Reduce creation of ViewsDelegate

ash/touch/touch_observer_hud_unittest.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 "ash/touch/touch_observer_hud.h"
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/display_manager_test_api.h"
 #include "ash/touch/touch_hud_debug.h"
 #include "ash/touch/touch_hud_projection.h"
 #include "base/command_line.h"
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 #include "ui/aura/window.h"
+#include "ui/views/widget/widget.h"
 
 namespace ash {
 
 class TouchHudTestBase : public test::AshTestBase {
  public:
   TouchHudTestBase() {}
   virtual ~TouchHudTestBase() {}
 
   virtual void SetUp() OVERRIDE {
     test::AshTestBase::SetUp();
@@ skipping 554 matching lines @@
 
   SendTouchEventToInternalHud(ui::ET_TOUCH_PRESSED, gfx::Point(10, 10), 1);
   EXPECT_EQ(1, GetInternalTouchPointsCount());
 
   // Disabling projection touch HUD shoud remove it without crashing.
   DisableTouchHudProjection();
   EXPECT_EQ(NULL, GetInternalTouchHudProjection());
 }
 
 }  // namespace ash