renderer: implement multiple permission requesting

content/browser/permissions/permission_service_impl.h

 // Copyright 2014 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_BROWSER_PERMISSIONS_PERMISSION_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_IMPL_H_
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 22 matching lines @@
   void CancelPendingOperations();
 
  protected:
   friend PermissionServiceContext;
 
   PermissionServiceImpl(PermissionServiceContext* context,
                         mojo::InterfaceRequest<PermissionService> request);
 
  private:
   using PermissionStatusCallback = mojo::Callback<void(PermissionStatus)>;
+  using PermissionsStatusCallback =
+      mojo::Callback<void(mojo::Array<PermissionStatus>)>;
 
   struct PendingRequest {
     PendingRequest(PermissionType permission, const GURL& origin,
                    const PermissionStatusCallback& callback);
     ~PendingRequest();
 
     PermissionType permission;
     GURL origin;
     PermissionStatusCallback callback;
   };
@@ skipping 13 matching lines @@
   using SubscriptionsMap = IDMap<PendingSubscription, IDMapOwnPointer>;
 
   // PermissionService.
   void HasPermission(PermissionName permission,
                      const mojo::String& origin,
                      const PermissionStatusCallback& callback) override;
   void RequestPermission(PermissionName permission,
                          const mojo::String& origin,
                          bool user_gesture,
                          const PermissionStatusCallback& callback) override;
+  void RequestPermissions(mojo::Array<PermissionName> permissions,
+                          const mojo::String& origin,
+                          bool user_gesture,
+                          const PermissionsStatusCallback& callback) override;
   void RevokePermission(PermissionName permission,
                         const mojo::String& origin,
                         const PermissionStatusCallback& callback) override;
   void GetNextPermissionChange(
       PermissionName permission,
       const mojo::String& origin,
       PermissionStatus last_known_status,
       const PermissionStatusCallback& callback) override;
 
   void OnConnectionError();
@@ skipping 15 matching lines @@
   PermissionServiceContext* context_;
   mojo::Binding<PermissionService> binding_;
   base::WeakPtrFactory<PermissionServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionServiceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_IMPL_H_