Restoring a session should restore window minimization state on Windows

views/widget/widget_delegate.h

 // Copyright (c) 2011 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 VIEWS_WIDGET_WIDGET_DELEGATE_H_
 #define VIEWS_WIDGET_WIDGET_DELEGATE_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/accessibility/accessibility_types.h"
+#include "ui/base/ui_base_types.h"
 #include "views/view.h"
 
 class SkBitmap;
 
 namespace gfx {
 class Rect;
 }
 
 namespace views {
 class ClientView;
@@ skipping 67 matching lines @@
   virtual bool ShouldShowWindowIcon() const;
 
   // Execute a command in the window's controller. Returns true if the command
   // was handled, false if it was not.
   virtual bool ExecuteWindowsCommand(int command_id);
 
   // Returns the window's name identifier. Used to identify this window for
   // state restoration.
   virtual std::wstring GetWindowName() const;
 
-  // Saves the window's bounds and maximized states. By default this uses the
+  // Saves the window's bounds and "show" state. By default this uses the
   // process' local state keyed by window name (See GetWindowName above). This
   // behavior can be overridden to provide additional functionality.
-  virtual void SaveWindowPlacement(const gfx::Rect& bounds, bool maximized);
+  virtual void SaveWindowPlacement(const gfx::Rect& bounds,
+                                   ui::WindowShowState show_state);
 
-  // Retrieves the window's bounds and maximized states.
+  // Retrieves the window's bounds and "show" states.
   // This behavior can be overridden to provide additional functionality.
-  virtual bool GetSavedWindowBounds(gfx::Rect* bounds) const;
-  virtual bool GetSavedMaximizedState(bool* maximized) const;
+  virtual bool GetSavedWindowPlacement(gfx::Rect* bounds,
+                                       ui::WindowShowState* show_state) const;
 
   // Returns true if the window's size should be restored. If this is false,
   // only the window's origin is restored and the window is given its
   // preferred size.
   // Default is true.
   virtual bool ShouldRestoreWindowSize() const;
 
   // Called when the window closes. The delegate MUST NOT delete itself during
   // this call, since it can be called afterwards. See DeleteDelegate().
   virtual void WindowClosing() {}
@@ skipping 50 matching lines @@
   virtual const Widget* GetWidget() const OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WidgetDelegateView);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_WIDGET_DELEGATE_H_