jni: Pass method parameters as JavaParamRef in content.

content/browser/android/interstitial_page_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 "content/browser/android/interstitial_page_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "content/public/browser/interstitial_page.h"
@@ skipping 13 matching lines @@
       page_(NULL) {
 }
 
 InterstitialPageDelegateAndroid::~InterstitialPageDelegateAndroid() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_obj_.get(env);
   if (obj.obj())
     Java_InterstitialPageDelegateAndroid_onNativeDestroyed(env, obj.obj());
 }
 
-void InterstitialPageDelegateAndroid::Proceed(JNIEnv* env, jobject obj) {
+void InterstitialPageDelegateAndroid::Proceed(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   if (page_)
     page_->Proceed();
 }
 
-void InterstitialPageDelegateAndroid::DontProceed(JNIEnv* env,
-                                                  jobject obj) {
+void InterstitialPageDelegateAndroid::DontProceed(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   if (page_)
     page_->DontProceed();
 }
 
 std::string InterstitialPageDelegateAndroid::GetHTMLContents() {
   return html_content_;
 }
 
 void InterstitialPageDelegateAndroid::OnProceed() {
   JNIEnv* env = AttachCurrentThread();
@@ skipping 36 matching lines @@
 static jlong Init(JNIEnv* env,
                   const JavaParamRef<jobject>& obj,
                   const JavaParamRef<jstring>& html_content) {
   InterstitialPageDelegateAndroid* delegate =
       new InterstitialPageDelegateAndroid(
           env, obj, base::android::ConvertJavaStringToUTF8(env, html_content));
   return reinterpret_cast<intptr_t>(delegate);
 }
 
 }  // namespace content