[HBD] Enable Plugin Power Saver on ALLOW for HBD feature flag on.

chrome/browser/plugins/plugin_info_message_filter.cc

Index: chrome/browser/plugins/plugin_info_message_filter.cc
diff --git a/chrome/browser/plugins/plugin_info_message_filter.cc b/chrome/browser/plugins/plugin_info_message_filter.cc
index b1ea5b4190e5a48fe46a6b25175f27e3b463d0c3..b8cc37ac9de78d0a2b2f2b67da1187f76308789e 100644
--- a/chrome/browser/plugins/plugin_info_message_filter.cc
+++ b/chrome/browser/plugins/plugin_info_message_filter.cc
@@ -365,7 +365,9 @@ void PluginInfoMessageFilter::Context::DecidePluginStatus(
   }
 #endif  // defined(ENABLE_EXTENSIONS)
 
-  if (plugin_setting == CONTENT_SETTING_DETECT_IMPORTANT_CONTENT) {
+  if (plugin_setting == CONTENT_SETTING_DETECT_IMPORTANT_CONTENT ||
+      (plugin_setting == CONTENT_SETTING_ALLOW &&
+       base::FeatureList::IsEnabled(features::kPreferHtmlOverPlugins))) {
     *status = ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
   } else if (plugin_setting == CONTENT_SETTING_BLOCK) {
     // For managed users with the ASK policy, we allow manually running plugins