[Sensors] Align sensor reading attribute implementation with the specification

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

Index: third_party/WebKit/Source/modules/sensor/SensorProviderProxy.h
diff --git a/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.h b/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.h
index e4dfaa98bc634f49fe1fe27e8b7cd1fb8a492919..fc89f5407584eaa57d837ad5ab1825b271abdf7b 100644
--- a/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.h
+++ b/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.h
@@ -14,6 +14,7 @@
 namespace blink {
 
 class SensorProxy;
+class SensorReadingFactory;
 
 // This class wraps 'SensorProvider' mojo interface and it manages
 // 'SensorProxy' instances.
@@ -28,7 +29,10 @@ class SensorProviderProxy final
 
   ~SensorProviderProxy();
 
-  SensorProxy* getOrCreateSensor(device::mojom::blink::SensorType);
+  SensorProxy* createSensor(device::mojom::blink::SensorType,
+                            std::unique_ptr<SensorReadingFactory>);
+
+  SensorProxy* getSensor(device::mojom::blink::SensorType);
 
   DECLARE_VIRTUAL_TRACE();