Allow embedders to share code to override UI strings.

chrome/browser/metrics/metrics_services_manager.cc

Index: chrome/browser/metrics/metrics_services_manager.cc
diff --git a/chrome/browser/metrics/metrics_services_manager.cc b/chrome/browser/metrics/metrics_services_manager.cc
index f6c1f1f117a211dd71db87cf7895716c703c300c..59e558f3cc821967fa9fea0f3b8476e5bd297a5e 100644
--- a/chrome/browser/metrics/metrics_services_manager.cc
+++ b/chrome/browser/metrics/metrics_services_manager.cc
@@ -14,6 +14,7 @@
 #include "chrome/browser/metrics/chrome_metrics_service_client.h"
 #include "chrome/browser/metrics/metrics_reporting_state.h"
 #include "chrome/browser/metrics/variations/chrome_variations_service_client.h"
+#include "chrome/browser/metrics/variations/generated_resources_map.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_otr_state.h"
@@ -67,7 +68,11 @@ variations::VariationsService* MetricsServicesManager::GetVariationsService() {
   if (!variations_service_) {
     variations_service_ = variations::VariationsService::Create(
         make_scoped_ptr(new ChromeVariationsServiceClient()), local_state_,
-        GetMetricsStateManager(), switches::kDisableBackgroundNetworking);
+        GetMetricsStateManager(), switches::kDisableBackgroundNetworking,
+        variations::UIStringOverrider(
+            chrome_variations::kResourceHashes,
+            chrome_variations::kResourceIndices,
+            chrome_variations::kNumResources));
   }
   return variations_service_.get();
 }