jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/feedback/connectivity_checker.cc

Index: chrome/browser/android/feedback/connectivity_checker.cc
diff --git a/chrome/browser/android/feedback/connectivity_checker.cc b/chrome/browser/android/feedback/connectivity_checker.cc
index 7c7fc6fcf2ed726d2deb178d30bf5e83939cf0ac..fa2e133090367a59beb7957a351d21daff670046 100644
--- a/chrome/browser/android/feedback/connectivity_checker.cc
+++ b/chrome/browser/android/feedback/connectivity_checker.cc
@@ -164,11 +164,11 @@ void ConnectivityChecker::OnTimeout() {
 }  // namespace
 
 void CheckConnectivity(JNIEnv* env,
-                       jclass clazz,
-                       jobject j_profile,
-                       jstring j_url,
+                       const JavaParamRef<jclass>& clazz,
+                       const JavaParamRef<jobject>& j_profile,
+                       const JavaParamRef<jstring>& j_url,
                        jlong j_timeout_ms,
-                       jobject j_callback) {
+                       const JavaParamRef<jobject>& j_callback) {
   Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile);
   if (!profile) {
     PostCallback(env, j_callback, CONNECTIVITY_CHECK_RESULT_ERROR);
@@ -187,7 +187,9 @@ void CheckConnectivity(JNIEnv* env,
   connectivity_checker->StartAsyncCheck();
 }
 
-jboolean IsUrlValid(JNIEnv* env, jclass clazz, jstring j_url) {
+jboolean IsUrlValid(JNIEnv* env,
+                    const JavaParamRef<jclass>& clazz,
+                    const JavaParamRef<jstring>& j_url) {
   GURL url(base::android::ConvertJavaStringToUTF8(env, j_url));
   return url.is_valid();
 }