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

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

 // 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.
 
 #include "chrome/browser/chromeos/arc/fileapi/arc_file_system_operation_runner.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/optional.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chromeos/arc/arc_util.h"
 #include "components/arc/arc_bridge_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
 
 namespace arc {
 
-namespace {
-
-// TODO(nya): Use typemaps.
-ArcFileSystemOperationRunner::ChangeType FromMojoChangeType(
-    mojom::ChangeType type) {
-  switch (type) {
-    case mojom::ChangeType::CHANGED:
-      return ArcFileSystemOperationRunner::ChangeType::CHANGED;
-    case mojom::ChangeType::DELETED:
-      return ArcFileSystemOperationRunner::ChangeType::DELETED;
-  }
-  NOTREACHED();
-  return ArcFileSystemOperationRunner::ChangeType::CHANGED;
-}
-
-}  // namespace
-
 // static
 const char ArcFileSystemOperationRunner::kArcServiceName[] =
     "arc::ArcFileSystemOperationRunner";
 
 // static
 std::unique_ptr<ArcFileSystemOperationRunner>
 ArcFileSystemOperationRunner::CreateForTesting(
     ArcBridgeService* bridge_service) {
   // We can't use base::MakeUnique() here because we are calling a private
   // constructor.
@@ skipping 188 matching lines @@
       arc_bridge_service()->file_system(), AddWatcher);
   if (!file_system_instance) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                   base::Bind(callback, false));
     return;
   }
   file_system_instance->RemoveWatcher(watcher_id, callback);
 }
 
 void ArcFileSystemOperationRunner::OnDocumentChanged(int64_t watcher_id,
-                                                     mojom::ChangeType type) {
+                                                     ChangeType type) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   auto iter = watcher_callbacks_.find(watcher_id);
   if (iter == watcher_callbacks_.end()) {
     // This may happen in a race condition with documents changes and
     // RemoveWatcher().
     return;
   }
   WatcherCallback watcher_callback = iter->second;
-  watcher_callback.Run(FromMojoChangeType(type));
+  watcher_callback.Run(type);
 }
 
 void ArcFileSystemOperationRunner::OnArcPlayStoreEnabledChanged(bool enabled) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   OnStateChanged();
 }
 
 void ArcFileSystemOperationRunner::OnInstanceReady() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   auto* file_system_instance =
@@ skipping 51 matching lines @@
   deferred_operations.swap(deferred_operations_);
   for (const base::Closure& operation : deferred_operations) {
     operation.Run();
   }
 
   // No deferred operations should be left at this point.
   DCHECK(deferred_operations_.empty());
 }
 
 }  // namespace arc