[Docking] Persists docked state for tab-less browser windows

chrome/browser/ui/views/chrome_views_delegate.cc

Index: chrome/browser/ui/views/chrome_views_delegate.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate.cc b/chrome/browser/ui/views/chrome_views_delegate.cc
index b11549e0ed822b10d839e10ff57988733fc11f0f..0b46a252e1d413b76792ed9b51aeeae1028b9ab2 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate.cc
@@ -160,6 +160,7 @@ void ChromeViewsDelegate::SaveWindowPlacement(const views::Widget* window,
   window_preferences->SetInteger("bottom", bounds.bottom());
   window_preferences->SetBoolean("maximized",
                                  show_state == ui::SHOW_STATE_MAXIMIZED);
+  window_preferences->SetBoolean("docked", show_state == ui::SHOW_STATE_DOCKED);
   gfx::Rect work_area(gfx::Screen::GetScreenFor(window->GetNativeView())->
       GetDisplayNearestWindow(window->GetNativeView()).work_area());
   window_preferences->SetInteger("work_area_left", work_area.x());