[HBD] Don't advertise flash if PreferHtmlOverPlugins feature is enabled

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 6b511d1a0ce8a59c4e4b7fcf5ec769eb6db459e1..de5738aafa1199f942ba47b878689a13eeeed1db 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -63,6 +63,11 @@ const base::Feature kMaterialDesignHistoryFeature {
 const base::Feature kMaterialDesignSettingsFeature{
     "MaterialDesignSettings", base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Prefer HTML content by hiding Flash from the list of plugins.
+// https://crbug.com/626728
+const base::Feature kPreferHtmlOverPlugins{"PreferHtmlOverPlugins",
+                                           base::FEATURE_DISABLED_BY_DEFAULT};
+
 #if defined(OS_CHROMEOS)
 // Runtime flag that indicates whether this leak detector should be enabled in
 // the current instance of Chrome.