DevTools: Do not close devtools if there are dirty files in workspace

chrome/browser/ui/fast_unload_controller.h

Index: chrome/browser/ui/fast_unload_controller.h
diff --git a/chrome/browser/ui/fast_unload_controller.h b/chrome/browser/ui/fast_unload_controller.h
index ad72b408e980055f0be9204ba2660b8000abcd19..a131678f6217ecc28c5cfcb3ff8987504b3131c8 100644
--- a/chrome/browser/ui/fast_unload_controller.h
+++ b/chrome/browser/ui/fast_unload_controller.h
@@ -64,6 +64,9 @@ class FastUnloadController : public content::NotificationObserver,
   // renderer.
   bool CanCloseContents(content::WebContents* contents);
 
+  // Returns true if we should allow fast shutdown for the given WebContents.
+  static bool CanFastShutdownWebContents(content::WebContents* contents);
+
   // Helper function to run beforeunload listeners on a WebContents.
   // Returns true if |contents| beforeunload listeners were invoked.
   static bool RunUnloadEventsHelper(content::WebContents* contents);