Wrench Icon: Only animate low severity status once

chrome/browser/ui/toolbar/wrench_icon_painter.cc

 // 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.
 
 #include "chrome/browser/ui/toolbar/wrench_icon_painter.h"
 
 #include "grit/theme_resources.h"
 #include "ui/base/animation/multi_animation.h"
 #include "ui/base/theme_provider.h"
 #include "ui/gfx/canvas.h"
@@ skipping 55 matching lines @@
   return SEVERITY_LOW;
 }
 
 WrenchIconPainter::WrenchIconPainter(Delegate* delegate)
     : delegate_(delegate),
       severity_(SEVERITY_NONE) {
 }
 
 WrenchIconPainter::~WrenchIconPainter() {}
 
-void WrenchIconPainter::SetSeverity(Severity severity) {
+void WrenchIconPainter::SetSeverity(Severity severity, bool animate) {
   if (severity_ == severity)
     return;
 
   severity_ = severity;
   delegate_->ScheduleWrenchIconPaint();
   animation_.reset();
-  if (severity_ == SEVERITY_NONE)
+  if (severity_ == SEVERITY_NONE || !animate)
     return;
 
   ui::MultiAnimation::Parts parts;
   // Animate the bars left to right.
   parts.push_back(ui::MultiAnimation::Part(1300, ui::Tween::LINEAR));
   // Fade out animation.
   parts.push_back(ui::MultiAnimation::Part(1000, ui::Tween::EASE_IN));
   // Again, animate the bars left to right.
   parts.push_back(ui::MultiAnimation::Part(1300, ui::Tween::LINEAR));
 
@@ skipping 79 matching lines @@
     case SEVERITY_LOW:
       return IDR_TOOLS_BAR_LOW;
     case SEVERITY_MEDIUM:
       return IDR_TOOLS_BAR_MEDIUM;
     case SEVERITY_HIGH:
       return IDR_TOOLS_BAR_HIGH;
   }
   NOTREACHED();
   return 0;
 }