Use mojo from the PDF extension instead of using an extension API.

extensions/renderer/api/mojo_private/mojo_private_unittest.cc

-// Copyright 2015 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_test_base.h"
-
-#include "base/macros.h"
-#include "gin/modules/module_registry.h"
-
-// A test launcher for tests for the mojoPrivate API defined in
-// extensions/test/data/mojo_private_unittest.js.
-
-namespace extensions {
-
-class MojoPrivateApiTest : public ApiTestBase {
- public:
-  MojoPrivateApiTest() = default;
-
-  gin::ModuleRegistry* module_registry() {
-    return gin::ModuleRegistry::From(env()->context()->v8_context());
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MojoPrivateApiTest);
-};
-
-TEST_F(MojoPrivateApiTest, Define) {
-  ASSERT_NO_FATAL_FAILURE(RunTest("mojo_private_unittest.js", "testDefine"));
-  EXPECT_EQ(1u, module_registry()->available_modules().count("testModule"));
-}
-
-TEST_F(MojoPrivateApiTest, DefineRegistersModule) {
-  ASSERT_NO_FATAL_FAILURE(
-      RunTest("mojo_private_unittest.js", "testDefineRegistersModule"));
-  EXPECT_EQ(1u, module_registry()->available_modules().count("testModule"));
-  EXPECT_EQ(1u, module_registry()->available_modules().count("dependency"));
-}
-
-TEST_F(MojoPrivateApiTest, DefineModuleDoesNotExist) {
-  ASSERT_NO_FATAL_FAILURE(
-      RunTest("mojo_private_unittest.js", "testDefineModuleDoesNotExist"));
-  EXPECT_EQ(0u, module_registry()->available_modules().count("testModule"));
-  EXPECT_EQ(0u,
-            module_registry()->available_modules().count("does not exist!"));
-  EXPECT_EQ(1u, module_registry()->unsatisfied_dependencies().count(
-                    "does not exist!"));
-}
-
-TEST_F(MojoPrivateApiTest, RequireAsync) {
-  ASSERT_NO_FATAL_FAILURE(
-      RunTest("mojo_private_unittest.js", "testRequireAsync"));
-}
-
-TEST_F(MojoPrivateApiTest, DefineAndRequire) {
-  ASSERT_NO_FATAL_FAILURE(
-      RunTest("mojo_private_unittest.js", "testDefineAndRequire"));
-}
-
-}  // namespace extensions