Move EntropyProvider Source From MetricsService to MetricsServicesManager

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 250dbb6c61e5b15c1b09bba90cff575c746d68cc..2c60dfeaf45b93925e1ba6ee73c5681547cffa8b 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -800,11 +800,11 @@ void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
 
   // Initialize FieldTrialList to support FieldTrials that use one-time
   // randomization.
-  metrics::MetricsService* metrics = browser_process_->metrics_service();
-
   DCHECK(!field_trial_list_);
   field_trial_list_.reset(
-      new base::FieldTrialList(metrics->CreateEntropyProvider().release()));
+      new base::FieldTrialList(browser_process_->GetMetricsServicesManager()
+                                   ->CreateEntropyProvider()
+                                   .release()));
 
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
@@ -845,6 +845,7 @@ void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
       about_flags::RegisterAllFeatureVariationParameters(
           &flags_storage, feature_list.get());
 
+  metrics::MetricsService* metrics = browser_process_->metrics_service();
   variations::VariationsHttpHeaderProvider* http_header_provider =
       variations::VariationsHttpHeaderProvider::GetInstance();
   // Force the variation ids selected in chrome://flags and/or specified using