Attach a WebBluetooth to the LocalFrame and use it if it's available.

Source/modules/bluetooth/BluetoothGATTRemoteServer.cpp

 // Copyright 2015 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 "config.h"
 #include "modules/bluetooth/BluetoothGATTRemoteServer.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/bluetooth/BluetoothError.h"
 #include "modules/bluetooth/BluetoothGATTService.h"
+#include "modules/bluetooth/BluetoothSupplement.h"
 #include "modules/bluetooth/BluetoothUUID.h"
-#include "public/platform/Platform.h"
 #include "public/platform/modules/bluetooth/WebBluetooth.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 BluetoothGATTRemoteServer::BluetoothGATTRemoteServer(PassOwnPtr<WebBluetoothGATTRemoteServer> webGATT)
     : m_webGATT(webGATT)
 {
 }
 
 BluetoothGATTRemoteServer* BluetoothGATTRemoteServer::take(ScriptPromiseResolver*, PassOwnPtr<WebBluetoothGATTRemoteServer> webGATT)
 {
     return new BluetoothGATTRemoteServer(webGATT);
 }
 
 ScriptPromise BluetoothGATTRemoteServer::getPrimaryService(ScriptState* scriptState, const StringOrUnsignedLong& service, ExceptionState& exceptionState)
 {
-    WebBluetooth* webbluetooth = Platform::current()->bluetooth();
+    WebBluetooth* webbluetooth = BluetoothSupplement::from(scriptState);
 
     String serviceUUID = BluetoothUUID::getService(service, exceptionState);
     if (exceptionState.hadException())
         return exceptionState.reject(scriptState);
 
     RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
     webbluetooth->getPrimaryService(m_webGATT->deviceInstanceID, serviceUUID, new CallbackPromiseAdapter<BluetoothGATTService, BluetoothError>(resolver));
 
     return promise;
 }
 
 } // namespace blink