[sensors] Add Permission guard to the generic sensor apis.

third_party/WebKit/Source/modules/sensor/Sensor.h

 // Copyright 2016 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.
 
 #ifndef Sensor_h
 #define Sensor_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/frame/PlatformEventController.h"
 #include "core/page/PageVisibilityObserver.h"
 #include "modules/EventTargetModules.h"
 #include "modules/sensor/SensorOptions.h"
 #include "modules/sensor/SensorProxy.h"
 #include "platform/heap/Handle.h"
+#include "public/platform/modules/permissions/permission.mojom-blink.h"
+#include "public/platform/modules/permissions/permission_status.mojom-blink.h"
 
 namespace blink {
 
 class ExceptionState;
 class ScriptState;
 class SensorReading;
 class SensorPollingStrategy;
 
 class Sensor : public EventTargetWithInlineData,
                public ActiveScriptWrappable,
@@ skipping 75 matching lines @@
   void reportError(ExceptionCode = UnknownError,
                    const String& sanitizedMessage = String(),
                    const String& unsanitizedMessage = String());
 
   void updatePollingStatus();
 
   void notifySensorReadingChanged();
   void notifyStateChanged();
   void notifyError(DOMException* error);
 
+  mojom::blink::PermissionService* getPermissionService(ExecutionContext*);
+  void permissionServiceConnectionError();
+  void onPermissionUpdate(ExecutionContext*, mojom::blink::PermissionStatus);
+  void requestPermission(ExecutionContext*, mojom::blink::PermissionStatus);
+
  private:
   Member<SensorReading> m_sensorReading;
   SensorOptions m_sensorOptions;
   device::mojom::blink::SensorType m_type;
   SensorState m_state;
   Member<SensorProxy> m_sensorProxy;
   std::unique_ptr<SensorPollingStrategy> m_polling;
   SensorProxy::Reading m_storedData;
   SensorConfigurationPtr m_configuration;
+
+  mojom::blink::PermissionStatus m_sensorPermission;
+
+  mojom::blink::PermissionServicePtr m_permissionService;
 };
 
 }  // namespace blink
 
 #endif  // Sensor_h