Save and restore State for ShellWindows, including panels

chrome/browser/ui/base_window.h

Index: chrome/browser/ui/base_window.h
diff --git a/chrome/browser/ui/base_window.h b/chrome/browser/ui/base_window.h
index deaa700d549103304280f8d383dedda94f4dce6e..823b7dc0691425da77205cdd1e45cb49cc649c83 100644
--- a/chrome/browser/ui/base_window.h
+++ b/chrome/browser/ui/base_window.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_BASE_WINDOW_H_
 
 #include "base/compiler_specific.h"
+#include "ui/base/ui_base_types.h"  // WindowShowState
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
@@ -38,6 +39,9 @@ class BaseWindow {
   // currently maximized or minimized) in terms of the screen coordinates.
   virtual gfx::Rect GetRestoredBounds() const = 0;
 
+  // Returns the restore state for the window (platform dependent).
+  virtual ui::WindowShowState GetRestoredState() const = 0;
+
   // Retrieves the window's current bounds, including its window.
   // This will only differ from GetRestoredBounds() for maximized
   // and minimized windows.