Move a bunch of functions from Window onto Widget.

views/widget/native_widget_win.h

Index: views/widget/native_widget_win.h
===================================================================
--- views/widget/native_widget_win.h	(revision 87016)
+++ views/widget/native_widget_win.h	(working copy)
@@ -197,10 +197,17 @@
   virtual void CloseNow() OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
-  virtual void SetOpacity(unsigned char opacity) OVERRIDE;
-  virtual void SetAlwaysOnTop(bool on_top) OVERRIDE;
   virtual bool IsVisible() const OVERRIDE;
+  virtual void Activate() OVERRIDE;
+  virtual void Deactivate() OVERRIDE;
   virtual bool IsActive() const OVERRIDE;
+  virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
+  virtual void Maximize() OVERRIDE;
+  virtual void Minimize() OVERRIDE;
+  virtual bool IsMaximized() const OVERRIDE;
+  virtual bool IsMinimized() const OVERRIDE;
+  virtual void Restore() OVERRIDE;
+  virtual void SetOpacity(unsigned char opacity) OVERRIDE;
   virtual bool IsAccessibleWidget() const OVERRIDE;
   virtual bool ContainsNativeView(gfx::NativeView native_view) const OVERRIDE;
   virtual void RunShellDrag(View* view,
@@ -387,6 +394,9 @@
   // button if there is one, otherwise the to the Cancel button.
   virtual void SetInitialFocus();
 
+  // Executes the specified SC_command.
+  void ExecuteSystemMenuCommand(int command);
+
   // The TooltipManager.
   // WARNING: RootView's destructor calls into the TooltipManager. As such, this
   // must be destroyed AFTER root_view_.