Implement native web notifications for mac

chrome/browser/notifications/notification_ui_manager_android.cc

 // Copyright 2014 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/notifications/notification_ui_manager_android.h"
 
 #include <utility>
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_array.h"
@@ skipping 49 matching lines @@
 static void InitializeNotificationUIManager(JNIEnv* env,
                                             const JavaParamRef<jclass>& clazz) {
   g_browser_process->notification_ui_manager();
 }
 
 // static
 NotificationUIManager* NotificationUIManager::Create(PrefService* local_state) {
   return new NotificationUIManagerAndroid();
 }
 
+// static
+NotificationUIManager*
+NotificationUIManager::CreateNativeNotificationManager() {
+  return nullptr;
+}
+
 NotificationUIManagerAndroid::NotificationUIManagerAndroid() {
   java_object_.Reset(
       Java_NotificationUIManager_create(
           AttachCurrentThread(),
           reinterpret_cast<intptr_t>(this),
           base::android::GetApplicationContext()));
 }
 
 NotificationUIManagerAndroid::~NotificationUIManagerAndroid() {
   Java_NotificationUIManager_destroy(AttachCurrentThread(),
@@ skipping 185 matching lines @@
   return false;
 }
 
 void NotificationUIManagerAndroid::CancelAll() {
   NOTREACHED();
 }
 
 bool NotificationUIManagerAndroid::RegisterNotificationUIManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }