Add support for X11 workspaces

chrome/browser/ui/browser_window_state.h

Index: chrome/browser/ui/browser_window_state.h
diff --git a/chrome/browser/ui/browser_window_state.h b/chrome/browser/ui/browser_window_state.h
index e43a4654693bae6edd4da2bb5d4cae80266c320e..63d0f1f4ad331cd900d7452c0e25f86f67094b11 100644
--- a/chrome/browser/ui/browser_window_state.h
+++ b/chrome/browser/ui/browser_window_state.h
@@ -49,6 +49,8 @@ void SaveWindowPlacement(const Browser* browser,
                          const gfx::Rect& bounds,
                          ui::WindowShowState show_state);
 
+void SaveWindowWorkspace(const Browser* browser, int workspace_id);
+
 // Return the |bounds| for the browser window to be used upon creation.
 // The |show_state| variable will receive the desired initial show state for
 // the window.
@@ -56,6 +58,9 @@ void GetSavedWindowBoundsAndShowState(const Browser* browser,
                                       gfx::Rect* bounds,
                                       ui::WindowShowState* show_state);
 
+// Get the |workspace_id| for the browser window to be used upon creation.
+void GetSavedWindowWorkspace(const Browser* browser, int* workspace_id);
+
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_STATE_H_