Revert of Remove content::NotificationPermissionDispatcher.

third_party/WebKit/Source/web/NotificationPermissionClientImpl.cpp

+// 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.
+
+#include "web/NotificationPermissionClientImpl.h"
+
+#include "bindings/core/v8/ScriptPromiseResolver.h"
+#include "bindings/core/v8/ScriptState.h"
+#include "core/dom/Document.h"
+#include "core/dom/ExecutionContext.h"
+#include "modules/notifications/Notification.h"
+#include "modules/notifications/NotificationPermissionCallback.h"
+#include "public/web/WebFrameClient.h"
+#include "public/web/modules/notifications/WebNotificationPermissionCallback.h"
+#include "web/WebLocalFrameImpl.h"
+
+namespace blink {
+
+namespace {
+
+class WebNotificationPermissionCallbackImpl : public WebNotificationPermissionCallback {
+public:
+    WebNotificationPermissionCallbackImpl(ScriptPromiseResolver* resolver, NotificationPermissionCallback* deprecatedCallback)
+        : m_resolver(resolver)
+        , m_deprecatedCallback(deprecatedCallback)
+    {
+    }
+
+    ~WebNotificationPermissionCallbackImpl() override { }
+
+    void permissionRequestComplete(int32_t permissionStatus) override
+    {
+        String permissionString = Notification::permissionString(static_cast<mojom::blink::PermissionStatus>(permissionStatus));
+        if (m_deprecatedCallback)
+            m_deprecatedCallback->handleEvent(permissionString);
+
+        m_resolver->resolve(permissionString);
+    }
+
+private:
+    Persistent<ScriptPromiseResolver> m_resolver;
+    Persistent<NotificationPermissionCallback> m_deprecatedCallback;
+};
+
+} // namespace
+
+NotificationPermissionClientImpl* NotificationPermissionClientImpl::create()
+{
+    return new NotificationPermissionClientImpl();
+}
+
+NotificationPermissionClientImpl::NotificationPermissionClientImpl()
+{
+}
+
+NotificationPermissionClientImpl::~NotificationPermissionClientImpl()
+{
+}
+
+ScriptPromise NotificationPermissionClientImpl::requestPermission(ScriptState* scriptState, NotificationPermissionCallback* deprecatedCallback)
+{
+    DCHECK(scriptState);
+
+    ExecutionContext* context = scriptState->getExecutionContext();
+    DCHECK(context);
+    DCHECK(context->isDocument());
+
+    Document* document = toDocument(context);
+    WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
+
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+
+    webFrame->client()->requestNotificationPermission(WebSecurityOrigin(context->getSecurityOrigin()), new WebNotificationPermissionCallbackImpl(resolver, deprecatedCallback));
+
+    return promise;
+}
+
+} // namespace blink