[SyncFS] Make GetOriginStatusMap asynchronous

chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service_unittest.cc

Index: chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service_unittest.cc
diff --git a/chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service_unittest.cc b/chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service_unittest.cc
index 4ecca738700c0dd9cf68ce4ac4b174cf2d495445..50e4a5dcec6f0c526f0a998d38a59b10f8ba90e5 100644
--- a/chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service_unittest.cc
@@ -45,6 +45,11 @@ void ExpectOkStatus(SyncStatusCode status) {
   EXPECT_EQ(SYNC_STATUS_OK, status);
 }
 
+void SetStatusMap(RemoteFileSyncService::OriginStatusMap* status_map_out,
+                  const RemoteFileSyncService::OriginStatusMap& status_map) {
+  *status_map_out = status_map;
+}
+
 }  // namespace
 
 class DriveFileSyncServiceTest : public testing::Test {
@@ -288,7 +293,8 @@ TEST_F(DriveFileSyncServiceTest, EnableOrigin) {
 
 TEST_F(DriveFileSyncServiceTest, GetOriginStatusMap) {
   RemoteFileSyncService::OriginStatusMap origin_status_map;
-  sync_service()->GetOriginStatusMap(&origin_status_map);
+  sync_service()->GetOriginStatusMap(
+      base::Bind(&SetStatusMap, &origin_status_map));
   ASSERT_EQ(0u, origin_status_map.size());
 
   // Add 3 pending, 2 enabled and 1 disabled sync origin.
@@ -299,7 +305,8 @@ TEST_F(DriveFileSyncServiceTest, GetOriginStatusMap) {
   AddOrigin("Enabled", "e1");
   AddOrigin("Disabled", "d0");
 
-  sync_service()->GetOriginStatusMap(&origin_status_map);
+  sync_service()->GetOriginStatusMap(
+      base::Bind(&SetStatusMap, &origin_status_map));
   ASSERT_EQ(6u, origin_status_map.size());
   EXPECT_EQ("Pending", origin_status_map[GURL("chrome-extension://app_p0")]);
   EXPECT_EQ("Pending", origin_status_map[GURL("chrome-extension://app_p1")]);