Refactoring display configuration state to allow generic state objects

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 "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
+#include "ui/display/chromeos/display_snapshot.h"
 
 namespace ash {
 
 namespace internal {
 
 ProjectingObserver::ProjectingObserver()
     : has_internal_output_(false),
       output_count_(0),
       casting_session_count_(0) {}
 
 ProjectingObserver::~ProjectingObserver() {}
 
 void ProjectingObserver::OnDisplayModeChanged(
-    const std::vector<ui::OutputConfigurator::OutputSnapshot>& outputs) {
+    const ui::OutputConfigurator::DisplayStateList& outputs) {
   has_internal_output_ = false;
   output_count_ = outputs.size();
 
   for (size_t i = 0; i < outputs.size(); ++i) {
-    if (outputs[i].type == ui::OUTPUT_TYPE_INTERNAL) {
+    if (outputs[i].display->type() == ui::OUTPUT_TYPE_INTERNAL) {
       has_internal_output_ = true;
       break;
     }
   }
 
   SetIsProjecting();
 }
 
 void ProjectingObserver::OnCastingSessionStartedOrStopped(bool started) {
   if (started) {
@@ skipping 14 matching lines @@
   bool projecting = has_internal_output_ &&
       (output_count_ + casting_session_count_ > 1);
 
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->SetIsProjecting(
       projecting);
 }
 
 }  // namespace internal
 
 }  // namespace ash