jni_generator: Pass object parameters as JavaParamRef.

content/browser/web_contents/web_contents_android.cc

 // Copyright 2013 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 "content/browser/web_contents/web_contents_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
@@ skipping 138 matching lines @@
       reinterpret_cast<WebContentsAndroid*>(
           Java_WebContentsImpl_getNativePointer(AttachCurrentThread(),
                                                 jweb_contents_android));
   if (!web_contents_android)
     return NULL;
   return web_contents_android->web_contents();
 }
 
 // static
 static void DestroyWebContents(JNIEnv* env,
-                               jclass clazz,
+                               const JavaParamRef<jclass>& clazz,
                                jlong jweb_contents_android_ptr) {
   WebContentsAndroid* web_contents_android =
       reinterpret_cast<WebContentsAndroid*>(jweb_contents_android_ptr);
   if (!web_contents_android)
     return;
 
   WebContents* web_contents = web_contents_android->web_contents();
   if (!web_contents)
     return;
 
   delete web_contents;
 }
 
 // static
 ScopedJavaLocalRef<jobject> FromNativePtr(JNIEnv* env,
-                                          jclass clazz,
+                                          const JavaParamRef<jclass>& clazz,
                                           jlong web_contents_ptr) {
   WebContentsAndroid* web_contents_android =
       reinterpret_cast<WebContentsAndroid*>(web_contents_ptr);
 
   if (!web_contents_android)
     return ScopedJavaLocalRef<jobject>();
 
   // Check to make sure this object hasn't been destroyed.
   if (g_allocated_web_contents_androids.Get().find(web_contents_android) ==
       g_allocated_web_contents_androids.Get().end()) {
@@ skipping 355 matching lines @@
   web_contents_->StopMediaSession();
 }
 
 ScopedJavaLocalRef<jstring>  WebContentsAndroid::GetEncoding(
     JNIEnv* env, jobject obj) const {
   return base::android::ConvertUTF8ToJavaString(env,
                                                 web_contents_->GetEncoding());
 }
 
 }  // namespace content