Extensions-related fixups for scoped_refptr conversion operator removal.

extensions/browser/api/usb/usb_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/usb/usb_api.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 446 matching lines @@
 scoped_refptr<UsbDeviceHandle>
 UsbAsyncApiFunction::GetDeviceHandleOrCompleteWithError(
     const ConnectionHandle& input_device_handle) {
   UsbDeviceResource* resource =
       manager_->Get(extension_->id(), input_device_handle.handle);
   if (!resource) {
     CompleteWithError(kErrorNoDevice);
     return NULL;
   }
 
-  if (!resource->device() || !resource->device()->GetDevice()) {
+  if (!resource->device().get() || !resource->device()->GetDevice().get()) {
     CompleteWithError(kErrorDisconnect);
     manager_->Remove(extension_->id(), input_device_handle.handle);
     return NULL;
   }
 
   if (resource->device()->GetDevice()->vendor_id() !=
           input_device_handle.vendor_id ||
       resource->device()->GetDevice()->product_id() !=
           input_device_handle.product_id) {
     CompleteWithError(kErrorNoDevice);
@@ skipping 721 matching lines @@
     SetResult(new base::FundamentalValue(false));
     CompleteWithError(kErrorResetDevice);
     return;
   }
 
   SetResult(new base::FundamentalValue(true));
   AsyncWorkCompleted();
 }
 
 }  // namespace extensions