Small refactoring in DiskMountManager (event reporting; format method).

chrome/browser/system_monitor/removable_device_notifications_chromeos_unittest.cc

Index: chrome/browser/system_monitor/removable_device_notifications_chromeos_unittest.cc
diff --git a/chrome/browser/system_monitor/removable_device_notifications_chromeos_unittest.cc b/chrome/browser/system_monitor/removable_device_notifications_chromeos_unittest.cc
index 29abf3666200b2423f389229c498751f8d3b609b..f681c99e9418ac60c7cc6bba0c64a4b14cc64947 100644
--- a/chrome/browser/system_monitor/removable_device_notifications_chromeos_unittest.cc
+++ b/chrome/browser/system_monitor/removable_device_notifications_chromeos_unittest.cc
@@ -88,17 +88,17 @@ class RemovableDeviceNotificationsCrosTest : public testing::Test {
       disk_mount_manager_mock_->CreateDiskEntryForMountDevice(
         mount_info, unique_id, device_label);
     }
-    notifications_->MountCompleted(disks::DiskMountManager::MOUNTING,
-                                   error_code,
-                                   mount_info);
+    notifications_->OnMountEvent(disks::DiskMountManager::MOUNTING,
+                                 error_code,
+                                 mount_info);
     WaitForFileThread();
   }
 
   void UnmountDevice(MountError error_code,
                      const DiskMountManager::MountPointInfo& mount_info) {
-    notifications_->MountCompleted(disks::DiskMountManager::UNMOUNTING,
-                                   error_code,
-                                   mount_info);
+    notifications_->OnMountEvent(disks::DiskMountManager::UNMOUNTING,
+                                 error_code,
+                                 mount_info);
     if (error_code == MOUNT_ERROR_NONE) {
       disk_mount_manager_mock_->RemoveDiskEntryForMountDevice(
           mount_info);