[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/api_invocation_errors_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/api_invocation_errors.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace extensions {
-namespace api_errors {
-
-// Tests chaining errors for more complicated errors. More of a set of example
-// strings than a test of the logic itself (which is pretty simple).
-TEST(APIInvocationErrors, ChainedErrors) {
-  EXPECT_EQ("Error at index 0: Invalid type: expected string, found integer.",
-            IndexError(0, InvalidType(kTypeString, kTypeInteger)));
-  EXPECT_EQ(
-      "Error at property 'foo': Invalid type: expected string, found integer.",
-      PropertyError("foo", InvalidType(kTypeString, kTypeInteger)));
-  EXPECT_EQ(
-      "Error at property 'foo': Error at index 1: "
-      "Invalid type: expected string, found integer.",
-      PropertyError("foo",
-                    IndexError(1, InvalidType(kTypeString, kTypeInteger))));
-
-  EXPECT_EQ(
-      "Error at parameter 'foo': Invalid type: expected string, found integer.",
-      ArgumentError("foo", InvalidType(kTypeString, kTypeInteger)));
-  EXPECT_EQ(
-      "Error at parameter 'foo': Error at index 0: "
-      "Invalid type: expected string, found integer.",
-      ArgumentError("foo",
-                    IndexError(0, InvalidType(kTypeString, kTypeInteger))));
-
-  EXPECT_EQ(
-      "Error in invocation of tabs.query("
-      "object details, function callback): "
-      "Error at parameter 'details': Unexpected property: 'foo'.",
-      InvocationError("tabs.query", "object details, function callback",
-                      ArgumentError("details", UnexpectedProperty("foo"))));
-}
-
-}  // namespace api_errors
-}  // namespace extensions