Remove OS_CHROMEOS from ui/ash code

chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.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/ash/launcher/chrome_launcher_controller.h"
 
 #include <stddef.h>
 
 #include "ash/ash_switches.h"
 #include "ash/shelf/shelf.h"
@@ skipping 1705 matching lines @@
                         bounds_shelf_1.CenterPoint().y());
   base::MessageLoop::current()->RunUntilIdle();
   // Issue an ESC and see that the operation gets cancelled.
   generator.PressKey(ui::VKEY_ESCAPE, 0);
   generator.ReleaseKey(ui::VKEY_ESCAPE, 0);
   EXPECT_FALSE(grid_view->dragging());
   EXPECT_FALSE(grid_view->has_dragged_view());
   generator.ReleaseLeftButton();
 }
 
-#if !defined(OS_WIN)
 // Used to test drag & drop an item between app list and shelf with multi
 // display environment.
 class ShelfAppBrowserTestWithMultiMonitor
     : public ShelfAppBrowserTestNoDefaultBrowser {
  protected:
   ShelfAppBrowserTestWithMultiMonitor() {}
   ~ShelfAppBrowserTestWithMultiMonitor() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     ShelfAppBrowserTestNoDefaultBrowser::SetUpCommandLine(command_line);
@@ skipping 88 matching lines @@
                         empty_slot_rect.CenterPoint().y());
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(2, model_->item_count());
   EXPECT_FALSE(grid_view->forward_events_to_drag_and_drop_host_for_test());
 
   // Dropping it should keep the shelf as it originally was.
   generator.ReleaseLeftButton();
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(2, model_->item_count());
 }
-#endif
 
 // Do tests for removal of items from the shelf by dragging.
 // Disabled due to flake: http://crbug.com/448482
 IN_PROC_BROWSER_TEST_F(ShelfAppBrowserTest, DISABLED_DragOffShelf) {
   ui::test::EventGenerator generator(ash::Shell::GetPrimaryRootWindow(),
                                      gfx::Point());
   ash::test::ShelfViewTestAPI test(
       ash::test::ShelfTestAPI(shelf_).shelf_view());
   test.SetAnimationDuration(1);  // Speed up animations for test.
   // Create a known application and check that we have 3 items in the shelf.
@@ skipping 387 matching lines @@
   controller_->ActivateApp(bookmark_app->id(), ash::LAUNCH_FROM_APP_LIST, 0);
 
   // There should be two new browsers.
   EXPECT_EQ(3u, chrome::GetBrowserCount(browser()->profile()));
 
   // The apps should now be running, with the last opened app active.
   EXPECT_EQ(ash::STATUS_RUNNING, model_->ItemByID(hosted_app_shelf_id)->status);
   EXPECT_EQ(ash::STATUS_ACTIVE,
             model_->ItemByID(bookmark_app_shelf_id)->status);
 }