jni_generator: Pass object parameters as JavaParamRef.

net/cert/x509_util_android.cc

Index: net/cert/x509_util_android.cc
diff --git a/net/cert/x509_util_android.cc b/net/cert/x509_util_android.cc
index 9648ffb91f09b39058059eca555d50c7f0298459..2a91f4a2792a580f1b5f5450777f0e10fa7a27e7 100644
--- a/net/cert/x509_util_android.cc
+++ b/net/cert/x509_util_android.cc
@@ -12,12 +12,12 @@
 
 namespace net {
 
-void NotifyKeyChainChanged(JNIEnv* env, jclass clazz) {
+void NotifyKeyChainChanged(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
   CertDatabase::GetInstance()->OnAndroidKeyChainChanged();
 }
 
 void RecordCertVerifyCapabilitiesHistogram(JNIEnv* env,
-                                           jclass clazz,
+                                           const JavaParamRef<jclass>& clazz,
                                            jboolean found_system_trust_roots) {
   // Only record the histogram for 4.2 and up. Before 4.2, the platform doesn't
   // return the certificate chain anyway.
@@ -27,7 +27,9 @@ void RecordCertVerifyCapabilitiesHistogram(JNIEnv* env,
   }
 }
 
-ScopedJavaLocalRef<jobject> GetApplicationContext(JNIEnv* env, jclass clazz) {
+ScopedJavaLocalRef<jobject> GetApplicationContext(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz) {
   ScopedJavaLocalRef<jobject> r;
   // Must use Reset to force creation of a new local ref, instead of trying to
   // adopt the global-ref'ed jobject as a local ref as the constructor would.