Enhance chrome.app.window API with title property

chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 55 matching lines @@
 
   // Activates the window at position |index|.
   void ActivateIndexedApp(size_t index);
 
   const WindowList& windows() const { return windows_; }
 
  protected:
   AppWindowLauncherItemController(Type type,
                                   const std::string& app_id,
                                   const std::string& launch_id,
+                                  const std::string& title,
                                   ChromeLauncherController* controller);
 
   // Called when app window is removed from controller.
   virtual void OnWindowRemoved(ui::BaseWindow* window) {}
 
   // Returns the action performed. Should be one of kNoAction,
   // kExistingWindowActivated, or kExistingWindowMinimized.
   ash::ShelfItemDelegate::PerformedAction ShowAndActivateOrMinimize(
       ui::BaseWindow* window);
 
@@ skipping 13 matching lines @@
   // Pointer to the most recently active app window
   ui::BaseWindow* last_active_window_ = nullptr;
 
   // Scoped list of observed windows (for removal on destruction)
   ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
 
   DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_