Improve ephemeral profiles clean up code.

chrome/browser/profiles/profile_manager.h

Index: chrome/browser/profiles/profile_manager.h
diff --git a/chrome/browser/profiles/profile_manager.h b/chrome/browser/profiles/profile_manager.h
index a8674de09b363d2e8f32219077bfdf2b1189a989..dc849cb6ba986e0193fd8065ab73c2420cd4bffb 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -187,6 +187,12 @@ class ProfileManager : public base::NonThreadSafe,
   void ScheduleProfileForDeletion(const base::FilePath& profile_dir,
                                   const CreateCallback& callback);
 
+  // Called on start-up if there are any stale ephemeral profiles to be deleted.
+  // This can be the case if the browser has crashed and the clean-up code had
+  // no chance to run then.
+  static void CleanUpStaleProfiles(
+      const std::vector<base::FilePath>& profile_paths);
+
   // Autoloads profiles if they are running background apps.
   void AutoloadProfiles();