[Profiles] Notify observers if a profile switches bw/ default and custom names.

chrome/browser/profiles/profile_info_cache.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile_info_cache.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/logging.h"
@@ skipping 721 matching lines @@
   info->SetBoolean(kProfileIsEphemeral, value);
   // This takes ownership of |info|.
   SetInfoForProfileAtIndex(index, info.release());
 }
 
 void ProfileInfoCache::SetProfileIsUsingDefaultNameAtIndex(
     size_t index, bool value) {
   if (value == ProfileIsUsingDefaultNameAtIndex(index))
     return;
 
+  base::string16 old_display_name = GetNameOfProfileAtIndex(index);
+
   scoped_ptr<base::DictionaryValue> info(
       GetInfoForProfileAtIndex(index)->DeepCopy());
   info->SetBoolean(kIsUsingDefaultNameKey, value);
   // This takes ownership of |info|.
   SetInfoForProfileAtIndex(index, info.release());
+
+  base::string16 new_display_name = GetNameOfProfileAtIndex(index);
+  const base::FilePath profile_path = GetPathOfProfileAtIndex(index);
+
+  if (old_display_name != new_display_name) {
+    FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
+                      observer_list_,
+                      OnProfileNameChanged(profile_path, old_display_name));
+  }
 }
 
 void ProfileInfoCache::SetProfileIsUsingDefaultAvatarAtIndex(
     size_t index, bool value) {
   if (value == ProfileIsUsingDefaultAvatarAtIndex(index))
     return;
 
   scoped_ptr<base::DictionaryValue> info(
       GetInfoForProfileAtIndex(index)->DeepCopy());
   info->SetBoolean(kIsUsingDefaultAvatarKey, value);
@@ skipping 375 matching lines @@
   std::vector<base::FilePath>::const_iterator it;
   for (it = profiles_to_rename.begin(); it != profiles_to_rename.end(); ++it) {
     size_t profile_index = GetIndexOfProfileWithPath(*it);
     SetProfileIsUsingDefaultNameAtIndex(profile_index, true);
     // This will assign a new "Person %d" type name and re-sort the cache.
     SetNameOfProfileAtIndex(profile_index, ChooseNameForNewProfile(
         GetAvatarIconIndexOfProfileAtIndex(profile_index)));
   }
 #endif
 }