[Win,Linux] New avatar menu: Don't allow supervised users to edit their profile name.

chrome/browser/ui/views/profiles/profile_chooser_view.cc

Index: chrome/browser/ui/views/profiles/profile_chooser_view.cc
diff --git a/chrome/browser/ui/views/profiles/profile_chooser_view.cc b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
index 5fedd953cc6046e86be0fa3c5d4ad4ad04e28ac3..c3c25bc78643868e9543060a247a68d22b308369 100644
--- a/chrome/browser/ui/views/profiles/profile_chooser_view.cc
+++ b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
@@ -972,8 +972,10 @@ views::View* ProfileChooserView::CreateCurrentProfileView(
   layout->AddView(current_profile_photo_);
 
   // Profile name, centered.
+  bool editing_allowed = !is_guest && !browser_->profile()->IsManaged();
   current_profile_name_ = new EditableProfileName(
-      this, profiles::GetAvatarNameForProfile(browser_->profile()), !is_guest);
+      this, profiles::GetAvatarNameForProfile(browser_->profile()),
+                                              editing_allowed);
   layout->StartRow(1, 0);
   layout->AddView(current_profile_name_);