[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/api_bindings_system_unittest.h

-// 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.
-
-#ifndef EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_
-#define EXTENSIONS_RENDERER_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 "v8/include/v8.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace extensions {
-class APIBindingsSystem;
-
-// The base class to test the APIBindingsSystem. This allows subclasses to
-// retrieve API schemas differently.
-class APIBindingsSystemTest : public APIBindingTest {
- protected:
-  // A struct representing a "fake" API, including the name and specification.
-  // The specification is expected to be a JSON-serializable string that
-  // specifies the types, methods, and events of an API in the same syntax as
-  // the real extension APIs.
-  struct FakeSpec {
-    const char* name;
-    const char* spec;
-  };
-
-  APIBindingsSystemTest();
-  ~APIBindingsSystemTest() override;
-  void SetUp() override;
-  void TearDown() override;
-  void OnWillDisposeContext(v8::Local<v8::Context> context) override;
-
-  // Returns the collection of fake APIs to be used in the test, allowing
-  // subclasses to return their own specifications.
-  virtual std::vector<FakeSpec> GetAPIs();
-
-  // Returns the object to be used as the parent for the `lastError`. The
-  // default returns an empty JS object (assumes no last errors will be set).
-  virtual v8::Local<v8::Object> GetLastErrorParent(
-      v8::Local<v8::Context> context);
-
-  // Returns the DictionaryValue representing the schema with the given API
-  // name.
-  const base::DictionaryValue& GetAPISchema(const std::string& api_name);
-
-  // Callback for event listeners changing.
-  void OnEventListenersChanged(const std::string& event_name,
-                               binding::EventListenersChanged changed,
-                               const base::DictionaryValue* filter,
-                               bool was_manual,
-                               v8::Local<v8::Context> context);
-
-  // Callback for an API request being made. Stores the request in
-  // |last_request_|.
-  void OnAPIRequest(std::unique_ptr<APIRequestHandler::Request> request,
-                    v8::Local<v8::Context> context);
-
-  // Checks that |last_request_| exists and was provided with the
-  // |expected_name| and |expected_arguments|.
-  void ValidateLastRequest(const std::string& expected_name,
-                           const std::string& expected_arguments);
-
-  // Wraps the given |script source| in (function(obj) { ... }) and executes
-  // the result function, passing in |object| for an argument. Returns the
-  // result of calling the function.
-  v8::Local<v8::Value> CallFunctionOnObject(v8::Local<v8::Context> context,
-                                            v8::Local<v8::Object> object,
-                                            const std::string& script_source);
-
-  const APIRequestHandler::Request* last_request() const {
-    return last_request_.get();
-  }
-  void reset_last_request() { last_request_.reset(); }
-  APIBindingsSystem* bindings_system() { return bindings_system_.get(); }
-
- private:
-  // The API schemas for the fake APIs.
-  std::map<std::string, std::unique_ptr<base::DictionaryValue>> api_schemas_;
-
-  // The APIBindingsSystem associated with the test. Safe to use across multiple
-  // contexts.
-  std::unique_ptr<APIBindingsSystem> bindings_system_;
-
-  // The last request to be received from the APIBindingsSystem, or null if
-  // there is none.
-  std::unique_ptr<APIRequestHandler::Request> last_request_;
-
-  DISALLOW_COPY_AND_ASSIGN(APIBindingsSystemTest);
-};
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_RENDERER_API_BINDINGS_SYSTEM_UNITTEST_H_