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

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

Index: third_party/WebKit/Source/modules/sensor/Sensor.h
diff --git a/third_party/WebKit/Source/modules/sensor/Sensor.h b/third_party/WebKit/Source/modules/sensor/Sensor.h
index e1aacf407cdb04730dc594e605b3498a1959e2bf..a1a09761d529970ae6bac4d72d928aa743c1ec9f 100644
--- a/third_party/WebKit/Source/modules/sensor/Sensor.h
+++ b/third_party/WebKit/Source/modules/sensor/Sensor.h
@@ -15,6 +15,8 @@
 #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 {
 
@@ -110,6 +112,11 @@ class Sensor : public EventTargetWithInlineData,
   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;
@@ -119,6 +126,10 @@ class Sensor : public EventTargetWithInlineData,
   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