[Cronet] Add callback wrapper classes to enforce API version checking.

components/cronet/android/java/src/org/chromium/net/impl/CronetUploadDataStream.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.impl;
 
 import android.annotation.SuppressLint;
 import android.util.Log;
 
 import org.chromium.base.VisibleForTesting;
@@ skipping 18 matching lines @@
  * It is called by the UploadDataStreamAdapter on the network thread, but calls
  * into the UploadDataSink and the UploadDataStreamAdapter on the Executor
  * passed into its constructor.
  */
 @JNINamespace("cronet")
 @VisibleForTesting
 public final class CronetUploadDataStream extends UploadDataSink {
     private static final String TAG = "CronetUploadDataStream";
     // These are never changed, once a request starts.
     private final Executor mExecutor;
-    private final UploadDataProvider mDataProvider;
+    private final VersionSafeCallbacks.UploadDataProviderWrapper mDataProvider;
     private long mLength;
     private long mRemainingLength;
     private CronetUrlRequest mRequest;
 
     // Reusable read task, to reduce redundant memory allocation.
     private final Runnable mReadTask = new Runnable() {
         @Override
         public void run() {
             synchronized (mLock) {
                 if (mUploadDataStreamAdapter == 0) {
@@ skipping 41 matching lines @@
     private boolean mDestroyAdapterPostponed = false;
     private Runnable mOnDestroyedCallbackForTesting;
 
     /**
      * Constructs a CronetUploadDataStream.
      * @param dataProvider the UploadDataProvider to read data from.
      * @param executor the Executor to execute UploadDataProvider tasks.
      */
     public CronetUploadDataStream(UploadDataProvider dataProvider, Executor executor) {
         mExecutor = executor;
-        mDataProvider = dataProvider;
+        mDataProvider = new VersionSafeCallbacks.UploadDataProviderWrapper(dataProvider);
     }
 
     /**
      * Called by native code to make the UploadDataProvider read data into
      * {@code byteBuffer}.
      */
     @SuppressWarnings("unused")
     @CalledByNative
     void readData(ByteBuffer byteBuffer) {
         mByteBuffer = byteBuffer;
@@ skipping 274 matching lines @@
 
     @NativeClassQualifiedName("CronetUploadDataStreamAdapter")
     private native void nativeOnReadSucceeded(long nativePtr, int bytesRead, boolean finalChunk);
 
     @NativeClassQualifiedName("CronetUploadDataStreamAdapter")
     private native void nativeOnRewindSucceeded(long nativePtr);
 
     @NativeClassQualifiedName("CronetUploadDataStreamAdapter")
     private static native void nativeDestroy(long nativePtr);
 }