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

chrome/browser/ui/android/autofill/autofill_keyboard_accessory_view.cc

 // Copyright (c) 2015 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_keyboard_accessory_view.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/android/resource_mapper.h"
 #include "chrome/browser/ui/android/window_android_helper.h"
@@ skipping 92 matching lines @@
       AddToJavaArray(suggestion, *controller_, env, data_array.obj(), position,
                      deletable);
       positions_[position++] = i;
     }
   }
 
   Java_AutofillKeyboardAccessoryBridge_show(
       env, java_object_.obj(), data_array.obj(), controller_->IsRTL());
 }
 
-void AutofillKeyboardAccessoryView::SuggestionSelected(JNIEnv* env,
-                                                       jobject obj,
-                                                       jint list_index) {
+void AutofillKeyboardAccessoryView::SuggestionSelected(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    jint list_index) {
   // Race: Hide() may have already run.
   if (controller_)
     controller_->AcceptSuggestion(positions_[list_index]);
 }
 
-void AutofillKeyboardAccessoryView::DeletionRequested(JNIEnv* env,
-                                                      jobject obj,
-                                                      jint list_index) {
+void AutofillKeyboardAccessoryView::DeletionRequested(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    jint list_index) {
   if (!controller_)
     return;
 
   base::string16 confirmation_title, confirmation_body;
   if (!controller_->GetRemovalConfirmationText(
           positions_[list_index], &confirmation_title, &confirmation_body)) {
     return;
   }
 
   deleting_index_ = positions_[list_index];
   Java_AutofillKeyboardAccessoryBridge_confirmDeletion(
       env, java_object_.obj(),
       base::android::ConvertUTF16ToJavaString(env, confirmation_title).obj(),
       base::android::ConvertUTF16ToJavaString(env, confirmation_body).obj());
 }
 
-void AutofillKeyboardAccessoryView::DeletionConfirmed(JNIEnv* env,
-                                                      jobject obj) {
+void AutofillKeyboardAccessoryView::DeletionConfirmed(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   if (!controller_)
     return;
 
   CHECK_GE(deleting_index_, 0);
   controller_->RemoveSuggestion(deleting_index_);
 }
 
-void AutofillKeyboardAccessoryView::ViewDismissed(JNIEnv* env, jobject obj) {
+void AutofillKeyboardAccessoryView::ViewDismissed(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   if (controller_)
     controller_->ViewDestroyed();
 
   delete this;
 }
 
 void AutofillKeyboardAccessoryView::InvalidateRow(size_t) {
 }
 
 // static
 bool AutofillKeyboardAccessoryView::RegisterAutofillKeyboardAccessoryView(
     JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace autofill