Fix stylus tools palette.

ash/system/status_area_widget_unittest.cc

 // Copyright 2017 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/status_area_widget.h"
 
 #include "ash/ash_switches.h"
 #include "ash/system/ime_menu/ime_menu_tray.h"
 #include "ash/system/overview/overview_button_tray.h"
 #include "ash/system/palette/palette_tray.h"
@@ skipping 51 matching lines @@
  public:
   StatusAreaWidgetPaletteTest() {}
   ~StatusAreaWidgetPaletteTest() override {}
 
   // testing::Test:
   void SetUp() override {
     // TODO(erg): The implementation of PaletteTray assumes it can talk directly
     // to ui::InputDeviceManager in a mus environment, which it can't.
     if (aura::Env::GetInstance()->mode() != aura::Env::Mode::MUS) {
       base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
-      cmd->AppendSwitch(switches::kAshForceEnablePalette);
+      cmd->AppendSwitch(switches::kAshForceEnableStylusTools);
       // It's difficult to write a test that marks the primary display as
       // internal before the status area is constructed. Just force the palette
       // for all displays.
       cmd->AppendSwitch(switches::kAshEnablePaletteOnAllDisplays);
     }
     AshTestBase::SetUp();
   }
 };
 
 // Tests that the stylus palette tray is constructed.
 TEST_F(StatusAreaWidgetPaletteTest, Basics) {
   // TODO(erg): The implementation of PaletteTray assumes it can talk directly
   // to ui::InputDeviceManager in a mus environment, which it can't.
   if (aura::Env::GetInstance()->mode() == aura::Env::Mode::MUS)
     return;
 
   StatusAreaWidget* status = StatusAreaWidgetTestHelper::GetStatusAreaWidget();
   EXPECT_TRUE(status->palette_tray());
 
   // Auto-hidden shelf would not be forced to be visible.
   EXPECT_FALSE(status->ShouldShowShelf());
 }
 
 }  // namespace ash