Added headless permission manager. This permissions manager simply acks all permission requests wit…

headless/lib/browser/headless_permission_manager.cc

+// Copyright 2017 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 "headless/lib/browser/headless_permission_manager.h"
+
+#include "base/callback.h"
+#include "content/public/browser/permission_type.h"
+
+namespace headless {
+
+HeadlessPermissionManager::HeadlessPermissionManager() : PermissionManager() {}
+
+HeadlessPermissionManager::~HeadlessPermissionManager() {}
+
+int HeadlessPermissionManager::RequestPermission(
+    content::PermissionType permission,
+    content::RenderFrameHost* render_frame_host,
+    const GURL& requesting_origin,
+    bool user_gesture,
+    const base::Callback<void(blink::mojom::PermissionStatus)>& callback) {
+  // In headless mode we just pretent the user "closes" any permission prompt,
+  // without accepting or denying.
+  callback.Run(blink::mojom::PermissionStatus::ASK);
+  return kNoPendingOperation;
+}
+
+int HeadlessPermissionManager::RequestPermissions(
+    const std::vector<content::PermissionType>& permissions,
+    content::RenderFrameHost* render_frame_host,
+    const GURL& requesting_origin,
+    bool user_gesture,
+    const base::Callback<
+        void(const std::vector<blink::mojom::PermissionStatus>&)>& callback) {
+  // In headless mode we just pretent the user "closes" any permission prompt,
+  // without accepting or denying.
+  std::vector<blink::mojom::PermissionStatus> result(
+      permissions.size(), blink::mojom::PermissionStatus::ASK);
+  callback.Run(result);
+  return kNoPendingOperation;
+}
+
+void HeadlessPermissionManager::CancelPermissionRequest(int request_id) {}
+
+void HeadlessPermissionManager::ResetPermission(
+    content::PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {}
+
+blink::mojom::PermissionStatus HeadlessPermissionManager::GetPermissionStatus(
+    content::PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  return blink::mojom::PermissionStatus::ASK;
+}
+
+int HeadlessPermissionManager::SubscribePermissionStatusChange(
+    content::PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin,
+    const base::Callback<void(blink::mojom::PermissionStatus)>& callback) {
+  return kNoPendingOperation;
+}
+
+void HeadlessPermissionManager::UnsubscribePermissionStatusChange(
+    int subscription_id) {}
+
+}  // namespace headless