Ensure History > Recent Tabs restore preserves window disposition.

components/sessions/core/live_tab_context.h

Index: components/sessions/core/live_tab_context.h
diff --git a/components/sessions/core/live_tab_context.h b/components/sessions/core/live_tab_context.h
index 03615b0c31aab0f813665113331e6a6ba5b4c102..9ee4ddabc28b723bb443d4119437140da4189321 100644
--- a/components/sessions/core/live_tab_context.h
+++ b/components/sessions/core/live_tab_context.h
@@ -10,6 +10,8 @@
 
 #include "components/sessions/core/session_id.h"
 #include "components/sessions/core/sessions_export.h"
+#include "ui/base/ui_base_types.h"
+#include "ui/gfx/geometry/rect.h"
 
 namespace sessions {
 
@@ -31,6 +33,9 @@ class SESSIONS_EXPORT LiveTabContext {
   virtual LiveTab* GetLiveTabAt(int index) const = 0;
   virtual LiveTab* GetActiveLiveTab() const = 0;
   virtual bool IsTabPinned(int index) const = 0;
+  virtual const gfx::Rect GetBounds() const = 0;
+  virtual ui::WindowShowState GetShowState() const = 0;
+  virtual std::string GetWorkspace() const = 0;
 
   // Note: |tab_platform_data| may be null (e.g., if |from_last_session| is
   // true, as this data is not persisted, or if the platform does not provide