Moves ImmersiveFullscreenController::SetupForTest into test class

chrome/browser/ui/views/frame/immersive_mode_controller_ash_unittest.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 "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
 
 #include "ash/common/ash_switches.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shelf/shelf_types.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
+#include "ash/test/immersive_fullscreen_controller_test_api.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller_test.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
 #include "chrome/browser/ui/views/frame/test_with_browser_view.h"
 #include "chrome/browser/ui/views/frame/top_container_view.h"
 #include "chrome/browser/ui/views/tabs/tab_strip.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
 #include "ui/aura/window.h"
 #include "ui/views/controls/webview/webview.h"
 
 class ImmersiveModeControllerAshTest : public TestWithBrowserView {
  public:
   ImmersiveModeControllerAshTest()
       : TestWithBrowserView(Browser::TYPE_TABBED, false) {}
   ImmersiveModeControllerAshTest(Browser::Type browser_type, bool hosted_app)
       : TestWithBrowserView(browser_type, hosted_app) {}
   ~ImmersiveModeControllerAshTest() override {}
 
   // TestWithBrowserView override:
   void SetUp() override {
     TestWithBrowserView::SetUp();
 
     browser()->window()->Show();
 
     controller_ = browser_view()->immersive_mode_controller();
-    controller_->SetupForTest();
+    ASSERT_EQ(ImmersiveModeController::Type::ASH, controller_->type());
+    ash::ImmersiveFullscreenControllerTestApi(
+        static_cast<ImmersiveModeControllerAsh*>(controller_)->controller())
+        .SetupForTest();
   }
 
   // Returns the bounds of |view| in widget coordinates.
   gfx::Rect GetBoundsInWidget(views::View* view) {
     return view->ConvertRectToWidget(view->GetLocalBounds());
   }
 
   // Toggle the browser's fullscreen state.
   void ToggleFullscreen() {
     // NOTIFICATION_FULLSCREEN_CHANGED is sent asynchronously. The notification
@@ skipping 317 matching lines @@
 
   // Exit immersive fullscreen. The web contents should be back below the window
   // header.
   ToggleFullscreen();
   EXPECT_FALSE(browser_view()->GetWidget()->IsFullscreen());
   EXPECT_FALSE(controller()->IsEnabled());
   EXPECT_FALSE(tabstrip->visible());
   EXPECT_FALSE(toolbar->visible());
   EXPECT_EQ(header_height, GetBoundsInWidget(contents_web_view).y());
 }