mediaview: Add a typemap for arc::mojom::ChangeType.

components/arc/test/fake_file_system_instance.cc

 // Copyright 2016 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 "components/arc/test/fake_file_system_instance.h"
 
 #include <string.h>
 #include <unistd.h>
 
 #include <utility>
@@ skipping 103 matching lines @@
   DCHECK_EQ(0u, documents_.count(key));
   documents_.insert(std::make_pair(key, document));
   child_documents_[key];  // Allocate a vector.
   if (!document.parent_document_id.empty()) {
     DocumentKey parent_key(document.authority, document.parent_document_id);
     DCHECK_EQ(1u, documents_.count(parent_key));
     child_documents_[parent_key].push_back(key);
   }
 }
 
-void FakeFileSystemInstance::TriggerWatchers(const std::string& authority,
-                                             const std::string& document_id,
-                                             mojom::ChangeType type) {
+void FakeFileSystemInstance::TriggerWatchers(
+    const std::string& authority,
+    const std::string& document_id,
+    storage::WatcherManager::ChangeType type) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!host_) {
     LOG(ERROR) << "FileSystemHost is not available.";
     return;
   }
   auto iter = document_to_watchers_.find(DocumentKey(authority, document_id));
   if (iter == document_to_watchers_.end())
     return;
   for (int64_t watcher_id : iter->second) {
     host_->OnDocumentChanged(watcher_id, type);
@@ skipping 120 matching lines @@
                                                 base::Bind(callback, true));
 }
 
 void FakeFileSystemInstance::RequestMediaScan(
     const std::vector<std::string>& paths) {
   DCHECK(thread_checker_.CalledOnValidThread());
   // Do nothing and pretend we scaned them.
 }
 
 }  // namespace arc