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

chrome/browser/chromeos/arc/fileapi/arc_file_system_operation_runner.h

 // Copyright 2017 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_FILE_SYSTEM_OPERATION_RUNNER_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_FILE_SYSTEM_OPERATION_RUNNER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 95 matching lines @@
   void GetChildDocuments(const std::string& authority,
                          const std::string& parent_document_id,
                          const GetChildDocumentsCallback& callback);
   void AddWatcher(const std::string& authority,
                   const std::string& document_id,
                   const WatcherCallback& watcher_callback,
                   const AddWatcherCallback& callback);
   void RemoveWatcher(int64_t watcher_id, const RemoveWatcherCallback& callback);
 
   // FileSystemHost overrides:
-  void OnDocumentChanged(int64_t watcher_id, mojom::ChangeType type) override;
+  void OnDocumentChanged(int64_t watcher_id, ChangeType type) override;
 
   // ArcSessionManager::Observer overrides:
   void OnArcPlayStoreEnabledChanged(bool enabled) override;
 
   // InstanceHolder<mojom::FileSystemInstance>::Observer overrides:
   void OnInstanceReady() override;
   void OnInstanceClosed() override;
 
  private:
   friend class ArcFileSystemOperationRunnerTest;
@@ skipping 38 matching lines @@
   mojo::Binding<mojom::FileSystemHost> binding_;
 
   base::WeakPtrFactory<ArcFileSystemOperationRunner> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcFileSystemOperationRunner);
 };
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_FILE_SYSTEM_OPERATION_RUNNER_H_