Moves ImmersiveFullscreenController::SetupForTest into test class

chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 47 matching lines @@
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 #endif
 
 #if defined(USE_ASH)
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/wm/root_window_finder.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/cursor_manager_test_api.h"
+#include "ash/test/immersive_fullscreen_controller_test_api.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
+#include "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/test/event_generator_delegate_aura.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/test/event_generator.h"
 #endif
 
 using content::WebContents;
 
 namespace test {
 
@@ skipping 1959 matching lines @@
                             ->GetDisplayNearestWindow(second_root)
                             .work_area();
   browser2->window()->SetBounds(work_area);
   EXPECT_EQ(second_root,
             browser2->window()->GetNativeWindow()->GetRootWindow());
 
   // Put the second browser into immersive fullscreen.
   BrowserView* browser_view2 = BrowserView::GetBrowserViewForBrowser(browser2);
   ImmersiveModeController* immersive_controller2 =
       browser_view2->immersive_mode_controller();
-  immersive_controller2->SetupForTest();
+  ASSERT_EQ(ImmersiveModeController::Type::ASH, immersive_controller2->type());
+  ash::ImmersiveFullscreenControllerTestApi(
+      static_cast<ImmersiveModeControllerAsh*>(immersive_controller2)
+          ->controller())
+      .SetupForTest();
   chrome::ToggleFullscreenMode(browser2);
   ASSERT_TRUE(immersive_controller2->IsEnabled());
   ASSERT_FALSE(immersive_controller2->IsRevealed());
   ASSERT_TRUE(tab_strip2->IsImmersiveStyle());
 
   // Move to the first tab and drag it enough so that it detaches, but not
   // enough that it attaches to browser2.
   gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
   ASSERT_TRUE(PressInput(tab_0_center));
   ASSERT_TRUE(DragInputToNotifyWhenDone(
@@ skipping 434 matching lines @@
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse", "touch"));
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTestTouch,
                         ::testing::Values("touch"));
 #else
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse"));
 #endif