[ash-md] Fixed the effective text/icon colors in the system menu.

ash/common/system/chromeos/tray_tracing.cc

 // Copyright 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 "ash/common/system/chromeos/tray_tracing.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/metrics/user_metrics_action.h"
 #include "ash/common/system/tray/actionable_view.h"
 #include "ash/common/system/tray/fixed_sized_image_view.h"
@@ skipping 53 matching lines @@
     if (!MaterialDesignController::IsSystemTrayMenuMaterial())
       return;
 
     TrayPopupItemStyle style(GetNativeTheme(),
                              TrayPopupItemStyle::FontStyle::DEFAULT_VIEW_LABEL);
     style.SetupLabel(label_);
 
     // TODO(tdanderson): Update the icon used for tracing or remove it from
     // the system menu. See crbug.com/625691.
     image_->SetImage(CreateVectorIcon(gfx::VectorIconId::CODE, kMenuIconSize,
-                                      style.GetForegroundColor()));
+                                      style.GetIconColor()));
   }
 
   bool PerformAction(const ui::Event& event) override {
     WmShell::Get()->RecordUserMetricsAction(
         UMA_STATUS_AREA_TRACING_DEFAULT_SELECTED);
     WmShell::Get()->system_tray_controller()->ShowChromeSlow();
     CloseSystemBubble();
     return true;
   }
 
@@ skipping 43 matching lines @@
   default_ = NULL;
 }
 
 void TrayTracing::DestroyDetailedView() {}
 
 void TrayTracing::OnTracingModeChanged(bool value) {
   SetTrayIconVisible(value);
 }
 
 }  // namespace ash