Remove HostDesktopType from BrowserList::GetInstance()

chrome/browser/ui/views/tabs/tab_drag_controller.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.h"
 
 #include <math.h>
 #include <set>
 
 #include "base/auto_reset.h"
@@ skipping 1793 matching lines @@
         attached_tabstrip_->GetWidget()->GetNativeWindow();
     if (dragged_window)
       exclude.insert(dragged_window);
   }
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   // Exclude windows which are pending deletion via Browser::TabStripEmpty().
   // These windows can be returned in the Linux Aura port because the browser
   // window which was used for dragging is not hidden once all of its tabs are
   // attached to another browser window in DragBrowserToNewTabStrip().
   // TODO(pkotwicz): Fix this properly (crbug.com/358482)
-  BrowserList* browser_list = BrowserList::GetInstance(
-      chrome::HOST_DESKTOP_TYPE_NATIVE);
-  for (BrowserList::const_iterator it = browser_list->begin();
-       it != browser_list->end(); ++it) {
-    if ((*it)->tab_strip_model()->empty())
-      exclude.insert((*it)->window()->GetNativeWindow());
+  for (auto& browser : *BrowserList::GetInstance()) {
+    if (browser->tab_strip_model()->empty())
+      exclude.insert(browser->window()->GetNativeWindow());
   }
 #endif
   return GetLocalProcessWindowAtPoint(host_desktop_type_,
                                       screen_point,
                                       exclude);
 
 }