Remove HostDesktopType from BrowserList::GetInstance()

chrome/browser/ui/browser_list.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_LIST_H_
 #define CHROME_BROWSER_UI_BROWSER_LIST_H_
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
-#include "chrome/browser/ui/host_desktop.h"
 
 class Browser;
 class Profile;
 
 namespace base {
 class FilePath;
 }
 
 namespace chrome {
 class BrowserListObserver;
 }
 
-// Maintains a list of Browser objects present in a given HostDesktop (see
-// HostDesktopType).
+// Maintains a list of Browser objects.
 class BrowserList {
  public:
   typedef std::vector<Browser*> BrowserVector;
   typedef BrowserVector::const_iterator const_iterator;
   typedef BrowserVector::const_reverse_iterator const_reverse_iterator;
 
   // Returns the last active browser for this list.
   Browser* GetLastActive() const;
 
   // Browsers are added to the list before they have constructed windows,
@@ skipping 10 matching lines @@
   // they were last active. The underlying data structure is a vector
   // and we push_back on recent access so a reverse iterator gives the
   // latest accessed browser first.
   const_reverse_iterator begin_last_active() const {
     return last_active_browsers_.rbegin();
   }
   const_reverse_iterator end_last_active() const {
     return last_active_browsers_.rend();
   }
 
-  static BrowserList* GetInstance(chrome::HostDesktopType type);
+  static BrowserList* GetInstance();
 
   // Adds or removes |browser| from the list it is associated with. The browser
   // object should be valid BEFORE these calls (for the benefit of observers),
   // so notify and THEN delete the object.
   static void AddBrowser(Browser* browser);
   static void RemoveBrowser(Browser* browser);
 
   // Adds and removes |observer| from the observer list for all desktops.
   // Observers are responsible for making sure the notifying browser is relevant
   // to them (e.g., on the specific desktop they care about if any).
@@ skipping 60 matching lines @@
   BrowserVector browsers_;
   // A vector of the browsers in this list that have been activated, in the
   // reverse order in which they were last activated.
   BrowserVector last_active_browsers_;
 
   // A list of observers which will be notified of every browser addition and
   // removal across all BrowserLists.
   static base::LazyInstance<
       base::ObserverList<chrome::BrowserListObserver>>::Leaky observers_;
 
-  // Nothing fancy, since we only have two HDTs.
-  static BrowserList* native_instance_;
-  static BrowserList* ash_instance_;
+  static BrowserList* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserList);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_LIST_H_