jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/ssl/connection_security_android.cc

Index: chrome/browser/ssl/connection_security_android.cc
diff --git a/chrome/browser/ssl/connection_security_android.cc b/chrome/browser/ssl/connection_security_android.cc
index 1d3c056ffede69d6889fd486c8b44e2db090eb96..edce54c65f5c6459f110ed0c3f65218404a8cb49 100644
--- a/chrome/browser/ssl/connection_security_android.cc
+++ b/chrome/browser/ssl/connection_security_android.cc
@@ -15,9 +15,10 @@ bool RegisterConnectionSecurityAndroid(JNIEnv* env) {
 }
 
 // static
-jint GetSecurityLevelForWebContents(JNIEnv* env,
-                                    jclass jcaller,
-                                    jobject jweb_contents) {
+jint GetSecurityLevelForWebContents(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& jcaller,
+    const JavaParamRef<jobject>& jweb_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(jweb_contents);
   DCHECK(web_contents);