Enable NeedsBraces check and fix some checkstyle issues.

android_webview/unittestjava/src/org/chromium/android_webview/unittest/InputStreamUnittest.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.android_webview.unittest;
 
 import org.chromium.base.CalledByNative;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ skipping 37 matching lines @@
         };
     }
 
     @CalledByNative
     static InputStream getCountingStream(final int size) {
         return new InputStream() {
             private int mCount = 0;
 
             @Override
             public int read() {
-                if (mCount < size)
+                if (mCount < size) {
                     return mCount++ % 256;
-                else
+                } else {
                     return -1;
+                }
             }
         };
     }
 }