jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/chrome_web_contents_delegate_android.cc

Index: chrome/browser/android/chrome_web_contents_delegate_android.cc
diff --git a/chrome/browser/android/chrome_web_contents_delegate_android.cc b/chrome/browser/android/chrome_web_contents_delegate_android.cc
index e7c2fa604fb13b018f512bdd7c52ee6bb60d8ca2..d97ade96cc705e515f5bfbdd82f73d5ed28927d3 100644
--- a/chrome/browser/android/chrome_web_contents_delegate_android.cc
+++ b/chrome/browser/android/chrome_web_contents_delegate_android.cc
@@ -376,8 +376,8 @@ void ChromeWebContentsDelegateAndroid::AddNewContents(
 }  // 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 =
@@ -387,8 +387,8 @@ jboolean IsCapturingAudio(JNIEnv* env,
 }
 
 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 =