make menus, bubbles, etc. top level windows on aura

ui/views/widget/desktop_aura/desktop_root_window_host_win.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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 
 #include "ui/aura/root_window_host.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_root_window_host.h"
@@ skipping 29 matching lines @@
       const gfx::Rect& initial_bounds);
   virtual ~DesktopRootWindowHostWin();
 
   // A way of converting an HWND into a content window.
   static aura::Window* GetContentWindowForHWND(HWND hwnd);
 
  protected:
   // Overridden from DesktopRootWindowHost:
   virtual aura::RootWindow* Init(aura::Window* content_window,
                                  const Widget::InitParams& params) OVERRIDE;
+  virtual void InitFocus(aura::Window* window) OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void CloseNow() OVERRIDE;
   virtual aura::RootWindowHost* AsRootWindowHost() OVERRIDE;
   virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE;
   virtual void ShowMaximizedWithBounds(
       const gfx::Rect& restored_bounds) OVERRIDE;
   virtual bool IsVisible() const OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
   virtual void GetWindowPlacement(
@@ skipping 57 matching lines @@
   virtual void SetFocusWhenShown(bool focus_when_shown) OVERRIDE;
   virtual bool CopyAreaToSkCanvas(const gfx::Rect& source_bounds,
                                   const gfx::Point& dest_offset,
                                   SkCanvas* canvas) OVERRIDE;
   virtual bool GrabSnapshot(
       const gfx::Rect& snapshot_bounds,
       std::vector<unsigned char>* png_representation) OVERRIDE;
   virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
   virtual void PrepareForShutdown() OVERRIDE;
+  virtual void SetHostWindowExpansion(const gfx::Rect& extra) OVERRIDE;
 
   // Overridden from HWNDMessageHandlerDelegate:
   virtual bool IsWidgetWindow() const OVERRIDE;
   virtual bool IsUsingCustomFrame() const OVERRIDE;
   virtual void SchedulePaint() OVERRIDE;
   virtual void EnableInactiveRendering() OVERRIDE;
   virtual bool IsInactiveRenderingDisabled() OVERRIDE;
   virtual bool CanResize() const OVERRIDE;
   virtual bool CanMaximize() const OVERRIDE;
   virtual bool CanActivate() const OVERRIDE;
   virtual bool WidgetSizeIsClientSize() const OVERRIDE;
   virtual bool CanSaveFocus() const OVERRIDE;
   virtual void SaveFocusOnDeactivate() OVERRIDE;
   virtual void RestoreFocusOnActivate() OVERRIDE;
   virtual void RestoreFocusOnEnable() OVERRIDE;
   virtual bool IsModal() const OVERRIDE;
   virtual int GetInitialShowState() const OVERRIDE;
   virtual bool WillProcessWorkAreaChange() const OVERRIDE;
   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
   virtual void GetWindowMask(const gfx::Size& size, gfx::Path* path) OVERRIDE;
   virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE;
   virtual void GetMinMaxSize(gfx::Size* min_size,
                              gfx::Size* max_size) const OVERRIDE;
   virtual gfx::Size GetRootViewSize() const OVERRIDE;
   virtual void ResetWindowControls() OVERRIDE;
   virtual void PaintLayeredWindow(gfx::Canvas* canvas) OVERRIDE;
   virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
   virtual bool ShouldHandleSystemCommands() const OVERRIDE;

[scottmg, 2013/03/14 22:51:53]

(due to rebase, not this CL)

   virtual InputMethod* GetInputMethod() OVERRIDE;
   virtual void HandleAppDeactivated() OVERRIDE;
   virtual void HandleActivationChanged(bool active) OVERRIDE;
   virtual bool HandleAppCommand(short command) OVERRIDE;
   virtual void HandleCancelMode() OVERRIDE;
   virtual void HandleCaptureLost() OVERRIDE;
   virtual void HandleClose() OVERRIDE;
   virtual bool HandleCommand(int command) OVERRIDE;
   virtual void HandleAccelerator(const ui::Accelerator& accelerator) OVERRIDE;
   virtual void HandleCreate() OVERRIDE;
@@ skipping 62 matching lines @@
 
   // In some cases, we set a screen position client on |root_window_|. If we
   // do, we're responsible for the lifetime.
   scoped_ptr<aura::client::ScreenPositionClient> position_client_;
 
   // Controls visibility of the cursor.
   scoped_ptr<views::corewm::CursorManager> cursor_client_;
 
   scoped_ptr<DesktopDragDropClientWin> drag_drop_client_;
 
+  // Extra size added to the host window. Typically, the window size matches
+  // the contained content, however, when performing a translating or scaling
+  // animation the window has to be enlarged so that the content is not
+  // clipped.
+  gfx::Rect window_expansion_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopRootWindowHostWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_