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

chrome/browser/ui/android/javascript_app_modal_dialog_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/javascript_app_modal_dialog_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/ui/app_modal/chrome_javascript_native_dialog_factory.h"
 #include "components/app_modal/app_modal_dialog_queue.h"
@@ skipping 90 matching lines @@
   CancelAppModalDialog();
 }
 
 void JavascriptAppModalDialogAndroid::AcceptAppModalDialog() {
   base::string16 prompt_text;
   dialog_->OnAccept(prompt_text, false);
   delete this;
 }
 
 void JavascriptAppModalDialogAndroid::DidAcceptAppModalDialog(
-    JNIEnv* env, jobject, jstring prompt, bool should_suppress_js_dialogs) {
+    JNIEnv* env,
+    const JavaParamRef<jobject>&,
+    const JavaParamRef<jstring>& prompt,
+    bool should_suppress_js_dialogs) {
   base::string16 prompt_text =
       base::android::ConvertJavaStringToUTF16(env, prompt);
   dialog_->OnAccept(prompt_text, should_suppress_js_dialogs);
   delete this;
 }
 
 void JavascriptAppModalDialogAndroid::CancelAppModalDialog() {
   dialog_->OnCancel(false);
   delete this;
 }
 
 bool JavascriptAppModalDialogAndroid::IsShowing() const {
   return true;
 }
 
 void JavascriptAppModalDialogAndroid::DidCancelAppModalDialog(
-    JNIEnv* env, jobject, bool should_suppress_js_dialogs) {
+    JNIEnv* env,
+    const JavaParamRef<jobject>&,
+    bool should_suppress_js_dialogs) {
   dialog_->OnCancel(should_suppress_js_dialogs);
   delete this;
 }
 
 const ScopedJavaGlobalRef<jobject>&
     JavascriptAppModalDialogAndroid::GetDialogObject() const {
   return dialog_jobject_;
 }
 
 // static
@@ skipping 48 matching lines @@
 };
 
 }  // namespace
 
 void InstallChromeJavaScriptNativeDialogFactory() {
   app_modal::JavaScriptDialogManager::GetInstance()->
       SetNativeDialogFactory(
           make_scoped_ptr(new ChromeJavaScriptNativeDialogAndroidFactory));
 }