[SyncFS] Move SyncFS V1 files from drive_backend to drive_backend_v1

chrome/browser/sync_file_system/drive_backend_v1/fake_api_util.h

Index: chrome/browser/sync_file_system/drive_backend_v1/fake_api_util.h
diff --git a/chrome/browser/sync_file_system/drive_backend/fake_api_util.h b/chrome/browser/sync_file_system/drive_backend_v1/fake_api_util.h
similarity index 94%
rename from chrome/browser/sync_file_system/drive_backend/fake_api_util.h
rename to chrome/browser/sync_file_system/drive_backend_v1/fake_api_util.h
index d4dcc5676c973ca5c352d9f9ddb80b61d0625764..df8ef6b01ba48173de1f50181fa345bb7fbb6758 100644
--- a/chrome/browser/sync_file_system/drive_backend/fake_api_util.h
+++ b/chrome/browser/sync_file_system/drive_backend_v1/fake_api_util.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_FAKE_API_UTIL_H_
-#define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_FAKE_API_UTIL_H_
+#ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_FAKE_API_UTIL_H_
+#define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_FAKE_API_UTIL_H_
 
 #include <map>
 #include <string>
@@ -11,7 +11,7 @@
 #include "chrome/browser/google_apis/drive_api_parser.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
 #include "chrome/browser/google_apis/gdata_wapi_url_generator.h"
-#include "chrome/browser/sync_file_system/drive_backend/api_util_interface.h"
+#include "chrome/browser/sync_file_system/drive_backend_v1/api_util_interface.h"
 #include "chrome/browser/sync_file_system/sync_file_type.h"
 
 class GURL;
@@ -128,4 +128,4 @@ class FakeAPIUtil : public APIUtilInterface {
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
-#endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_FAKE_API_UTIL_H_
+#endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_V1_FAKE_API_UTIL_H_