Use custom profile names (if available) for signed in profiles

chrome/browser/profiles/profile_info_interface.h

Index: chrome/browser/profiles/profile_info_interface.h
diff --git a/chrome/browser/profiles/profile_info_interface.h b/chrome/browser/profiles/profile_info_interface.h
index f762fc9a3c889afa8c168ee95d2db0c32bc32e38..d369f6a971d91e80bd6c9359e0b618dabfba0d2b 100644
--- a/chrome/browser/profiles/profile_info_interface.h
+++ b/chrome/browser/profiles/profile_info_interface.h
@@ -76,6 +76,11 @@ class ProfileInfoInterface {
   // Profile is known to be ephemeral and should be deleted when closed.
   virtual bool ProfileIsEphemeralAtIndex(size_t index) const = 0;
 
+  // Returns true if the profile is using the name it was assigned by default
+  // at creation (either the old-style "Lemonade" name, or the new "Profile %d"
+  // style name).
+  virtual bool ProfileIsUsingDefaultNameAtIndex(size_t index) const = 0;
+
  protected:
   virtual ~ProfileInfoInterface() {}
 };