Allow changing metrics reporting state without callback.

chrome/browser/metrics/chrome_metrics_service_accessor.h

Index: chrome/browser/metrics/chrome_metrics_service_accessor.h
diff --git a/chrome/browser/metrics/chrome_metrics_service_accessor.h b/chrome/browser/metrics/chrome_metrics_service_accessor.h
index 0fd4083c0ff5142595811c1c3b572ca709cb0bc0..f5b94e722188a797d4f6bba3a2384ca9e7a743d4 100644
--- a/chrome/browser/metrics/chrome_metrics_service_accessor.h
+++ b/chrome/browser/metrics/chrome_metrics_service_accessor.h
@@ -88,8 +88,9 @@ class ChromeMetricsServiceAccessor : public metrics::MetricsServiceAccessor {
   friend class extensions::ChromeExtensionWebContentsObserver;
   friend class extensions::FileManagerPrivateIsUMAEnabledFunction;
   friend class extensions::MetricsPrivateGetIsCrashReportingEnabledFunction;
-  friend void InitiateMetricsReportingChange(
-      bool, const OnMetricsReportingCallbackType&);
+  friend void ChangeMetricsReportingStateWithReply(
+      bool,
+      const OnMetricsReportingCallbackType&);
   friend class options::BrowserOptionsHandler;
   friend bool prerender::IsOmniboxEnabled(Profile* profile);
   friend class safe_browsing::IncidentReportingService;