[Cronet] Mark request as complete when OutputStream fails

components/cronet/android/java/src/org/chromium/net/urlconnection/CronetFixedModeOutputStream.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.urlconnection;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.net.UploadDataProvider;
 import org.chromium.net.UploadDataSink;
 
@@ skipping 113 matching lines @@
 
     /**
      * Helper function to upload {@code mBuffer} to the native stack. This
      * function blocks until {@code mBuffer} is consumed and there is space to
      * write more data.
      */
     private void uploadBufferInternal() throws IOException {
         checkNotClosed();
         mBuffer.flip();
         mMessageLoop.loop();
+        checkNoException();
     }
 
     /**
      * Throws {@link java.net.ProtocolException} if adding {@code numBytes} will
      * exceed content length.
      */
     private void checkNotExceedContentLength(int numBytes) throws ProtocolException {
         if (mBytesWritten + numBytes > mContentLength) {
             throw new ProtocolException("expected "
                     + (mContentLength - mBytesWritten) + " bytes but received "
@@ skipping 52 matching lines @@
     }
 
     /**
      * Sets the default buffer length for use in tests.
      */
     @VisibleForTesting
     static void setDefaultBufferLengthForTesting(int length) {
         sDefaultBufferLength = length;
     }
 }