[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/bindings/api_bindings_system_unittest.h

Index: extensions/renderer/bindings/api_bindings_system_unittest.h
diff --git a/extensions/renderer/api_bindings_system_unittest.h b/extensions/renderer/bindings/api_bindings_system_unittest.h
similarity index 90%
rename from extensions/renderer/api_bindings_system_unittest.h
rename to extensions/renderer/bindings/api_bindings_system_unittest.h
index 4f5deb8b8bada08f42e732eedd2a2227f477486b..d4510fc13794eb2883e0fc1f46857bcdb16848e8 100644
--- a/extensions/renderer/api_bindings_system_unittest.h
+++ b/extensions/renderer/bindings/api_bindings_system_unittest.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_
-#define EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_
+#ifndef EXTENSIONS_RENDERER_BINDINGS_API_BINDINGS_SYSTEM_UNITTEST_H_
+#define EXTENSIONS_RENDERER_BINDINGS_API_BINDINGS_SYSTEM_UNITTEST_H_
 
 #include <map>
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "extensions/renderer/api_binding_test.h"
-#include "extensions/renderer/api_binding_types.h"
-#include "extensions/renderer/api_request_handler.h"
+#include "extensions/renderer/bindings/api_binding_test.h"
+#include "extensions/renderer/bindings/api_binding_types.h"
+#include "extensions/renderer/bindings/api_request_handler.h"
 #include "v8/include/v8.h"
 
 namespace base {
@@ -101,4 +101,4 @@ class APIBindingsSystemTest : public APIBindingTest {
 
 }  // namespace extensions
 
-#endif  // EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_
+#endif  // EXTENSIONS_RENDERER_BINDINGS_API_BINDINGS_SYSTEM_UNITTEST_H_