blink: permissions: add plumbing to revoke permissions

Source/modules/permissions/PermissionQueryCallback.cpp

-// 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 "config.h"
-#include "modules/permissions/PermissionQueryCallback.h"
-
-#include "bindings/core/v8/ScriptPromiseResolver.h"
-#include "modules/permissions/PermissionStatus.h"
-
-namespace blink {
-
-PermissionQueryCallback::PermissionQueryCallback(PassRefPtr<ScriptPromiseResolver> resolver, WebPermissionType permissionType)
-    : m_resolver(resolver)
-    , m_permissionType(permissionType)
-{
-    ASSERT(m_resolver);
-}
-
-PermissionQueryCallback::~PermissionQueryCallback()
-{
-}
-
-void PermissionQueryCallback::onSuccess(WebPermissionStatus* permissionStatus)
-{
-    if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
-        PermissionStatus::dispose(permissionStatus);
-        return;
-    }
-    m_resolver->resolve(PermissionStatus::take(m_resolver.get(), permissionStatus, m_permissionType));
-}
-
-void PermissionQueryCallback::onError()
-{
-    if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
-        return;
-    }
-    m_resolver->reject();
-}
-
-} // namespace blink