Registering field trial for a feature overridden in chrome://flags.

components/flags_ui/flags_state.h

Index: components/flags_ui/flags_state.h
diff --git a/components/flags_ui/flags_state.h b/components/flags_ui/flags_state.h
index 6f0ff1f87c865a5ddaa587a9c2d7c10ac50613ff..470ff9a427e9678dde90cfc295f21aec6753e3b6 100644
--- a/components/flags_ui/flags_state.h
+++ b/components/flags_ui/flags_state.h
@@ -17,6 +17,7 @@
 
 namespace base {
 class ListValue;
+class FeatureList;
 }
 
 namespace flags_ui {
@@ -82,7 +83,8 @@ class FlagsState {
 
   // Registers variations parameter values stored in |flags_storage| (previously
   // selected in about:flags).
-  void RegisterAllFeatureVariationParameters(FlagsStorage* flags_storage);
+  void RegisterAllFeatureVariationParameters(FlagsStorage* flags_storage,
+                                             base::FeatureList* feature_list);
 
   // Gets the list of feature entries. Entries that are available for the
   // current platform are appended to |supported_entries|; all other entries are