Straighten up includes of host_desktop.h/host_desktop_type.h

chrome/browser/app_controller_mac_browsertest.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 #import <Foundation/Foundation.h>
 #import <Foundation/NSAppleEventDescriptor.h>
 #import <objc/message.h>
 #import <objc/runtime.h>
@@ skipping 30 matching lines @@
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "extensions/browser/app_window/app_window_registry.h"
 #include "extensions/common/extension.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
+#include "ui/gfx/host_desktop_type.h"
 
 namespace {
 
 GURL g_open_shortcut_url = GURL::EmptyGURL();
 
 // Returns an Apple Event that instructs the application to open |url|.
 NSAppleEventDescriptor* AppleEventToOpenUrl(const GURL& url) {
   NSAppleEventDescriptor* shortcut_event = [[[NSAppleEventDescriptor alloc]
       initWithEventClass:kASAppleScriptSuite
                  eventID:kASSubroutineEvent
@@ skipping 630 matching lines @@
   ui_test_utils::NavigateToURL(browser3, test_url1);
   EXPECT_EQ(g_handoff_url, GURL());
 
   // Activate the original browser window.
   Browser* browser1 = active_browser_list->get(0);
   browser1->window()->Show();
   EXPECT_EQ(g_handoff_url, test_url2);
 }
 
 }  // namespace