Changing USB API buffer ownership.

chrome/browser/extensions/api/usb/usb_device_resource.h

Index: chrome/browser/extensions/api/usb/usb_device_resource.h
diff --git a/chrome/browser/extensions/api/usb/usb_device_resource.h b/chrome/browser/extensions/api/usb/usb_device_resource.h
index a757304faaa8d67d347e2587db285716dc255f20..6abb69820b4d3462c8175813fdd922993ccefb50 100644
--- a/chrome/browser/extensions/api/usb/usb_device_resource.h
+++ b/chrome/browser/extensions/api/usb/usb_device_resource.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/memory/linked_ptr.h"
+#include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/extensions/api/api_resource.h"
 #include "chrome/browser/usb/usb_device.h"
@@ -50,8 +51,9 @@ class UsbDeviceResource : public ApiResource {
  private:
   // Invoked by the underlying device's transfer callbacks. Indicates transfer
   // completion to the ApiResource's event notifier.
-  void TransferComplete(net::IOBuffer* buffer, const size_t length,
-                        UsbTransferStatus status);
+  void TransferComplete(UsbTransferStatus status,
+                        scoped_refptr<net::IOBuffer> buffer,
+                        size_t length);
 
   scoped_refptr<UsbDevice> device_;