Wrench Icon: Only animate low severity status once

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

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/toolbar/wrench_toolbar_button_cell.h"
 
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #include "ui/gfx/canvas_skia_paint.h"
 #include "ui/gfx/rect.h"
 
@@ skipping 43 matching lines @@
     wrenchIconPainter_->Paint(&canvas,
                               [[controlView window] themeProvider],
                               gfx::Rect(NSRectToCGRect(cellFrame)),
                               [self currentBezelType]);
   }
   canvas.Restore();
 
   [self drawFocusRingWithFrame:cellFrame inView:controlView];
 }
 
-- (void)setSeverity:(WrenchIconPainter::Severity)severity {
-  wrenchIconPainter_->SetSeverity(severity);
+- (void)setSeverity:(WrenchIconPainter::Severity)severity
+      shouldAnimate:(BOOL)shouldAnimate {
+  wrenchIconPainter_->SetSeverity(severity, shouldAnimate);
 }
 
 - (void)commonInit {
   delegate_.reset(new WrenchIconPainterDelegateMac(self));
   wrenchIconPainter_.reset(new WrenchIconPainter(delegate_.get()));
 }
 
 - (WrenchIconPainter::BezelType)currentBezelType {
   if ([self isHighlighted])
     return WrenchIconPainter::BEZEL_PRESSED;
   if ([self isMouseInside])
     return WrenchIconPainter::BEZEL_HOVER;
   return WrenchIconPainter::BEZEL_NONE;
 }
 
 @end