Fixed crash on double profile delete operation.

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 ed8c787a0f7013e2dfebe428f6144f205532acfe..23c0da21837aa886b635fea227a2b2b39af4d3e4 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -189,6 +189,10 @@ class ProfileManager : public base::NonThreadSafe,
   ProfileShortcutManager* profile_shortcut_manager();
 
 #if !defined(OS_ANDROID)
+  // Less strict version of ScheduleProfileForDeletion(), silently fail if
+  // profile already marked for deletion.
+  bool MaybeScheduleProfileForDeletion(const base::FilePath& profile_dir,
+                                       const CreateCallback& callback);
   // Schedules the profile at the given path to be deleted on shutdown. If we're
   // deleting the last profile, a new one will be created in its place, and in
   // that case the callback will be called when profile creation is complete.