[Cronet] Do not call into BidirectionalStream::SendData if stream failed

components/cronet/android/cronet_bidirectional_stream_adapter.h

Index: components/cronet/android/cronet_bidirectional_stream_adapter.h
diff --git a/components/cronet/android/cronet_bidirectional_stream_adapter.h b/components/cronet/android/cronet_bidirectional_stream_adapter.h
index 82a402bcc4a912b674a60bc7c74a28538d22aaa4..d9711911e0544fddb87e61066598d2cd10b21379 100644
--- a/components/cronet/android/cronet_bidirectional_stream_adapter.h
+++ b/components/cronet/android/cronet_bidirectional_stream_adapter.h
@@ -121,6 +121,9 @@ class CronetBidirectionalStreamAdapter
   scoped_refptr<IOBufferWithByteBuffer> write_buffer_;
   scoped_ptr<net::BidirectionalStream> bidi_stream_;
 
+  // Whether BidirectionalStream::Delegate::OnFailed callback is invoked.
+  bool stream_failed_;
+
   DISALLOW_COPY_AND_ASSIGN(CronetBidirectionalStreamAdapter);
 };