Refactor ProfileInfoCache in c/b/profiles

chrome/browser/profiles/profile_attributes_storage.h

Index: chrome/browser/profiles/profile_attributes_storage.h
diff --git a/chrome/browser/profiles/profile_attributes_storage.h b/chrome/browser/profiles/profile_attributes_storage.h
index cb55bf0cbffe25baaca19391940d80c1cd3b614f..cca663b8491bdcba1a0378970e65e9766e56b9d0 100644
--- a/chrome/browser/profiles/profile_attributes_storage.h
+++ b/chrome/browser/profiles/profile_attributes_storage.h
@@ -61,6 +61,9 @@ class ProfileAttributesStorage {
   // Returns a unique name that can be assigned to a newly created profile.
   virtual base::string16 ChooseNameForNewProfile(size_t icon_index) const = 0;
 
+  // Determines whether |name| is one of the default assigned names.
+  virtual bool IsDefaultProfileName(const base::string16& name) const = 0;
+
   // Returns an avatar icon index that can be assigned to a newly created
   // profile. Note that the icon may not be unique since there are a limited
   // set of default icons.