[Cronet] Test the libcronet that's shipped, not libcronet_test

components/cronet/android/cronet_url_request_adapter.cc

Index: components/cronet/android/cronet_url_request_adapter.cc
diff --git a/components/cronet/android/cronet_url_request_adapter.cc b/components/cronet/android/cronet_url_request_adapter.cc
index 7072793b179f761f27f3f272ba179c9b84093b04..7a9b0c3d1633c6d9d3f0d98474d68ef4dd06f36c 100644
--- a/components/cronet/android/cronet_url_request_adapter.cc
+++ b/components/cronet/android/cronet_url_request_adapter.cc
@@ -436,8 +436,10 @@ void CronetURLRequestAdapter::MaybeReportMetrics(JNIEnv* env) const {
       url_request_->GetTotalReceivedBytes());
 }
 
-net::URLRequest* CronetURLRequestAdapter::GetURLRequestForTesting() {
-  return url_request_.get();
+jlong CronetURLRequestAdapter::GetUrlRequestForTesting(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& jcaller) {
+  return reinterpret_cast<jlong>(url_request_.get());
 }
 
 }  // namespace cronet