Add unittests of ArcCustomNotificationView

ui/arc/notification/arc_notification_item_impl.h

Index: ui/arc/notification/arc_notification_item_impl.h
diff --git a/ui/arc/notification/arc_notification_item.h b/ui/arc/notification/arc_notification_item_impl.h
similarity index 64%
copy from ui/arc/notification/arc_notification_item.h
copy to ui/arc/notification/arc_notification_item_impl.h
index 3df5e6aaed430ea60574cbbee2f3272f9408389c..5111ef0c28e0094653d6d63c85d1e0156f875664 100644
--- a/ui/arc/notification/arc_notification_item.h
+++ b/ui/arc/notification/arc_notification_item_impl.h
@@ -1,9 +1,9 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright 2017 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.
 
-#ifndef UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_H_
-#define UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_H_
+#ifndef UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_IMPL_H_
+#define UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_IMPL_H_
 
 #include <memory>
 #include <string>
@@ -13,6 +13,7 @@
 #include "base/threading/thread_checker.h"
 #include "components/signin/core/account_id/account_id.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/arc/notification/arc_notification_item.h"
 #include "ui/arc/notification/arc_notification_manager.h"
 #include "ui/message_center/message_center.h"
 
@@ -20,27 +21,31 @@ namespace arc {
 
 // The class represents each ARC notification. One instance of this class
 // corresponds to one ARC notification.
-class ArcNotificationItem {
+class ArcNotificationItemImpl : public ArcNotificationItem {
  public:
-  ArcNotificationItem(ArcNotificationManager* manager,
-                      message_center::MessageCenter* message_center,
-                      const std::string& notification_key,
-                      const AccountId& profile_id);
-  virtual ~ArcNotificationItem();
+  ArcNotificationItemImpl(ArcNotificationManager* manager,
+                          message_center::MessageCenter* message_center,
+                          const std::string& notification_key,
+                          const AccountId& profile_id);
+  ~ArcNotificationItemImpl() override;
 
-  virtual void UpdateWithArcNotificationData(
-      mojom::ArcNotificationDataPtr data);
+  void UpdateWithArcNotificationData(
+      mojom::ArcNotificationDataPtr data) override;
 
-  // Methods called from ArcNotificationManager:
-  void OnClosedFromAndroid();
+  void OnClosedFromAndroid() override;
+  void Close(bool by_user) override;
+  void CloseFromCloseButton() override;
+  void OpenSettings() override;
 
-  // Methods called from ArcNotificationItemDelegate:
-  void Close(bool by_user);
-  void Click();
-  void ButtonClick(int button_index);
-  void OpenSettings();
+  void AddObserver(Observer* observer) override;
+  void RemoveObserver(Observer* observer) override;
 
-  const std::string& notification_key() const { return notification_key_; }
+  void IncrementWindowRefCount() override;
+  void DecrementWindowRefCount() override;
+
+  bool pinned() const override;
+  const gfx::ImageSkia& snapshot() const override;
+  const std::string& notification_key() const override;
 
  protected:
   static int ConvertAndroidPriority(int android_priority);
@@ -76,6 +81,12 @@ class ArcNotificationItem {
   message_center::MessageCenter* const message_center_;
   const AccountId profile_id_;
 
+  bool pinned_ = false;
+  gfx::ImageSkia snapshot_;
+  int window_ref_count_ = 0;
+
+  base::ObserverList<Observer> observers_;
+
   const std::string notification_key_;
   const std::string notification_id_;
 
@@ -96,11 +107,11 @@ class ArcNotificationItem {
   mojom::ArcNotificationDataPtr newer_data_;
 
   base::ThreadChecker thread_checker_;
-  base::WeakPtrFactory<ArcNotificationItem> weak_ptr_factory_;
+  base::WeakPtrFactory<ArcNotificationItemImpl> weak_ptr_factory_;
 
-  DISALLOW_COPY_AND_ASSIGN(ArcNotificationItem);
+  DISALLOW_COPY_AND_ASSIGN(ArcNotificationItemImpl);
 };
 
 }  // namespace arc
 
-#endif  // UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_H_
+#endif  // UI_ARC_NOTIFICATION_ARC_NOTIFICATION_IMPL_ITEM_H_