Convert HidDeviceInfo from a struct to a refcounted class.

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/core/device_client.h"
@@ skipping 103 matching lines @@
   if (!device_manager) {
     return RespondNow(Error(kErrorServiceUnavailable));
   }
 
   connection_manager_ =
       ApiResourceManager<HidConnectionResource>::Get(browser_context());
   if (!connection_manager_) {
     return RespondNow(Error(kErrorServiceUnavailable));
   }
 
-  HidDeviceInfo device_info;
-  if (!device_manager->GetDeviceInfo(parameters->device_id, &device_info)) {
+  scoped_refptr<HidDeviceInfo> device_info =
+      device_manager->GetDeviceInfo(parameters->device_id);
+  if (!device_info) {
     return RespondNow(Error(kErrorInvalidDeviceId));
   }
 
   if (!HidDeviceManager::HasPermission(extension(), device_info)) {
     return RespondNow(Error(kErrorPermissionDenied));
   }
 
   HidService* hid_service = device::DeviceClient::Get()->GetHidService();
   if (!hid_service) {
     return RespondNow(Error(kErrorServiceUnavailable));
   }
 
   hid_service->Connect(
-      device_info.device_id,
+      device_info->device_id(),
       base::Bind(&HidConnectFunction::OnConnectComplete, this));
   return RespondLater();
 }
 
 void HidConnectFunction::OnConnectComplete(
     scoped_refptr<HidConnection> connection) {
   if (!connection.get()) {
     Respond(Error(kErrorFailedToOpenDevice));
     return;
   }
@@ skipping 169 matching lines @@
 
 void HidSendFeatureReportFunction::OnFinished(bool success) {
   if (success) {
     Respond(NoArguments());
   } else {
     Respond(Error(kErrorTransfer));
   }
 }
 
 }  // namespace extensions