Add a feature flag for the security verbose

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 ae6adbbd4f1739245dbc21ac79b681bbbcec0a8f..2f37f51ea8f78960fc5eef0929eca6d9bfe3ca85 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -138,6 +138,12 @@ const base::Feature kRunAllFlashInAllowMode{"RunAllFlashInAllowMode",
 const base::Feature kSafeSearchUrlReporting{"SafeSearchUrlReporting",
                                             base::FEATURE_DISABLED_BY_DEFAULT};
 
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+// Sets the visibility and animation of the security chip.
+const base::Feature kSecurityChip{"SecurityChip",
+                                  base::FEATURE_DISABLED_BY_DEFAULT};
+#endif
+
 // A new user experience for transitioning into fullscreen and mouse pointer
 // lock states.
 const base::Feature kSimplifiedFullscreenUI{"ViewsSimplifiedFullscreenUI",