Reduce usage of FOR_EACH_OBSERVER macro in components/

components/proximity_auth/screenlock_bridge.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 "components/proximity_auth/screenlock_bridge.h"
 
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "components/proximity_auth/logging/logging.h"
 
@@ skipping 116 matching lines @@
   // TODO(isherman): If |lock_handler| is null, then |lock_handler_| might have
   // been freed. Cache the screen type rather than querying it below.
   LockHandler::ScreenType screen_type;
   if (lock_handler_)
     screen_type = lock_handler_->GetScreenType();
   else
     screen_type = lock_handler->GetScreenType();
 
   focused_account_id_ = EmptyAccountId();
   lock_handler_ = lock_handler;
-  if (lock_handler_)
-    FOR_EACH_OBSERVER(Observer, observers_, OnScreenDidLock(screen_type));
-  else
-    FOR_EACH_OBSERVER(Observer, observers_, OnScreenDidUnlock(screen_type));
+  if (lock_handler_) {
+    for (auto& observer : observers_)
+      observer.OnScreenDidLock(screen_type);
+  } else {
+    for (auto& observer : observers_)
+      observer.OnScreenDidUnlock(screen_type);
+  }
 }
 
 void ScreenlockBridge::SetFocusedUser(const AccountId& account_id) {
   if (account_id == focused_account_id_)
     return;
   PA_LOG(INFO) << "Focused user changed to " << account_id.Serialize();
   focused_account_id_ = account_id;
-  FOR_EACH_OBSERVER(Observer, observers_, OnFocusedUserChanged(account_id));
+  for (auto& observer : observers_)
+    observer.OnFocusedUserChanged(account_id);
 }
 
 bool ScreenlockBridge::IsLocked() const {
   return lock_handler_ != nullptr;
 }
 
 void ScreenlockBridge::Lock() {
 #if defined(OS_CHROMEOS)
   chromeos::SessionManagerClient* session_manager =
       chromeos::DBusThreadManager::Get()->GetSessionManagerClient();
@@ skipping 16 matching lines @@
   observers_.RemoveObserver(observer);
 }
 
 ScreenlockBridge::ScreenlockBridge()
     : lock_handler_(nullptr), focused_account_id_(EmptyAccountId()) {}
 
 ScreenlockBridge::~ScreenlockBridge() {
 }
 
 }  // namespace proximity_auth