[Cronet] Expose quic_user_agent_id and quic_prefer_aes config options.

components/cronet/android/test/cronet_url_request_context_config_test.cc

Index: components/cronet/android/test/cronet_url_request_context_config_test.cc
diff --git a/components/cronet/android/test/cronet_url_request_context_config_test.cc b/components/cronet/android/test/cronet_url_request_context_config_test.cc
index c879fe97fd78d41f0117f9276893200016f51169..d3156c0e5342db351ca9f8c7f491fbac37c29fd9 100644
--- a/components/cronet/android/test/cronet_url_request_context_config_test.cc
+++ b/components/cronet/android/test/cronet_url_request_context_config_test.cc
@@ -11,6 +11,7 @@
 #include "base/android/scoped_java_ref.h"
 #include "base/logging.h"
 #include "components/cronet/url_request_context_config.h"
+#include "components/cronet/version.h"
 #include "jni/CronetUrlRequestContextTest_jni.h"
 
 namespace cronet {
@@ -32,6 +33,8 @@ static void VerifyUrlRequestContextConfig(
   CHECK_EQ((*config->quic_hints.begin())->host, "example.com");
   CHECK_EQ((*config->quic_hints.begin())->port, 12);
   CHECK_EQ((*config->quic_hints.begin())->alternate_port, 34);
+  CHECK_NE(config->quic_user_agent_id.find("Cronet/" CRONET_VERSION),

[mef, 2016/02/05 17:22:36]

This now tests that default UAID ends with Cronet/1.2.3.4

[Ryan Hamilton, 2016/02/05 17:47:52]

Great, thanks!

+           std::string::npos);
   CHECK_EQ(config->load_disable_cache, false);
   CHECK_EQ(config->http_cache, URLRequestContextConfig::HttpCacheType::MEMORY);
   CHECK_EQ(config->http_cache_max_size, 54321);
@@ -49,4 +52,4 @@ bool RegisterCronetUrlRequestContextConfigTest(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
-}  // namespace cronet
+}  // namespace cronet