Fixes leaking transfer objects due to improper USB handle closure.

chrome/browser/usb/usb_device.cc

 // Copyright 2013 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 "chrome/browser/usb/usb_device.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "chrome/browser/usb/usb_context.h"
@@ skipping 33 matching lines @@
   STLClearObject(&handles_);
   libusb_unref_device(platform_device_);
 }
 
 scoped_refptr<UsbDeviceHandle> UsbDevice::Open() {
   DCHECK(thread_checker_.CalledOnValidThread());
   PlatformUsbDeviceHandle handle;
   int rv = libusb_open(platform_device_, &handle);
   if (LIBUSB_SUCCESS == rv) {
     scoped_refptr<UsbDeviceHandle> device_handle =
-        new UsbDeviceHandle(this, handle);
+        new UsbDeviceHandle(context_, this, handle);
     handles_.push_back(device_handle);
     return device_handle;
   }
   return NULL;
 }
 
 bool UsbDevice::Close(scoped_refptr<UsbDeviceHandle> handle) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   for (HandlesVector::iterator it = handles_.begin();
@@ skipping 24 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   HandlesVector handles;
   swap(handles, handles_);
   for (std::vector<scoped_refptr<UsbDeviceHandle> >::iterator it =
       handles.begin();
       it != handles.end();
       ++it) {
     (*it)->InternalClose();
   }
 }