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 14d9ffda44ad25e5f75d048961c8cfaa33cf33f5..7ccbde42f924ac11bd705c879e8bc90e7921a9a4 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -131,6 +131,12 @@ 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",