Save and restore State for ShellWindows, including panels

chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc

Index: chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
diff --git a/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc b/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
index b717e1060cf75761e3a3da01122ca136138779ed..6e3a488f10c2dd4274e49c060caea5c5be9ca6b4 100644
--- a/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
+++ b/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
@@ -170,6 +170,12 @@ gfx::Rect NativeAppWindowGtk::GetRestoredBounds() const {
   return window_bounds;
 }
 
+ui::WindowShowState NativeAppWindowGtk::GetRestoredState() const {
+  if (IsMaximized())
+    return ui::SHOW_STATE_MAXIMIZED;
+  return ui::SHOW_STATE_NORMAL;
+}
+
 gfx::Rect NativeAppWindowGtk::GetBounds() const {
   gfx::Rect window_bounds = bounds_;
   window_bounds.Inset(-GetFrameInsets());
@@ -485,6 +491,10 @@ bool NativeAppWindowGtk::IsFullscreenOrPending() const {
   return content_thinks_its_fullscreen_;
 }
 
+bool NativeAppWindowGtk::IsDetached() const {
+  return false;
+}
+
 void NativeAppWindowGtk::UpdateWindowIcon() {
   Profile* profile = shell_window_->profile();
   gfx::Image app_icon = shell_window_->app_icon();