jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/chrome_web_contents_delegate_android.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/android/chrome_web_contents_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "chrome/browser/android/feature_utilities.h"
@@ skipping 358 matching lines @@
   if (was_blocked)
     *was_blocked = !handled;
   if (!handled)
     delete new_contents;
 }
 
 }  // namespace android
 }  // namespace chrome
 
 jboolean IsCapturingAudio(JNIEnv* env,
-                          jclass clazz,
-                          jobject java_web_contents) {
+                          const JavaParamRef<jclass>& clazz,
+                          const JavaParamRef<jobject>& java_web_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(java_web_contents);
   scoped_refptr<MediaStreamCaptureIndicator> indicator =
       MediaCaptureDevicesDispatcher::GetInstance()->
           GetMediaStreamCaptureIndicator();
   return indicator->IsCapturingAudio(web_contents);
 }
 
 jboolean IsCapturingVideo(JNIEnv* env,
-                          jclass clazz,
-                          jobject java_web_contents) {
+                          const JavaParamRef<jclass>& clazz,
+                          const JavaParamRef<jobject>& java_web_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(java_web_contents);
   scoped_refptr<MediaStreamCaptureIndicator> indicator =
       MediaCaptureDevicesDispatcher::GetInstance()->
           GetMediaStreamCaptureIndicator();
   return indicator->IsCapturingVideo(web_contents);
 }