[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/bindings/event_emitter_unittest.cc

Index: extensions/renderer/bindings/event_emitter_unittest.cc
diff --git a/extensions/renderer/event_emitter_unittest.cc b/extensions/renderer/bindings/event_emitter_unittest.cc
similarity index 94%
rename from extensions/renderer/event_emitter_unittest.cc
rename to extensions/renderer/bindings/event_emitter_unittest.cc
index 53a12d9cb9bee97a113aacb9705348b544fed85d..4f0395d7a178359d9ded51fa1d2698976f0d060e 100644
--- a/extensions/renderer/event_emitter_unittest.cc
+++ b/extensions/renderer/bindings/event_emitter_unittest.cc
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "extensions/renderer/event_emitter.h"
+#include "extensions/renderer/bindings/event_emitter.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
-#include "extensions/renderer/api_binding_test.h"
-#include "extensions/renderer/api_binding_test_util.h"
-#include "extensions/renderer/api_event_listeners.h"
+#include "extensions/renderer/bindings/api_binding_test.h"
+#include "extensions/renderer/bindings/api_binding_test_util.h"
+#include "extensions/renderer/bindings/api_event_listeners.h"
 #include "gin/handle.h"
 
 namespace extensions {