Replace FOR_EACH_OBSERVER in c/b/chromeos with range-based for

chrome/browser/chromeos/file_manager/fake_disk_mount_manager.cc

 // Copyright 2013 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 "chrome/browser/chromeos/file_manager/fake_disk_mount_manager.h"
 
 namespace file_manager {
 
 FakeDiskMountManager::MountRequest::MountRequest(
     const std::string& source_path,
@@ skipping 63 matching lines @@
                                      chromeos::MountAccessMode access_mode) {
   mount_requests_.push_back(
       MountRequest(source_path, source_format, mount_label, type, access_mode));
 
   const MountPointInfo mount_point(
       source_path,
       source_path,
       type,
       chromeos::disks::MOUNT_CONDITION_NONE);
   mount_points_.insert(make_pair(source_path, mount_point));
-  FOR_EACH_OBSERVER(DiskMountManager::Observer, observers_,
-                    OnMountEvent(DiskMountManager::MOUNTING,
-                                 chromeos::MOUNT_ERROR_NONE,
-                                 mount_point));
+  for (auto& observer : observers_) {
+    observer.OnMountEvent(DiskMountManager::MOUNTING,
+                          chromeos::MOUNT_ERROR_NONE, mount_point);
+  }
 }
 
 void FakeDiskMountManager::UnmountPath(const std::string& mount_path,
                                        chromeos::UnmountOptions options,
                                        const UnmountPathCallback& callback) {
   unmount_requests_.push_back(UnmountRequest(mount_path, options));
 
   MountPointMap::iterator iter = mount_points_.find(mount_path);
   if (iter == mount_points_.end())
     return;
 
   const MountPointInfo mount_point = iter->second;
   mount_points_.erase(iter);
-  FOR_EACH_OBSERVER(DiskMountManager::Observer, observers_,
-                    OnMountEvent(DiskMountManager::UNMOUNTING,
-                                 chromeos::MOUNT_ERROR_NONE,
-                                 mount_point));
+  for (auto& observer : observers_) {
+    observer.OnMountEvent(DiskMountManager::UNMOUNTING,
+                          chromeos::MOUNT_ERROR_NONE, mount_point);
+  }
 
   // Enqueue callback so that |FakeDiskMountManager::FinishAllUnmountRequest()|
   // can call them.
   pending_unmount_callbacks_.push(callback);
 }
 
 bool FakeDiskMountManager::FinishAllUnmountPathRequests() {
   if (pending_unmount_callbacks_.empty())
     return false;
 
@@ skipping 18 matching lines @@
 }
 
 bool FakeDiskMountManager::AddMountPointForTest(
     const MountPointInfo& mount_point) {
   return false;
 }
 
 void FakeDiskMountManager::InvokeDiskEventForTest(
     chromeos::disks::DiskMountManager::DiskEvent event,
     const chromeos::disks::DiskMountManager::Disk* disk) {
-  FOR_EACH_OBSERVER(chromeos::disks::DiskMountManager::Observer,
-                    observers_,
-                    OnDiskEvent(event, disk));
+  for (auto& observer : observers_)
+    observer.OnDiskEvent(event, disk);
 }
 
 }  // namespace file_manager