Make all tests use GetActiveDesktop() instead of hardcoding HOST_DESKTOP_TYPE_NATIVE.

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 "ash/wm/property_util.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 1305 matching lines @@
 
   // Create another browser on the second display.
   std::vector<aura::RootWindow*> roots(ash::Shell::GetAllRootWindows());
   ASSERT_EQ(2u, roots.size());
   aura::RootWindow* first_root = roots[0];
   aura::RootWindow* second_root = roots[1];
   gfx::Rect work_area = gfx::Screen::GetNativeScreen()->GetDisplayNearestWindow(
       second_root).work_area();
   work_area.Inset(20,20,20,60);
   Browser::CreateParams params(browser()->profile(),
-                               chrome::HOST_DESKTOP_TYPE_NATIVE);
+                               browser()->host_desktop_type());
   params.initial_show_state = ui::SHOW_STATE_NORMAL;
   params.initial_bounds = work_area;
   Browser* browser2 = new Browser(params);
   AddBlankTabAndShow(browser2);
 
   TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);
   ResetIDs(browser2->tab_strip_model(), 100);
 
   EXPECT_EQ(second_root,
             browser2->window()->GetNativeWindow()->GetRootWindow());
@@ skipping 376 matching lines @@
                         DifferentDeviceScaleFactorDisplayTabDragControllerTest,
                         ::testing::Values("mouse"));
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse", "touch"));
 #else
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse"));
 #endif