, int skip) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             cryptoInfo.setPattern(new CryptoInfo.Pattern(encrypt, skip));
         }
     }
 }