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

chrome/browser/ui/android/autofill/autofill_popup_view_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 "chrome/browser/ui/android/autofill/autofill_popup_view_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "chrome/browser/android/resource_mapper.h"
@@ skipping 77 matching lines @@
         label.obj(),
         android_icon_id,
         suggestion.frontend_id,
         deletable);
   }
 
   Java_AutofillPopupBridge_show(
       env, java_object_.obj(), data_array.obj(), controller_->IsRTL());
 }
 
-void AutofillPopupViewAndroid::SuggestionSelected(JNIEnv* env,
-                                                  jobject obj,
-                                                  jint list_index) {
+void AutofillPopupViewAndroid::SuggestionSelected(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    jint list_index) {
   // Race: Hide() may have already run.
   if (controller_)
     controller_->AcceptSuggestion(list_index);
 }
 
-void AutofillPopupViewAndroid::DeletionRequested(JNIEnv* env,
-                                                jobject obj,
-                                                jint list_index) {
+void AutofillPopupViewAndroid::DeletionRequested(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    jint list_index) {
   if (!controller_)
     return;
 
   base::string16 confirmation_title, confirmation_body;
   if (!controller_->GetRemovalConfirmationText(list_index, &confirmation_title,
           &confirmation_body)) {
     return;
   }
 
   deleting_index_ = list_index;
   Java_AutofillPopupBridge_confirmDeletion(
       env,
       java_object_.obj(),
       base::android::ConvertUTF16ToJavaString(
           env, confirmation_title).obj(),
       base::android::ConvertUTF16ToJavaString(
           env, confirmation_body).obj());
 }
 
-void AutofillPopupViewAndroid::DeletionConfirmed(JNIEnv* env,
-                                                 jobject obj) {
+void AutofillPopupViewAndroid::DeletionConfirmed(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   if (!controller_)
     return;
 
   CHECK_GE(deleting_index_, 0);
   controller_->RemoveSuggestion(deleting_index_);
 }
 
-void AutofillPopupViewAndroid::PopupDismissed(JNIEnv* env, jobject obj) {
+void AutofillPopupViewAndroid::PopupDismissed(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   if (controller_)
     controller_->ViewDestroyed();
 
   delete this;
 }
 
 void AutofillPopupViewAndroid::InvalidateRow(size_t) {}
 
 // static
 bool AutofillPopupViewAndroid::RegisterAutofillPopupViewAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 // static
 AutofillPopupView* AutofillPopupView::Create(
     AutofillPopupController* controller) {
   if (IsKeyboardAccessoryEnabled())
     return new AutofillKeyboardAccessoryView(controller);
 
   return new AutofillPopupViewAndroid(controller);
 }
 
 }  // namespace autofill