[cros] Fix regression making impossible to select grey G+ avatar, now for realz.

chrome/browser/ui/webui/options2/chromeos/user_image_source.cc

Index: chrome/browser/ui/webui/options2/chromeos/user_image_source.cc
diff --git a/chrome/browser/ui/webui/options2/chromeos/user_image_source.cc b/chrome/browser/ui/webui/options2/chromeos/user_image_source.cc
index b24a61c5126bc2f5b3be44c80e81d08d7e508169..c9bbb1ba10223f9a4e71309b94510aa37b29148a 100644
--- a/chrome/browser/ui/webui/options2/chromeos/user_image_source.cc
+++ b/chrome/browser/ui/webui/options2/chromeos/user_image_source.cc
@@ -73,6 +73,9 @@ base::RefCountedMemory* UserImageSource::GetUserImage(
       return new base::RefCountedBytes(user->animated_image());
     } else if (user->has_raw_image()) {
       return new base::RefCountedBytes(user->raw_image());
+    } else if (user->image_is_stub()) {
+      return ResourceBundle::GetSharedInstance().
+          LoadDataResourceBytes(IDR_PROFILE_PICTURE_LOADING, scale_factor);
     } else if (user->HasDefaultImage()) {
       return ResourceBundle::GetSharedInstance().
           LoadDataResourceBytes(kDefaultImageResourceIDs[user->image_index()],