[sensors][permission] Add new permission types in permission module.

chrome/browser/generic_sensor/sensor_permission_context.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 "chrome/browser/generic_sensor/sensor_permission_context.h"
+
+SensorPermissionContext::SensorPermissionContext(Profile* profile)
+    : PermissionContextBase(profile,
+                            CONTENT_SETTINGS_TYPE_SENSORS,
+                            blink::WebFeaturePolicyFeature::kNotFound) {}
+
+SensorPermissionContext::~SensorPermissionContext() {}
+
+ContentSetting SensorPermissionContext::GetPermissionStatusInternal(
+    content::RenderFrameHost* render_frame_host,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) const {
+  if (requesting_origin != embedding_origin)
+    return CONTENT_SETTING_BLOCK;
+
+  return CONTENT_SETTING_ALLOW;
+}
+
+bool SensorPermissionContext::IsRestrictedToSecureOrigins() const {
+  return true;
+}