Wires up immersive mode for chrome and mash

ash/mus/non_client_frame_controller.h

 // Copyright 2015 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_MUS_NON_CLIENT_FRAME_CONTROLLER_H_
 #define ASH_MUS_NON_CLIENT_FRAME_CONTROLLER_H_
 
 #include <stdint.h>
 
+#include "ash/mus/frame/detached_title_area_renderer_host.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "services/ui/public/cpp/window_observer.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace gfx {
 class Insets;
 }
 
-namespace shell {
-class Connector;
-}
-
 namespace ui {
 class Window;
 class WindowManagerClient;
 }
 
 namespace ash {
 namespace mus {
 
 // Provides the non-client frame for mus Windows.
 class NonClientFrameController : public views::WidgetDelegateView,
-                                 public ui::WindowObserver {
+                                 public ui::WindowObserver,
+                                 public DetachedTitleAreaRendererHost {
  public:
   // NonClientFrameController deletes itself when |window| is destroyed.
-  static void Create(shell::Connector* connector,
-                     ui::Window* parent,
+  static void Create(ui::Window* parent,
                      ui::Window* window,
                      ui::WindowManagerClient* window_manager_client);
 
   // Returns the preferred client area insets.
   static gfx::Insets GetPreferredClientAreaInsets();
 
   // Returns the width needed to display the standard set of buttons on the
   // title bar.
   static int GetMaxTitleBarButtonWidth();
 
   ui::Window* window() { return window_; }
 
  private:
-  NonClientFrameController(shell::Connector* connector,
-                           ui::Window* parent,
+  NonClientFrameController(ui::Window* parent,
                            ui::Window* window,
                            ui::WindowManagerClient* window_manager_client);
   ~NonClientFrameController() override;
 
+  // DetachedTitleAreaRendererHost:
+  void OnDetachedTitleAreaRendererDestroyed(
+      DetachedTitleAreaRenderer* renderer) override;
+
   // views::WidgetDelegateView:
   base::string16 GetWindowTitle() const override;
   views::View* GetContentsView() override;
   bool CanResize() const override;
   bool CanMaximize() const override;
   bool CanMinimize() const override;
   bool ShouldShowWindowTitle() const override;
   views::ClientView* CreateClientView(views::Widget* widget) override;
 
   // ui::WindowObserver:
+  void OnTreeChanged(const TreeChangeParams& params) override;
   void OnWindowSharedPropertyChanged(
       ui::Window* window,
       const std::string& name,
       const std::vector<uint8_t>* old_data,
       const std::vector<uint8_t>* new_data) override;
   void OnWindowLocalPropertyChanged(ui::Window* window,
                                     const void* key,
                                     intptr_t old) override;
   void OnWindowDestroyed(ui::Window* window) override;
 
   views::Widget* widget_;
 
   // WARNING: as widget delays destruction there is a portion of time when this
   // is null.
   ui::Window* window_;
 
+  // Used if a child window is added that has the
+  // kRendererParentTitleArea_Property set.
+  DetachedTitleAreaRenderer* detached_title_area_renderer_ = nullptr;
+
   DISALLOW_COPY_AND_ASSIGN(NonClientFrameController);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_NON_CLIENT_FRAME_CONTROLLER_H_