Move DisplayList to display; add ScreenBase.

ash/display/mirror_window_controller.cc

 // Copyright (c) 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 "ash/display/mirror_window_controller.h"
 
 #include <utility>
 
 #if defined(USE_X11)
 #include <X11/extensions/XInput2.h>
@@ skipping 315 matching lines @@
       ->second->ash_host->AsWindowTreeHost()
       ->window();
 }
 
 display::Display MirrorWindowController::GetDisplayForRootWindow(
     const aura::Window* root) const {
   for (const auto& pair : mirroring_host_info_map_) {
     if (pair.second->ash_host->AsWindowTreeHost()->window() == root) {
       // Sanity check to catch an error early.
       int64_t id = pair.first;
-      const display::DisplayList& list =
-          Shell::GetInstance()
-              ->display_manager()
-              ->software_mirroring_display_list();
+      const display::Displays& list = Shell::GetInstance()
+                                          ->display_manager()
+                                          ->software_mirroring_display_list();
       auto iter = std::find_if(
           list.begin(), list.end(),
           [id](const display::Display& display) { return display.id() == id; });
       DCHECK(iter != list.end());
       if (iter != list.end())
         return *iter;
     }
   }
   return display::Display();
 }
@@ skipping 30 matching lines @@
   // EventProcessor may be accessed after this call if the mirroring window
   // was deleted as a result of input event (e.g. shortcut), so don't delete
   // now.
   if (delay_host_deletion)
     base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, host_info);
   else
     delete host_info;
 }
 
 }  // namespace ash