Cronet API Refactoring

components/cronet/android/api/src/org/chromium/net/Preconditions.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.net;
-
-import java.nio.ByteBuffer;
-
-/**
- * {@hide only used by internal implementation.}
- */
-public final class Preconditions {
-    private Preconditions() {}
-
-    public static void checkDirect(ByteBuffer buffer) {
-        if (!buffer.isDirect()) {
-            throw new IllegalArgumentException("byteBuffer must be a direct ByteBuffer.");
-        }
-    }
-
-    public static void checkHasRemaining(ByteBuffer buffer) {
-        if (!buffer.hasRemaining()) {
-            throw new IllegalArgumentException("ByteBuffer is already full.");
-        }
-    }
-}