Merge //content/child/permissions into Blink's permissions module.

content/child/permissions/permission_dispatcher.h

Index: content/child/permissions/permission_dispatcher.h
diff --git a/content/child/permissions/permission_dispatcher.h b/content/child/permissions/permission_dispatcher.h
deleted file mode 100644
index b281468d264fefd8cce50778960b63c69a087e1e..0000000000000000000000000000000000000000
--- a/content/child/permissions/permission_dispatcher.h
+++ /dev/null
@@ -1,164 +0,0 @@
-// 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.
-
-#ifndef CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_
-#define CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_
-
-#include <memory>
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/containers/scoped_ptr_hash_map.h"
-#include "base/macros.h"
-#include "content/child/permissions/permission_observers_registry.h"
-#include "third_party/WebKit/public/platform/modules/permissions/WebPermissionClient.h"
-#include "third_party/WebKit/public/platform/modules/permissions/permission.mojom.h"
-
-namespace shell {
-class InterfaceProvider;
-}
-
-namespace content {
-
-// The PermissionDispatcher is a layer between Blink and the Mojo
-// PermissionService. It implements blink::WebPermissionClient. It is being used
-// from workers and frames independently. When called outside of the main
-// thread, QueryPermissionForWorker is meant to be called. It will handle the
-// thread jumping.
-class PermissionDispatcher : public blink::WebPermissionClient,
-                             public PermissionObserversRegistry {
- public:
-  // Returns whether the given WebPermissionType is observable. Some types have
-  // static values that never changes.
-  static bool IsObservable(blink::WebPermissionType type);
-
-  // The caller must guarantee that |interface_registry| will have a lifetime
-  // larger than this instance of PermissionDispatcher.
-  explicit PermissionDispatcher(shell::InterfaceProvider* remote_interfaces);
-  ~PermissionDispatcher() override;
-
-  // blink::WebPermissionClient implementation.
-  void queryPermission(blink::WebPermissionType type,
-                       const blink::WebURL& origin,
-                       blink::WebPermissionCallback* callback) override;
-  void requestPermission(blink::WebPermissionType,
-                         const blink::WebURL& origin,
-                         blink::WebPermissionCallback* callback) override;
-  void requestPermissions(
-      const blink::WebVector<blink::WebPermissionType>& types,
-      const blink::WebURL& origin,
-      blink::WebPermissionsCallback* callback) override;
-  void revokePermission(blink::WebPermissionType,
-                        const blink::WebURL& origin,
-                        blink::WebPermissionCallback* callback) override;
-  void startListening(blink::WebPermissionType type,
-                      const blink::WebURL& origin,
-                      blink::WebPermissionObserver* observer) override;
-  void stopListening(blink::WebPermissionObserver* observer) override;
-
-  // The following methods must be called by workers on the main thread.
-  void QueryPermissionForWorker(blink::WebPermissionType type,
-                                const std::string& origin,
-                                blink::WebPermissionCallback* callback,
-                                int worker_thread_id);
-  void RequestPermissionForWorker(blink::WebPermissionType type,
-                                  const std::string& origin,
-                                  blink::WebPermissionCallback* callback,
-                                  int worker_thread_id);
-  void RequestPermissionsForWorker(
-      const blink::WebVector<blink::WebPermissionType>& types,
-      const std::string& origin,
-      blink::WebPermissionsCallback* callback,
-      int worker_thread_id);
-  void RevokePermissionForWorker(blink::WebPermissionType type,
-                                 const std::string& origin,
-                                 blink::WebPermissionCallback* callback,
-                                 int worker_thread_id);
-  void StartListeningForWorker(
-      blink::WebPermissionType type,
-      const std::string& origin,
-      int worker_thread_id,
-      const base::Callback<void(blink::WebPermissionStatus)>& callback);
-  void GetNextPermissionChangeForWorker(
-      blink::WebPermissionType type,
-      const std::string& origin,
-      blink::WebPermissionStatus status,
-      int worker_thread_id,
-      const base::Callback<void(blink::WebPermissionStatus)>& callback);
-
- private:
-  using PermissionCallbackMap =
-      base::ScopedPtrHashMap<uintptr_t,
-                             std::unique_ptr<blink::WebPermissionCallback>>;
-  using PermissionsCallbackMap =
-      base::ScopedPtrHashMap<uintptr_t,
-                             std::unique_ptr<blink::WebPermissionsCallback>>;
-
-  // Runs the given |callback| with |status| as a parameter. It has to be run
-  // on a worker thread.
-  static void RunPermissionCallbackOnWorkerThread(
-      std::unique_ptr<blink::WebPermissionCallback> callback,
-      blink::WebPermissionStatus status);
-  static void RunPermissionsCallbackOnWorkerThread(
-      std::unique_ptr<blink::WebPermissionsCallback> callback,
-      std::unique_ptr<blink::WebVector<blink::WebPermissionStatus>> statuses);
-
-  // Helper method that returns an initialized PermissionServicePtr.
-  blink::mojom::PermissionService* GetPermissionServicePtr();
-
-  void QueryPermissionInternal(blink::WebPermissionType type,
-                               const std::string& origin,
-                               blink::WebPermissionCallback* callback,
-                               int worker_thread_id);
-  void RequestPermissionInternal(blink::WebPermissionType type,
-                                const std::string& origin,
-                                blink::WebPermissionCallback* callback,
-                                int worker_thread_id);
-  void RequestPermissionsInternal(
-      const blink::WebVector<blink::WebPermissionType>& types,
-      const std::string& origin,
-      blink::WebPermissionsCallback* callback,
-      int worker_thread_id);
-  void RevokePermissionInternal(blink::WebPermissionType type,
-                                const std::string& origin,
-                                blink::WebPermissionCallback* callback,
-                                int worker_thread_id);
-
-  // This is the callback function used for query, request and revoke.
-  void OnPermissionResponse(int worker_thread_id,
-                            uintptr_t callback_key,
-                            blink::mojom::PermissionStatus status);
-  void OnRequestPermissionsResponse(
-      int worker_thread_id,
-      uintptr_t callback_key,
-      mojo::Array<blink::mojom::PermissionStatus> status);
-  void OnPermissionChanged(blink::WebPermissionType type,
-                           const std::string& origin,
-                           blink::WebPermissionObserver* observer,
-                           blink::mojom::PermissionStatus status);
-  void OnPermissionChangedForWorker(
-      int worker_thread_id,
-      const base::Callback<void(blink::WebPermissionStatus)>& callback,
-      blink::mojom::PermissionStatus status);
-
-  void GetNextPermissionChange(blink::WebPermissionType type,
-                               const std::string& origin,
-                               blink::WebPermissionObserver* observer,
-                               blink::mojom::PermissionStatus current_status);
-
-  // Pending callbacks for query(), revoke() and request() single permission.
-  PermissionCallbackMap permission_callbacks_;
-
-  // Pending callbacks for request() multiple permissions.
-  PermissionsCallbackMap permissions_callbacks_;
-
-  shell::InterfaceProvider* remote_interfaces_;
-  blink::mojom::PermissionServicePtr permission_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(PermissionDispatcher);
-};
-
-}  // namespace content
-
-#endif // CONTENT_CHILD_PERMISSIONS_PERMISSION_DISPATCHER_H_