[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/binding_access_checker_unittest.cc

-// Copyright 2017 The Chromium Authors. All rights reserved.
-// 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 "base/bind.h"
-#include "extensions/renderer/api_binding_test.h"
-#include "gin/converter.h"
-
-namespace extensions {
-
-namespace {
-
-bool IsAvailable(v8::Local<v8::Context> context, const std::string& full_name) {
-  EXPECT_TRUE(full_name == "available" || full_name == "unavailable")
-      << full_name;
-  return full_name == "available";
-}
-
-}  // namespace
-
-using BindingAccessCheckerTest = APIBindingTest;
-
-TEST_F(BindingAccessCheckerTest, TestHasAccess) {
-  v8::HandleScope handle_scope(isolate());
-
-  BindingAccessChecker checker(base::Bind(&IsAvailable));
-
-  v8::Local<v8::Context> context = MainContext();
-  EXPECT_TRUE(checker.HasAccess(context, "available"));
-  EXPECT_FALSE(checker.HasAccess(context, "unavailable"));
-}
-
-TEST_F(BindingAccessCheckerTest, TestHasAccessOrThrowError) {
-  v8::HandleScope handle_scope(isolate());
-
-  BindingAccessChecker checker(base::Bind(&IsAvailable));
-
-  v8::Local<v8::Context> context = MainContext();
-  {
-    v8::TryCatch try_catch(isolate());
-    EXPECT_TRUE(checker.HasAccessOrThrowError(context, "available"));
-    EXPECT_FALSE(try_catch.HasCaught());
-  }
-
-  {
-    v8::TryCatch try_catch(isolate());
-    EXPECT_FALSE(checker.HasAccessOrThrowError(context, "unavailable"));
-    ASSERT_TRUE(try_catch.HasCaught());
-    EXPECT_EQ("Uncaught Error: 'unavailable' is not available in this context.",
-              gin::V8ToString(try_catch.Message()->Get()));
-  }
-}
-
-}  // namespace extensions