jni_generator: Pass object parameters as JavaParamRef.

content/shell/android/linker_test_apk/chromium_linker_test_linker_tests.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file implements the native methods of
 // org.content.chromium.app.LinkerTests
 // Unlike the content of linker_jni.cc, it is part of the content library and
 // can thus use base/ and the C++ STL.
 
 #include "content/shell/android/linker_test_apk/chromium_linker_test_linker_tests.h"
@@ skipping 178 matching lines @@
     }
   }
 
   VLOG(0) << prefix << "SUCCESS";
   return true;
 }
 
 }  // namespace
 
 jboolean CheckForSharedRelros(JNIEnv* env,
-                              jclass clazz,
+                              const JavaParamRef<jclass>& clazz,
                               jboolean in_browser_process) {
   return RunChecks(in_browser_process, true);
 }
 
 jboolean CheckForNoSharedRelros(JNIEnv* env,
-                                jclass clazz,
+                                const JavaParamRef<jclass>& clazz,
                                 jboolean in_browser_process) {
   return RunChecks(in_browser_process, false);
 }
 
 bool RegisterLinkerTestsJni(JNIEnv* env) { return RegisterNativesImpl(env); }
 
 }  // namespace content