Move screenlock_bridge to components/proximity_auth

chrome/browser/chromeos/login/screens/user_selection_screen.cc

Index: chrome/browser/chromeos/login/screens/user_selection_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/user_selection_screen.cc b/chrome/browser/chromeos/login/screens/user_selection_screen.cc
index 2156e875ba8628f148baace53f9a2db02cb3f8a4..0ec352512084987c698091b6916a3cf2faf620d1 100644
--- a/chrome/browser/chromeos/login/screens/user_selection_screen.cc
+++ b/chrome/browser/chromeos/login/screens/user_selection_screen.cc
@@ -18,9 +18,11 @@
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
-#include "chrome/browser/signin/screenlock_bridge.h"
+#include "chrome/browser/signin/easy_unlock_util.h"
 #include "chrome/browser/ui/webui/chromeos/login/l10n_util.h"
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
+#include "components/proximity_auth/screenlock_bridge.h"
+#include "components/signin/core/browser/signin_manager_base.h"
 #include "components/user_manager/user_id.h"
 #include "components/user_manager/user_manager.h"
 #include "components/user_manager/user_type.h"
@@ -118,14 +120,14 @@ UserSelectionScreen::UserSelectionScreen(const std::string& display_type)
 }
 
 UserSelectionScreen::~UserSelectionScreen() {
-  ScreenlockBridge::Get()->SetLockHandler(nullptr);
+  GetScreenlockBridgeInstance()->SetLockHandler(nullptr);
   ui::UserActivityDetector* activity_detector = ui::UserActivityDetector::Get();
   if (activity_detector->HasObserver(this))
     activity_detector->RemoveObserver(this);
 }
 
 void UserSelectionScreen::InitEasyUnlock() {
-  ScreenlockBridge::Get()->SetLockHandler(this);
+  GetScreenlockBridgeInstance()->SetLockHandler(this);
 }
 
 void UserSelectionScreen::SetLoginDisplayDelegate(