[Extensions Bindings] Add a bindings/ subdirectory under renderer

extensions/renderer/api_binding.h

Index: extensions/renderer/api_binding.h
diff --git a/extensions/renderer/api_binding.h b/extensions/renderer/api_binding.h
deleted file mode 100644
index 8cd3e81942388debab461a3866302f7776278dce..0000000000000000000000000000000000000000
--- a/extensions/renderer/api_binding.h
+++ /dev/null
@@ -1,163 +0,0 @@
-// Copyright 2016 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_BINDING_H_
-#define EXTENSIONS_RENDERER_API_BINDING_H_
-
-#include <map>
-#include <memory>
-#include <string>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/supports_user_data.h"
-#include "extensions/renderer/argument_spec.h"
-#include "v8/include/v8.h"
-
-namespace base {
-class ListValue;
-}
-
-namespace gin {
-class Arguments;
-}
-
-namespace extensions {
-class APIBindingHooks;
-class APIEventHandler;
-class APIRequestHandler;
-class APISignature;
-class APITypeReferenceMap;
-class BindingAccessChecker;
-
-namespace binding {
-enum class RequestThread;
-}
-
-// A class that vends v8::Objects for extension APIs. These APIs have function
-// interceptors for all exposed methods, which call back into the APIBinding.
-// The APIBinding then matches the calling arguments against an expected method
-// signature, throwing an error if they don't match.
-// There should only need to be a single APIBinding object for each API, and
-// each can vend multiple v8::Objects for different contexts.
-// This object is designed to be one-per-isolate, but used across separate
-// contexts.
-class APIBinding {
- public:
-  using CreateCustomType = base::Callback<v8::Local<v8::Object>(
-      v8::Isolate* isolate,
-      const std::string& type_name,
-      const std::string& property_name,
-      const base::ListValue* property_values)>;
-
-  // The callback type for handling an API call.
-  using HandlerCallback = base::Callback<void(gin::Arguments*)>;
-
-  // The APITypeReferenceMap is required to outlive this object.
-  // |function_definitions|, |type_definitions| and |event_definitions|
-  // may be null if the API does not specify any of that category.
-  APIBinding(const std::string& name,
-             const base::ListValue* function_definitions,
-             const base::ListValue* type_definitions,
-             const base::ListValue* event_definitions,
-             const base::DictionaryValue* property_definitions,
-             const CreateCustomType& create_custom_type,
-             std::unique_ptr<APIBindingHooks> binding_hooks,
-             APITypeReferenceMap* type_refs,
-             APIRequestHandler* request_handler,
-             APIEventHandler* event_handler,
-             BindingAccessChecker* access_checker);
-  ~APIBinding();
-
-  // Returns a new v8::Object for the API this APIBinding represents.
-  v8::Local<v8::Object> CreateInstance(v8::Local<v8::Context> context);
-
-  APIBindingHooks* hooks() { return binding_hooks_.get(); }
-
- private:
-  // Initializes the object_template_ for this API. Called lazily when the
-  // first instance is created.
-  void InitializeTemplate(v8::Isolate* isolate);
-
-  // Decorates |object_template| with the properties specified by |properties|.
-  void DecorateTemplateWithProperties(
-      v8::Isolate* isolate,
-      v8::Local<v8::ObjectTemplate> object_template,
-      const base::DictionaryValue& properties);
-
-  // Handler for getting the v8::Object associated with an event on the API.
-  static void GetEventObject(v8::Local<v8::Name>,
-                             const v8::PropertyCallbackInfo<v8::Value>& info);
-
-  // Handler for getting the v8::Object associated with a custom property on the
-  // API.
-  static void GetCustomPropertyObject(
-      v8::Local<v8::Name> property,
-      const v8::PropertyCallbackInfo<v8::Value>& info);
-
-  // Handles calling of an API method with the given |name| on the given
-  // |thread| and matches the arguments against |signature|.
-  void HandleCall(const std::string& name,
-                  const APISignature* signature,
-                  const binding::RequestThread thread,
-                  gin::Arguments* args);
-
-  // The root name of the API, e.g. "tabs" for chrome.tabs.
-  std::string api_name_;
-
-  // A map from method name to method data.
-  struct MethodData;
-  std::map<std::string, std::unique_ptr<MethodData>> methods_;
-
-  // The events associated with this API.
-  struct EventData;
-  std::vector<std::unique_ptr<EventData>> events_;
-
-  // The custom properties on the API; these are rare.
-  struct CustomPropertyData;
-  std::vector<std::unique_ptr<CustomPropertyData>> custom_properties_;
-
-  // The pair for enum entry is <original, js-ified>. JS enum entries use
-  // SCREAMING_STYLE (whereas our API enums are just inconsistent).
-  using EnumEntry = std::pair<std::string, std::string>;
-  // A map of <name, values> for the enums on this API.
-  std::map<std::string, std::vector<EnumEntry>> enums_;
-
-  // The associated properties of the API, if any.
-  const base::DictionaryValue* property_definitions_;
-
-  // The callback for constructing a custom type.
-  CreateCustomType create_custom_type_;
-
-  // The registered hooks for this API.
-  std::unique_ptr<APIBindingHooks> binding_hooks_;
-
-  // The reference map for all known types; required to outlive this object.
-  APITypeReferenceMap* type_refs_;
-
-  // The associated request handler, shared between this and other bindings.
-  // Required to outlive this object.
-  APIRequestHandler* request_handler_;
-
-  // The associated event handler, shared between this and other bindings.
-  // Required to outlive this object.
-  APIEventHandler* event_handler_;
-
-  // The associated access checker; required to outlive this object.
-  const BindingAccessChecker* const access_checker_;
-
-  // The template for this API. Note: some methods may only be available in
-  // certain contexts, but this template contains all methods. Those that are
-  // unavailable are removed after object instantiation.
-  v8::Eternal<v8::ObjectTemplate> object_template_;
-
-  base::WeakPtrFactory<APIBinding> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(APIBinding);
-};
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_RENDERER_API_BINDING_H_