Add SetSupportsQuic method to explicitly specify server that supports QUIC.

components/cronet/android/url_request_adapter.cc

 // 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.
 
 #include "url_request_adapter.h"
 
 #include <string.h>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 82 matching lines @@
   return value;
 }
 
 net::HttpResponseHeaders* URLRequestAdapter::GetResponseHeaders() const {
   if (url_request_ == NULL) {
     return NULL;
   }
   return url_request_->response_headers();
 }
 
+std::string URLRequestAdapter::GetNegotiatedProtocol() const {
+  if (url_request_ == NULL)
+    return std::string();
+  return url_request_->response_info().npn_negotiated_protocol;
+}
+
 void URLRequestAdapter::Start() {
   context_->GetNetworkTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&URLRequestAdapter::OnInitiateConnection,
                  base::Unretained(this)));
 }
 
 void URLRequestAdapter::OnAppendChunk(const scoped_ptr<char[]> bytes,
                                       int bytes_len, bool is_last_chunk) {
   url_request_->AppendChunkToUpload(bytes.get(), bytes_len, is_last_chunk);
 }
 
 void URLRequestAdapter::OnInitiateConnection() {
   if (canceled_) {
     return;
   }
 
+  DCHECK(url_.is_valid());
+
   VLOG(1) << "Starting chromium request: "
           << url_.possibly_invalid_spec().c_str()
           << " priority: " << RequestPriorityToString(priority_);
   url_request_ = context_->GetURLRequestContext()->CreateRequest(
       url_, net::DEFAULT_PRIORITY, this, NULL);
   url_request_->SetLoadFlags(net::LOAD_DISABLE_CACHE |
                              net::LOAD_DO_NOT_SAVE_COOKIES |
                              net::LOAD_DO_NOT_SEND_COOKIES);
   url_request_->set_method(method_);
   url_request_->SetExtraRequestHeaders(headers_);
@@ skipping 154 matching lines @@
 
   delegate_->OnBytesRead(this);
   delegate_->OnRequestFinished(this);
 }
 
 unsigned char* URLRequestAdapter::Data() const {
   return reinterpret_cast<unsigned char*>(read_buffer_->StartOfBuffer());
 }
 
 }  // namespace cronet