[Mac] Fix Animation Issue With the Security State Decoration

chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm

Index: chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm b/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
index de21a1326e0764199d17b91f4a6bb064e3b8aa0d..2596751860805fb55d359f3b1b34c25672a690e5 100644
--- a/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
+++ b/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
@@ -133,6 +133,10 @@ bool SecurityStateBubbleDecoration::AnimatingOut() const {
   return !animation_.IsShowing() && animation_.GetCurrentValue() != 0.0;
 }
 
+void SecurityStateBubbleDecoration::ResetAnimation() {
+  animation_.Reset();
+}
+
 //////////////////////////////////////////////////////////////////
 // SecurityStateBubbleDecoration::LocationBarDecoration: