Replace FOR_EACH_OBSERVER in chromeos/ with range-based for

chromeos/disks/disk_mount_manager.cc

 // Copyright (c) 2012 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 "chromeos/disks/disk_mount_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 590 matching lines @@
       }
       default: {
         LOG(ERROR) << "Unknown event: " << event;
       }
     }
   }
 
   // Notifies all observers about disk status update.
   void NotifyDiskStatusUpdate(DiskEvent event,
                               const Disk* disk) {
-    FOR_EACH_OBSERVER(Observer, observers_, OnDiskEvent(event, disk));
+    for (auto& observer : observers_)
+      observer.OnDiskEvent(event, disk);
   }
 
   // Notifies all observers about device status update.
   void NotifyDeviceStatusUpdate(DeviceEvent event,
                                 const std::string& device_path) {
-    FOR_EACH_OBSERVER(Observer, observers_, OnDeviceEvent(event, device_path));
+    for (auto& observer : observers_)
+      observer.OnDeviceEvent(event, device_path);
   }
 
   // Notifies all observers about mount completion.
   void NotifyMountStatusUpdate(MountEvent event,
                                MountError error_code,
                                const MountPointInfo& mount_info) {
-    FOR_EACH_OBSERVER(Observer, observers_,
-                      OnMountEvent(event, error_code, mount_info));
+    for (auto& observer : observers_)
+      observer.OnMountEvent(event, error_code, mount_info);
   }
 
   void NotifyFormatStatusUpdate(FormatEvent event,
                                 FormatError error_code,
                                 const std::string& device_path) {
-    FOR_EACH_OBSERVER(Observer, observers_,
-                      OnFormatEvent(event, error_code, device_path));
+    for (auto& observer : observers_)
+      observer.OnFormatEvent(event, error_code, device_path);
   }
 
   // Finds system path prefix from |system_path|.
   const std::string& FindSystemPathPrefix(const std::string& system_path) {
     if (system_path.empty())
       return base::EmptyString();
     for (SystemPathPrefixSet::const_iterator it = system_path_prefixes_.begin();
          it != system_path_prefixes_.end();
          ++it) {
       const std::string& prefix = *it;
@@ skipping 149 matching lines @@
   VLOG(1) << "DiskMountManager Shutdown completed";
 }
 
 // static
 DiskMountManager* DiskMountManager::GetInstance() {
   return g_disk_mount_manager;
 }
 
 }  // namespace disks
 }  // namespace chromeos