Animate the OverviewButtonTray

ash/system/overview/overview_button_tray_unittest.cc

 // Copyright 2014 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/system/overview/overview_button_tray.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/system/status_area_widget.h"
+#include "ash/system/tray/tray_background_view.h"
 #include "ash/system/user/login_status.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/status_area_widget_test_helper.h"
 #include "ash/wm/overview/window_selector_controller.h"
 #include "base/time/time.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/gestures/gesture_types.h"
 #include "ui/views/controls/image_view.h"
 
@@ skipping 11 matching lines @@
       overview_button_tray();
 }
 
 }  // namespace
 
 class OverviewButtonTrayTest : public test::AshTestBase {
  public:
   OverviewButtonTrayTest() {}
   virtual ~OverviewButtonTrayTest() {}
 
+  virtual void SetUp() OVERRIDE {
+    TrayBackgroundView::DisableAnimationsForTest();
+    test::AshTestBase::SetUp();
+  }
+
  protected:
   views::ImageView* GetImageView(OverviewButtonTray* tray) {
     return tray->icon_;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(OverviewButtonTrayTest);
 };
 
 // Ensures that creation doesn't cause any crashes and adds the image icon.
@@ skipping 64 matching lines @@
   Shell::GetInstance()->UpdateAfterLoginStatusChange(user::LOGGED_IN_NONE);
   EXPECT_FALSE(GetTray()->visible());
   SetUserLoggedIn(true);
   SetSessionStarted(true);
   Shell::GetInstance()->UpdateAfterLoginStatusChange(user::LOGGED_IN_USER);
   EXPECT_TRUE(GetTray()->visible());
   Shell::GetInstance()->EnableMaximizeModeWindowManager(false);
 }
 
 }  // namespace ash