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..57d6d3d6a0be438e1305bdf1dd4afa99f4c176b2 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -189,6 +189,11 @@ 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,

[achuithb, 2016/05/12 22:33:59]

comment should say something about the return value

+                                       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.