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

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

Index: chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
diff --git a/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc b/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
index df9f467a297502cc77c426fed74d69de636d8d30..fe09ee9f0ab1b10ca4ca28d56fbf575a75e1956f 100644
--- a/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
+++ b/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
@@ -19,6 +19,7 @@
 #include "components/arc/common/file_system.mojom.h"
 #include "components/arc/test/fake_file_system_instance.h"
 #include "content/public/test/test_browser_thread_bundle.h"
+#include "storage/browser/fileapi/watcher_manager.h"
 #include "storage/common/fileapi/directory_entry.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
@@ -317,7 +318,7 @@ TEST_F(ArcDocumentsProviderRootTest, WatchChanged) {
 
   EXPECT_EQ(0, num_called);
   fake_file_system_.TriggerWatchers(kAuthority, kDirSpec.document_id,
-                                    mojom::ChangeType::CHANGED);
+                                    storage::WatcherManager::CHANGED);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, num_called);
 
@@ -359,7 +360,7 @@ TEST_F(ArcDocumentsProviderRootTest, WatchDeleted) {
 
   EXPECT_EQ(0, num_called);
   fake_file_system_.TriggerWatchers(kAuthority, kDirSpec.document_id,
-                                    mojom::ChangeType::DELETED);
+                                    storage::WatcherManager::DELETED);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, num_called);