Add a receiver interface to RemovableStorageNotifications.

chrome/browser/system_monitor/test_removable_storage_notifications.cc

 // Copyright (c) 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/system_monitor/test_removable_storage_notifications.h"
 
 namespace chrome {
 namespace test {
 
 TestRemovableStorageNotifications::TestRemovableStorageNotifications()
@@ skipping 14 matching lines @@
 
 #if defined(OS_WIN)
 bool TestRemovableStorageNotifications::GetMTPStorageInfoFromDeviceId(
     const std::string& storage_device_id,
     string16* device_location,
     string16* storage_object_id) const {
   return false;
 }
 #endif
 
+void TestRemovableStorageNotifications::ProcessAttach(
+    const std::string& id,
+    const string16& name,
+    const FilePath::StringType& location) {
+  receiver()->ProcessAttach(id, name, location);
+}
+
+void TestRemovableStorageNotifications::ProcessDetach(const std::string& id) {
+  receiver()->ProcessDetach(id);
+}
+
+RemovableStorageNotifications::Receiver*
+TestRemovableStorageNotifications::receiver() const {
+  return RemovableStorageNotifications::receiver();
+}
+
 }  // namespace test
 }  // namespace chrome