Implement the spring charger replacement UI.

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

Index: chrome/browser/chromeos/system/ash_system_tray_delegate.cc
diff --git a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
index 1e3fcf00a237a9837f59ca2f628906f0386fe648..59c7ca4e1d2cb13ef1a82bcf605084d24953b38c 100644
--- a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
+++ b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
@@ -46,6 +46,7 @@
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
 #include "chrome/browser/chromeos/bluetooth/bluetooth_pairing_dialog.h"
+#include "chrome/browser/chromeos/charger_replace/charger_replacement_dialog.h"
 #include "chrome/browser/chromeos/choose_mobile_network_dialog.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/drive/job_list.h"
@@ -80,6 +81,7 @@
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/ui/singleton_tabs.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/webui/chromeos/charger_replacement_handler.h"
 #include "chrome/browser/ui/webui/chromeos/mobile_setup_dialog.h"
 #include "chrome/browser/upgrade_detector.h"
 #include "chrome/common/pref_names.h"
@@ -617,6 +619,20 @@ class SystemTrayDelegate : public ash::SystemTrayDelegate,
       UserAddingScreen::Get()->Start();
   }
 
+  virtual void ShowSpringChargerReplacementDialog() OVERRIDE {
+    if (!ChargerReplacementDialog::ShouldShowDialog())
+      return;
+
+    ChargerReplacementDialog* dialog =
+        new ChargerReplacementDialog(GetNativeWindow());
+    dialog->Show();
+  }
+
+  virtual bool HasUserConfirmedSafeSpringCharger() OVERRIDE {
+    return ChargerReplacementHandler::GetChargerStatusPref() ==
+        ChargerReplacementHandler::CONFIRM_SAFE_CHARGER;
+  }
+
   virtual void ShutDown() OVERRIDE {
     ash::Shell::GetInstance()->lock_state_controller()->RequestShutdown();
   }