Plumbing for variations headers from synthetic field trials.

components/variations/variations_associated_data.cc

Index: components/variations/variations_associated_data.cc
diff --git a/components/variations/variations_associated_data.cc b/components/variations/variations_associated_data.cc
index 6ef2343a74a2698abe5a53f007e8345d5d877069..857ded57d5e3bf95fa48e4130ef52eac04e58781 100644
--- a/components/variations/variations_associated_data.cc
+++ b/components/variations/variations_associated_data.cc
@@ -184,17 +184,29 @@ void AssociateGoogleVariationIDForce(IDCollectionKey key,
                                      const std::string& trial_name,
                                      const std::string& group_name,
                                      VariationID id) {
-  GroupMapAccessor::GetInstance()->AssociateID(
-      key, MakeActiveGroupId(trial_name, group_name), id, true);
+  AssociateGoogleVariationIDForceHashes(
+      key, MakeActiveGroupId(trial_name, group_name), id);
+}
+
+void AssociateGoogleVariationIDForceHashes(IDCollectionKey key,
+                                           const ActiveGroupId& active_group,
+                                           VariationID id) {
+  GroupMapAccessor::GetInstance()->AssociateID(key, active_group, id, true);
 }
 
 VariationID GetGoogleVariationID(IDCollectionKey key,
                                  const std::string& trial_name,
                                  const std::string& group_name) {
-  return GroupMapAccessor::GetInstance()->GetID(
+  return GetGoogleVariationIDFromHashes(
       key, MakeActiveGroupId(trial_name, group_name));
 }
 
+VariationID GetGoogleVariationIDFromHashes(
+    IDCollectionKey key,
+    const ActiveGroupId& active_group) {
+  return GroupMapAccessor::GetInstance()->GetID(key, active_group);
+}
+
 bool AssociateVariationParams(
     const std::string& trial_name,
     const std::string& group_name,