Port device_generic_sensor to be hosted in Device Service.

third_party/WebKit/Source/modules/sensor/SensorProviderProxy.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 SensorProviderProxy_h
 #define SensorProviderProxy_h
 
 #include "core/frame/LocalFrame.h"
 #include "device/generic_sensor/public/interfaces/sensor.mojom-blink.h"
 #include "device/generic_sensor/public/interfaces/sensor_provider.mojom-blink.h"
@@ skipping 21 matching lines @@
 
   SensorProxy* GetSensorProxy(device::mojom::blink::SensorType);
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   friend class SensorProxy;  // To call getSensorProvider().
 
   explicit SensorProviderProxy(LocalFrame&);
   static const char* SupplementName();
-  void InitializeIfNeeded(LocalFrame*);
+  void InitializeIfNeeded();
   bool IsInitialized() const { return sensor_provider_; }
 
   device::mojom::blink::SensorProvider* GetSensorProvider() const {
     return sensor_provider_.get();
   }
 
   void OnSensorProviderConnectionError();
 
   using SensorsSet = HeapHashSet<WeakMember<SensorProxy>>;
   SensorsSet sensor_proxies_;
 
   device::mojom::blink::SensorProviderPtr sensor_provider_;
 };
 
 }  // namespace blink
 
 #endif  // SensorProviderProxy_h