Reorder browser list on workspace switch

chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h

Index: chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h
diff --git a/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h b/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h
index 0b542ed67fa6ce160bff3a403632160d11a34bca..ed3a86bd1c6f14525dd381c70556738aa56ae7be 100644
--- a/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h
+++ b/chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h
@@ -11,9 +11,11 @@
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
+#include "ui/views/widget/desktop_aura/x11_desktop_handler_observer.h"
 
 class ChromeBrowserMainExtraPartsViewsLinux
-    : public ChromeBrowserMainExtraPartsViews {
+    : public ChromeBrowserMainExtraPartsViews,
+      public views::X11DesktopHandlerObserver {
  public:
   ChromeBrowserMainExtraPartsViewsLinux();
   ~ChromeBrowserMainExtraPartsViewsLinux() override;
@@ -24,6 +26,9 @@ class ChromeBrowserMainExtraPartsViewsLinux
   void PreCreateThreads() override;
   void PreProfileInit() override;
 
+  // Overridden from views::X11DesktopHandlerObserver.
+  void OnWorkspaceChanged(const std::string& new_workspace) override;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsViewsLinux);
 };