[HBD] Hardcode SEI threshold to 30 (for testers)

chrome/browser/plugins/plugins_field_trial.cc

Index: chrome/browser/plugins/plugins_field_trial.cc
diff --git a/chrome/browser/plugins/plugins_field_trial.cc b/chrome/browser/plugins/plugins_field_trial.cc
index 6e586aa0371f35c1c74ff17779769f57e83935eb..a84a9cd809d4037da7855449338f9a24b192bcc4 100644
--- a/chrome/browser/plugins/plugins_field_trial.cc
+++ b/chrome/browser/plugins/plugins_field_trial.cc
@@ -12,8 +12,9 @@
 namespace {
 
 // The default site engagement threshold to allow Flash to be presented as an
-// available plugin.
-const double kSiteEngagementThresholdForFlash = 1.0;
+// available plugin. This value is not used for normal uses, but only for
+// developers / testers that don't have a field trial configuration.
+const double kDefaultSiteEngagementThresholdForFlash = 30.0;
 
 }  // namespace
 
@@ -45,5 +46,5 @@ double PluginsFieldTrial::GetSiteEngagementThresholdForFlash() {
       PluginsFieldTrial::kSiteEngagementThresholdForFlashKey);
   if (base::StringToDouble(param, &threshold) && threshold >= 0)
     return threshold;
-  return kSiteEngagementThresholdForFlash;
+  return kDefaultSiteEngagementThresholdForFlash;
 }