Remove implicit conversions from scoped_refptr to T* in extensions/

extensions/browser/api/hid/hid_api.cc

 // Copyright 2014 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 "extensions/browser/api/hid/hid_api.h"
 
 #include <string>
 #include <vector>
 
 #include "device/hid/hid_connection.h"
@@ skipping 113 matching lines @@
           APIPermission::kUsbDevice, &param)) {
     LOG(WARNING) << "Insufficient permissions to access device.";
     CompleteWithError(kErrorPermissionDenied);
     return;
   }
 
   HidService* hid_service = ExtensionsAPIClient::Get()->GetHidService();
   DCHECK(hid_service);
   scoped_refptr<HidConnection> connection =
       hid_service->Connect(device_info.device_id);
-  if (!connection) {
+  if (!connection.get()) {
     CompleteWithError(kErrorFailedToOpenDevice);
     return;
   }
   int connection_id = connection_manager_->Add(
       new HidConnectionResource(extension_->id(), connection));
   SetResult(PopulateHidConnection(connection_id, connection));
   AsyncWorkCompleted();
 }
 
 HidDisconnectFunction::HidDisconnectFunction() {}
@@ skipping 174 matching lines @@
 
 void HidSendFeatureReportFunction::OnFinished(bool success, size_t bytes) {
   if (!success) {
     CompleteWithError(kErrorTransfer);
     return;
   }
   AsyncWorkCompleted();
 }
 
 }  // namespace extensions