jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/signin/oauth2_token_service_delegate_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 "chrome/browser/signin/oauth2_token_service_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
@@ skipping 144 matching lines @@
     jclass clazz,
     jobject j_profile_android) {
   Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile_android);
   ProfileOAuth2TokenService* service =
       ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
   OAuth2TokenServiceDelegate* delegate = service->GetDelegate();
   return ScopedJavaLocalRef<jobject>(
       static_cast<OAuth2TokenServiceDelegateAndroid*>(delegate)->java_ref_);
 }
 
-static ScopedJavaLocalRef<jobject> GetForProfile(JNIEnv* env,
-                                                 jclass clazz,
-                                                 jobject j_profile_android) {
+static ScopedJavaLocalRef<jobject> GetForProfile(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jobject>& j_profile_android) {
   return OAuth2TokenServiceDelegateAndroid::GetForProfile(env, clazz,
                                                           j_profile_android);
 }
 
 void OAuth2TokenServiceDelegateAndroid::Initialize() {
   DVLOG(1) << "OAuth2TokenServiceDelegateAndroid::Initialize";
   if (!is_testing_profile_) {
     Java_OAuth2TokenService_validateAccounts(
         AttachCurrentThread(), java_ref_.obj(),
         base::android::GetApplicationContext(), JNI_TRUE);
@@ skipping 276 matching lines @@
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobjectArray> java_accounts(
       base::android::ToJavaArrayOfStrings(env, empty));
   Java_OAuth2TokenService_saveStoredAccounts(
       env, base::android::GetApplicationContext(), java_accounts.obj());
 }
 
 // Called from Java when fetching of an OAuth2 token is finished. The
 // |authToken| param is only valid when |result| is true.
 void OAuth2TokenFetched(JNIEnv* env,
-                        jclass clazz,
-                        jstring authToken,
+                        const JavaParamRef<jclass>& clazz,
+                        const JavaParamRef<jstring>& authToken,
                         jboolean isTransientError,
                         jlong nativeCallback) {
   std::string token;
   if (authToken)
     token = ConvertJavaStringToUTF8(env, authToken);
   scoped_ptr<FetchOAuth2TokenCallback> heap_callback(
       reinterpret_cast<FetchOAuth2TokenCallback*>(nativeCallback));
   GoogleServiceAuthError
       err(authToken
               ? GoogleServiceAuthError::NONE
               : isTransientError
                     ? GoogleServiceAuthError::CONNECTION_FAILED
                     : GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS);
   heap_callback->Run(err, token, base::Time());
 }
 
 // static
 bool OAuth2TokenServiceDelegateAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }