Wires up immersive mode for chrome and mash

ash/common/frame/custom_frame_view_ash.h

 // 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.
 
 #ifndef ASH_COMMON_FRAME_CUSTOM_FRAME_VIEW_ASH_H_
 #define ASH_COMMON_FRAME_CUSTOM_FRAME_VIEW_ASH_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/views/window/non_client_view.h"
 
 namespace views {
 class Widget;
 }
 
 namespace ash {
 
 class FrameCaptionButtonContainerView;
 class HeaderView;
 class ImmersiveFullscreenController;
+class ImmersiveFullscreenControllerDelegate;
 
 // A NonClientFrameView used for packaged apps, dialogs and other non-browser
 // windows. It supports immersive fullscreen. When in immersive fullscreen, the
 // client view takes up the entire widget and the window header is an overlay.
 // The window header overlay slides onscreen when the user hovers the mouse at
 // the top of the screen. See also views::CustomFrameView and
 // BrowserNonClientFrameViewAsh.
 class ASH_EXPORT CustomFrameViewAsh : public views::NonClientFrameView {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
-  explicit CustomFrameViewAsh(views::Widget* frame);
+  // |enable_immersive| controls whether ImmersiveFullscreenController is
+  // created for the CustomFrameViewAsh; if true and a WindowStateDelegate has
+  // not been set on the WindowState associated with |frame|, then an
+  // ImmersiveFullscreenController is created.
+  // If ImmersiveFullscreenControllerDelegate is not supplied, HeaderView is
+  // used as the ImmersiveFullscreenControllerDelegate.
+  explicit CustomFrameViewAsh(
+      views::Widget* frame,
+      ImmersiveFullscreenControllerDelegate* immersive_delegate = nullptr,
+      bool enable_immersive = true);
   ~CustomFrameViewAsh() override;
 
   // Inits |immersive_fullscreen_controller| so that the controller reveals
   // and hides |header_view_| in immersive fullscreen.
   // CustomFrameViewAsh does not take ownership of
   // |immersive_fullscreen_controller|.
   void InitImmersiveFullscreenControllerForView(
       ImmersiveFullscreenController* immersive_fullscreen_controller);
 
   // Sets the active and inactive frame colors. Note the inactive frame color
@@ skipping 40 matching lines @@
 
   // Height from top of window to top of client area.
   int NonClientTopBorderHeight() const;
 
   // Not owned.
   views::Widget* frame_;
 
   // View which contains the title and window controls.
   HeaderView* header_view_;
 
+  ImmersiveFullscreenControllerDelegate* immersive_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(CustomFrameViewAsh);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_FRAME_CUSTOM_FRAME_VIEW_ASH_H_