Add flag to enable immersive fullscreen for v2 apps

chrome/browser/ui/views/apps/native_app_window_views.h

 // Copyright 2013 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_VIEWS_APPS_NATIVE_APP_WINDOW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_APPS_NATIVE_APP_WINDOW_VIEWS_H_
 
 #include "apps/shell_window.h"
 #include "apps/ui/native_app_window.h"
 #include "base/observer_list.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/widget/widget_observer.h"
 
 #if defined(OS_WIN)
 #include "chrome/browser/shell_integration.h"
 #endif
 
+#if defined(USE_ASH)
+namespace ash {
+class ImmersiveFullscreenController;
+}
+#endif
+
 class ExtensionKeybindingRegistryViews;
 class Profile;
 
 namespace apps {
 class ShellWindowFrameView;
 }
 
 namespace content {
 class RenderViewHost;
 class WebContents;
@@ skipping 98 matching lines @@
   virtual void Layout() OVERRIDE;
   virtual void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual gfx::Size GetMaximumSize() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
 
   // NativeAppWindow implementation.
-  virtual void SetFullscreen(bool fullscreen) OVERRIDE;
-  virtual bool IsFullscreenOrPending() const OVERRIDE;
+  virtual void SetFullscreen(apps::ShellWindow::FullscreenType type) OVERRIDE;
+  virtual bool SupportsImmersiveFullscreen() const OVERRIDE;
   virtual bool IsDetached() const OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
   virtual void UpdateDraggableRegions(
       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
   virtual SkRegion* GetDraggableRegion() OVERRIDE;
   virtual void UpdateInputRegion(scoped_ptr<SkRegion> region) OVERRIDE;
   virtual void HandleKeyboardEvent(
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
   virtual bool IsFrameless() const OVERRIDE;
@@ skipping 33 matching lines @@
   const bool frameless_;
   const bool transparent_background_;
   gfx::Size preferred_size_;
   bool resizable_;
 
   // The class that registers for keyboard shortcuts for extension commands.
   scoped_ptr<ExtensionKeybindingRegistryViews> extension_keybinding_registry_;
 
   views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
 
-  base::WeakPtrFactory<NativeAppWindowViews> weak_ptr_factory_;
+#if defined(USE_ASH)
+  // Used to put non-frameless windows into immersive fullscreen on ChromeOS. In
+  // immersive fullscreen, the window header (title bar and window controls)
+  // slides onscreen as an overlay when the mouse is hovered at the top of the
+  // screen.
+  scoped_ptr<ash::ImmersiveFullscreenController>
+      immersive_fullscreen_controller_;
+#endif
 
   ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
 
+  base::WeakPtrFactory<NativeAppWindowViews> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_APPS_NATIVE_APP_WINDOW_VIEWS_H_