jni: Pass method parameters as JavaParamRef in chrome/browser/ui.

chrome/browser/ui/android/autofill/autofill_dialog_controller_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/ui/android/autofill/autofill_dialog_controller_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 410 matching lines @@
 }
 
 void AutofillDialogControllerAndroid::TabActivated() {}
 
 // static
 bool AutofillDialogControllerAndroid::
     RegisterAutofillDialogControllerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
-void AutofillDialogControllerAndroid::DialogCancel(JNIEnv* env,
-                                                   jobject obj) {
+void AutofillDialogControllerAndroid::DialogCancel(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   LogOnCancelMetrics();
   callback_.Run(AutofillClient::AutocompleteResultErrorCancel,
                 base::string16(),
                 NULL);
 }
 
 void AutofillDialogControllerAndroid::DialogContinue(
     JNIEnv* env,
-    jobject obj,
-    jobject wallet,
+    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jobject>& wallet,
     jboolean jlast_used_choice_is_autofill,
-    jstring jlast_used_account_name,
-    jstring jlast_used_billing,
-    jstring jlast_used_shipping,
-    jstring jlast_used_card) {
+    const JavaParamRef<jstring>& jlast_used_account_name,
+    const JavaParamRef<jstring>& jlast_used_billing,
+    const JavaParamRef<jstring>& jlast_used_shipping,
+    const JavaParamRef<jstring>& jlast_used_card) {
   const base::string16 email =
       AutofillDialogResult::GetWalletEmail(env, wallet);
   const std::string google_transaction_id =
       AutofillDialogResult::GetWalletGoogleTransactionId(env, wallet);
 
   const base::string16 last_used_account_name =
       base::android::ConvertJavaStringToUTF16(env, jlast_used_account_name);
   const std::string last_used_billing =
       base::android::ConvertJavaStringToUTF8(env, jlast_used_billing);
   const std::string last_used_shipping =
@@ skipping 67 matching lines @@
 
 void AutofillDialogControllerAndroid::LogOnCancelMetrics() {
   AutofillMetrics::LogDialogUiDuration(
       base::Time::Now() - dialog_shown_timestamp_,
       AutofillMetrics::DIALOG_CANCELED);
 
   AutofillMetrics::LogDialogUiEvent(AutofillMetrics::DIALOG_UI_CANCELED);
 }
 
 }  // namespace autofill