[StorageMonitor] Handle EjectDevice call for MTP devices

chrome/browser/storage_monitor/storage_monitor_mac.mm

 // 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 "chrome/browser/storage_monitor/storage_monitor_mac.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 254 matching lines @@
     }
     current = current.DirName();
   }
 
   return false;
 }
 
 void StorageMonitorMac::EjectDevice(
       const std::string& device_id,
       base::Callback<void(EjectStatus)> callback) {
+  StorageInfo::Type type;
+  std::string uuid;
+  if (!StorageInfo::CrackDeviceId(device_id, &type, &uuid)) {
+    callback.Run(EJECT_FAILURE);
+    return;
+  }
+
+  if (type == StorageInfo::MAC_IMAGE_CAPTURE &&
+      image_capture_device_manager_.get()) {
+    image_capture_device_manager_->EjectDevice(uuid, callback);
+    return;
+  }
+
   std::string bsd_name;
   for (std::map<std::string, StorageInfo>::iterator
       it = disk_info_map_.begin(); it != disk_info_map_.end(); ++it) {
     if (it->second.device_id() == device_id) {
       bsd_name = it->first;
       disk_info_map_.erase(it);
       break;
     }
   }
 
@@ skipping 82 matching lines @@
     }
   }
   return false;
 }
 
 StorageMonitor* StorageMonitor::Create() {
   return new StorageMonitorMac();
 }
 
 }  // namespace chrome