Remove DisplayState from the public interface for DisplayConfigurator

ash/display/projecting_observer_chromeos.cc

 // Copyright 2014 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/projecting_observer_chromeos.h"
 
 #include "base/logging.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "ui/display/types/display_snapshot.h"
 
 namespace ash {
 
 ProjectingObserver::ProjectingObserver(
     chromeos::PowerManagerClient* power_manager_client)
     : has_internal_output_(false),
       output_count_(0),
       casting_session_count_(0),
       power_manager_client_(power_manager_client) {
   DCHECK(power_manager_client);
 }
 
 ProjectingObserver::~ProjectingObserver() {}
 
 void ProjectingObserver::OnDisplayModeChanged(
     const ui::DisplayConfigurator::DisplayStateList& display_states) {
   has_internal_output_ = false;
   output_count_ = display_states.size();
 
   for (size_t i = 0; i < display_states.size(); ++i) {
-    if (display_states[i].display->type() ==
-        ui::DISPLAY_CONNECTION_TYPE_INTERNAL) {
+    if (display_states[i]->type() == ui::DISPLAY_CONNECTION_TYPE_INTERNAL) {
       has_internal_output_ = true;
       break;
     }
   }
 
   SetIsProjecting();
 }
 
 void ProjectingObserver::OnCastingSessionStartedOrStopped(bool started) {
   if (started) {
@@ skipping 11 matching lines @@
 void ProjectingObserver::SetIsProjecting() {
   // "Projecting" is defined as having more than 1 output connected while at
   // least one of them is an internal output.
   bool projecting = has_internal_output_ &&
       (output_count_ + casting_session_count_ > 1);
 
   power_manager_client_->SetIsProjecting(projecting);
 }
 
 }  // namespace ash