Reverse error and warning icons on app menu.

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

 // Copyright 2016 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/app_toolbar_button.h"
 
 #include "base/macros.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #import "chrome/browser/ui/cocoa/view_id_util.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ skipping 42 matching lines @@
 
 - (gfx::VectorIconId)vectorIconId {
   CHECK(ui::MaterialDesignController::IsModeMaterial());
   switch (type_) {
     case AppMenuIconController::IconType::NONE:
       DCHECK_EQ(severity_, AppMenuIconPainter::SEVERITY_NONE);
       return gfx::VectorIconId::BROWSER_TOOLS;
     case AppMenuIconController::IconType::UPGRADE_NOTIFICATION:
       return gfx::VectorIconId::BROWSER_TOOLS_UPDATE;
     case AppMenuIconController::IconType::GLOBAL_ERROR:
+    case AppMenuIconController::IconType::INCOMPATIBILITY_WARNING:
       return gfx::VectorIconId::BROWSER_TOOLS_ERROR;
-    case AppMenuIconController::IconType::INCOMPATIBILITY_WARNING:
-      return gfx::VectorIconId::BROWSER_TOOLS_WARNING;
   }
 
   return gfx::VectorIconId::VECTOR_ICON_NONE;
 }
 
 - (SkColor)vectorIconColor:(BOOL)themeIsDark {
   switch (severity_) {
     case AppMenuIconPainter::Severity::SEVERITY_NONE:
       return themeIsDark ? SK_ColorWHITE : gfx::kChromeIconGrey;
       break;
@@ skipping 20 matching lines @@
       shouldAnimate:(BOOL)shouldAnimate {
   if (severity != severity_ || type != type_) {
     severity_ = severity;
     type_ = type;
     // Update the button state images with the new severity color or icon type.
     [self resetButtonStateImages];
   }
 }
 
 @end