Allow script to request durable storage permission (chrome side)

content/child/permissions/permission_dispatcher.cc

 // 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 "content/child/permissions/permission_dispatcher.h"
 
 #include "base/callback.h"
 #include "content/child/worker_task_runner.h"
 #include "content/public/common/service_registry.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/modules/permissions/WebPermissionObserver.h"
+#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 
 using blink::WebPermissionObserver;
 
 namespace content {
 
 namespace {
 
 PermissionName GetPermissionName(blink::WebPermissionType type) {
   switch (type) {
     case blink::WebPermissionTypeGeolocation:
       return PERMISSION_NAME_GEOLOCATION;
     case blink::WebPermissionTypeNotifications:
       return PERMISSION_NAME_NOTIFICATIONS;
     case blink::WebPermissionTypePushNotifications:
       return PERMISSION_NAME_PUSH_NOTIFICATIONS;
     case blink::WebPermissionTypeMidiSysEx:
       return PERMISSION_NAME_MIDI_SYSEX;
+    case blink::WebPermissionTypeDurableStorage:
+        return PERMISSION_NAME_DURABLE_STORAGE;
     default:
       // The default statement is only there to prevent compilation failures if
       // WebPermissionType enum gets extended.
       NOTREACHED();
       return PERMISSION_NAME_GEOLOCATION;
   }
 }
 
 PermissionStatus GetPermissionStatus(blink::WebPermissionStatus status) {
   switch (status) {
@@ skipping 59 matching lines @@
 PermissionDispatcher::CallbackInformation::~CallbackInformation() {
 }
 
 PermissionDispatcher::PermissionDispatcher(ServiceRegistry* service_registry)
     : service_registry_(service_registry) {
 }
 
 PermissionDispatcher::~PermissionDispatcher() {
 }
 
+void PermissionDispatcher::requestDurablePermission(const blink::WebURL& origin,
+      blink::WebPermissionQueryCallback* callback) {
+  int request_id = pending_callbacks_.Add(
+        new CallbackInformation(callback, kNoWorkerThread));
+  GetPermissionServicePtr()->RequestPermission(
+      PERMISSION_NAME_DURABLE_STORAGE, origin.string().utf8(),
+      blink::WebUserGestureIndicator::isProcessingUserGesture(),
+      base::Bind(&PermissionDispatcher::OnQueryPermission,
+          base::Unretained(this),
+          request_id));
+}
+
 void PermissionDispatcher::queryPermission(
     blink::WebPermissionType type,
     const blink::WebURL& origin,
     blink::WebPermissionQueryCallback* callback) {
   QueryPermissionInternal(
       type, origin.string().utf8(), callback, kNoWorkerThread);
 }
 
 void PermissionDispatcher::startListening(
     blink::WebPermissionType type,
@@ skipping 159 matching lines @@
       origin,
       current_status,
       base::Bind(&PermissionDispatcher::OnPermissionChanged,
                  base::Unretained(this),
                  type,
                  origin,
                  base::Unretained(observer)));
 }
 
 }  // namespace content