Add new Cronet exception class for QUIC errors

components/cronet/android/java/src/org/chromium/net/CronetUrlRequest.java

 // Copyright 2014 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 android.os.SystemClock;
 import android.support.annotation.Nullable;
 import android.util.Log;
 
@@ skipping 623 matching lines @@
      * Called when error has occured, no callbacks will be called afterwards.
      *
      * @param errorCode error code from {@link UrlRequestException.ERROR_LISTENER_EXCEPTION_THROWN
      *         UrlRequestException.ERROR_*}.
      * @param nativeError native net error code.
      * @param errorString textual representation of the error code.
      * @param receivedBytesCount number of bytes received.
      */
     @SuppressWarnings("unused")
     @CalledByNative
-    private void onError(
-            int errorCode, int nativeError, String errorString, long receivedBytesCount) {
+    private void onError(int errorCode, int nativeError, int nativeQuicError, String errorString,
+            long receivedBytesCount) {
         if (mResponseInfo != null) {
             mResponseInfo.setReceivedBytesCount(
                     mReceivedBytesCountFromRedirects + receivedBytesCount);
         }
-        UrlRequestException requestError = new UrlRequestException(
-                "Exception in CronetUrlRequest: " + errorString, errorCode, nativeError);
+        UrlRequestException requestError;
+        if (nativeError == NetError.ERR_QUIC_PROTOCOL_ERROR) {
+            requestError = new QuicException(

[pauljensen, 2016/06/30 17:35:12]

I don't think we need the requestError variable here or in bidistream.  We can
just do:
if (...) {
  failWithException(new ...);
} else {
  failWithException(new ...);
}

[mgersh, 2016/06/30 22:55:53]

Done.

+                    "Exception in CronetUrlRequest: " + errorString, nativeError, nativeQuicError);
+        } else {
+            requestError = new UrlRequestException(
+                    "Exception in CronetUrlRequest: " + errorString, errorCode, nativeError);
+        }
         failWithException(requestError);
     }
 
     /**
      * Called when request is canceled, no callbacks will be called afterwards.
      */
     @SuppressWarnings("unused")
     @CalledByNative
     private void onCanceled() {
         Runnable task = new Runnable() {
@@ skipping 83 matching lines @@
     @NativeClassQualifiedName("CronetURLRequestAdapter")
     private native boolean nativeReadData(long nativePtr, ByteBuffer byteBuffer,
             int position, int capacity);
 
     @NativeClassQualifiedName("CronetURLRequestAdapter")
     private native void nativeDestroy(long nativePtr, boolean sendOnCanceled);
 
     @NativeClassQualifiedName("CronetURLRequestAdapter")
     private native void nativeGetStatus(long nativePtr, UrlRequest.StatusListener listener);
 }