[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/bindings/binding_access_checker_unittest.cc

Index: extensions/renderer/bindings/binding_access_checker_unittest.cc
diff --git a/extensions/renderer/binding_access_checker_unittest.cc b/extensions/renderer/bindings/binding_access_checker_unittest.cc
similarity index 92%
rename from extensions/renderer/binding_access_checker_unittest.cc
rename to extensions/renderer/bindings/binding_access_checker_unittest.cc
index cba77bb956484d8d0a52140f1507b8e8363020cc..7b11538e539a72fa854d330fe50cd546f29338e4 100644
--- a/extensions/renderer/binding_access_checker_unittest.cc
+++ b/extensions/renderer/bindings/binding_access_checker_unittest.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "extensions/renderer/binding_access_checker.h"
+#include "extensions/renderer/bindings/binding_access_checker.h"
 
 #include "base/bind.h"
-#include "extensions/renderer/api_binding_test.h"
+#include "extensions/renderer/bindings/api_binding_test.h"
 #include "gin/converter.h"
 
 namespace extensions {