Add SetSupportsQuic method to explicitly specify server that supports QUIC.

components/cronet/android/chromium_url_request_context.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 "components/cronet/android/chromium_url_request_context.h"
 
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/values.h"
 #include "components/cronet/android/chromium_url_request.h"
 #include "components/cronet/android/url_request_adapter.h"
 #include "components/cronet/android/url_request_context_adapter.h"
 #include "components/cronet/url_request_context_config.h"
 #include "jni/ChromiumUrlRequestContext_jni.h"
+#include "net/base/host_port_pair.h"
 
 namespace {
 
 // Delegate of URLRequestContextAdapter that delivers callbacks to the Java
 // layer.
 class JniURLRequestContextAdapterDelegate
     : public cronet::URLRequestContextAdapter::
           URLRequestContextAdapterDelegate {
  public:
   JniURLRequestContextAdapterDelegate(JNIEnv* env, jobject owner)
@@ skipping 109 matching lines @@
 
 // Stops recording NetLog.
 static void StopNetLog(JNIEnv* env,
                        jobject jcaller,
                        jlong urlRequestContextAdapter) {
   URLRequestContextAdapter* adapter =
       reinterpret_cast<URLRequestContextAdapter*>(urlRequestContextAdapter);
   adapter->StopNetLog();
 }
 
+static jboolean SetQuicHint(JNIEnv* env,
+                            jobject jcaller,
+                            jlong urlRequestContextAdapter,
+                            jstring server,
+                            jint alternate_port) {
+  URLRequestContextAdapter* adapter =
+      reinterpret_cast<URLRequestContextAdapter*>(urlRequestContextAdapter);
+
+  GURL server_url(base::android::ConvertJavaStringToUTF8(env, server));
+  if (!server_url.is_valid())
+    return JNI_FALSE;
+
+  adapter->SetQuicHint(net::HostPortPair::FromURL(server_url),
+                       static_cast<uint16>(alternate_port),
+                       0.5f);

[mmenke, 2014/09/09 14:53:35]

Any reason for the 0.5?

[mef, 2014/09/10 16:48:17]

Done.

+  return JNI_TRUE;
+}
+
 }  // namespace cronet