Change default option for EnterpriseRealtimeExtensionRequest

The feature is also behind the policy that is controlled by an admin
console's experimental. Change the flag to default on to simplify the
rollout.

Bug: 1137964
Change-Id: Ic2d02caad8b3ae9b314cbe7c06c6f74a967a8be1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2532992
Commit-Queue: Owen Min <zmin@chromium.org>
Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826905}

chrome/browser/enterprise/reporting/report_scheduler_desktop.cc

@@ -102,6 +102,10 @@ void ReportSchedulerDesktop::StartWatchingExtensionRequestIfNeeded() {
   if (!ShouldReportExtensionRequestRealtime())
     return;
 
+  // On CrOS, the function may be called twice during startup.
+  if (ExtensionRequestReportThrottler::Get()->IsEnabled())
+    return;
+
   ExtensionRequestReportThrottler::Get()->Enable(
       base::TimeDelta::FromMinutes(kThrottleTimeInMinute),
       base::BindRepeating(&ReportSchedulerDesktop::TriggerExtensionRequest,

chrome/common/chrome_features.cc

@@ -373,7 +373,7 @@ const base::Feature kEventBasedStatusReporting{
 #if !defined(OS_ANDROID)
 // Enables real-time reporting for extension request
 const base::Feature kEnterpriseRealtimeExtensionRequest{
-    "EnterpriseRealtimeExtensionRequest", base::FEATURE_DISABLED_BY_DEFAULT};
+    "EnterpriseRealtimeExtensionRequest", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
 // If enabled, this feature's |kExternalInstallDefaultButtonKey| field trial