sync: Move all the js_* files into a js/ subdirectory.

chrome/browser/sync/js/js_sync_manager_observer_unittest.cc

Index: chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
diff --git a/chrome/browser/sync/js_sync_manager_observer_unittest.cc b/chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
similarity index 98%
rename from chrome/browser/sync/js_sync_manager_observer_unittest.cc
rename to chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
index 2057dc7ca336ca4130219099e46f0cdf2dc244da..2949104610b6a93d83b5a74ab16e43ea4b9fa0c4 100644
--- a/chrome/browser/sync/js_sync_manager_observer_unittest.cc
+++ b/chrome/browser/sync/js/js_sync_manager_observer_unittest.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/sync/js_sync_manager_observer.h"
+#include "chrome/browser/sync/js/js_sync_manager_observer.h"
 
 #include <cstddef>
 
@@ -11,9 +11,9 @@
 #include "base/tracked.h"
 #include "base/values.h"
 #include "chrome/browser/sync/engine/syncapi.h"
-#include "chrome/browser/sync/js_arg_list.h"
-#include "chrome/browser/sync/js_event_details.h"
-#include "chrome/browser/sync/js_test_util.h"
+#include "chrome/browser/sync/js/js_arg_list.h"
+#include "chrome/browser/sync/js/js_event_details.h"
+#include "chrome/browser/sync/js/js_test_util.h"
 #include "chrome/browser/sync/sessions/session_state.h"
 #include "chrome/browser/sync/syncable/model_type.h"
 #include "chrome/browser/sync/weak_handle.h"