Wrench Icon: Only animate low severity status once

chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm

Index: chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
diff --git a/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm b/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
index 08b7371da8005d7717c0477c3de5c65741d5add1..5ceaf288937e9402e0d601413cc34a079854f527 100644
--- a/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
+++ b/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
@@ -561,8 +561,17 @@ class NotificationBridge
   WrenchToolbarButtonCell* cell =
       base::mac::ObjCCastStrict<WrenchToolbarButtonCell>([wrenchButton_ cell]);
   if (UpgradeDetector::GetInstance()->notify_upgrade()) {
-    [cell setSeverity:WrenchIconPainter::SeverityFromUpgradeLevel(
-        UpgradeDetector::GetInstance()->upgrade_notification_stage())];
+    WrenchIconPainter::Severity severity =
+        WrenchIconPainter::SeverityFromUpgradeLevel(
+            UpgradeDetector::GetInstance()->upgrade_notification_stage());
+    bool shouldAnimate = true;
+    if (severity == WrenchIconPainter::SEVERITY_LOW) {
+      // Only animate low severity upgrades once.
+      static bool sShouldAnimate = true;
+      shouldAnimate = sShouldAnimate;
+      sShouldAnimate = false;
+    }
+    [cell setSeverity:severity shouldAnimate:shouldAnimate];
     return;
   }
 
@@ -570,11 +579,12 @@ class NotificationBridge
       browser_->profile())->GetHighestSeverityGlobalErrorWithWrenchMenuItem();
   if (error) {
     [cell setSeverity:WrenchIconPainter::SeverityFromGlobalErrorSeverity(
-        error->GetSeverity())];
+        error->GetSeverity())
+        shouldAnimate:YES];
     return;
   }
 
-  [cell setSeverity:WrenchIconPainter::SEVERITY_NONE];
+  [cell setSeverity:WrenchIconPainter::SEVERITY_NONE shouldAnimate:YES];
 }
 
 - (void)prefChanged:(const std::string&)prefName {