Add usb_service::UsbDeviceFilter class for device matching.

components/usb_service/usb_device_impl.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 "components/usb_service/usb_device_impl.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "components/usb_service/usb_context.h"
@@ skipping 43 matching lines @@
   for (HandlesVector::iterator it = handles_.begin(); it != handles_.end();
        ++it) {
     (*it)->InternalClose();
   }
   STLClearObject(&handles_);
   libusb_unref_device(platform_device_);
 }
 
 #if defined(OS_CHROMEOS)
 
-void UsbDeviceImpl::RequestUsbAcess(
+void UsbDeviceImpl::RequestUsbAccess(
     int interface_id,
     const base::Callback<void(bool success)>& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   // ChromeOS builds on non-ChromeOS machines (dev) should not attempt to
   // use permission broker.
   if (base::SysInfo::IsRunningOnChromeOS()) {
     chromeos::PermissionBrokerClient* client =
         chromeos::DBusThreadManager::Get()->GetPermissionBrokerClient();
     DCHECK(client) << "Could not get permission broker client.";
@@ skipping 64 matching lines @@
 
 void UsbDeviceImpl::OnDisconnect() {
   DCHECK(thread_checker_.CalledOnValidThread());
   HandlesVector handles;
   swap(handles, handles_);
   for (HandlesVector::iterator it = handles.begin(); it != handles.end(); ++it)
     (*it)->InternalClose();
 }
 
 }  // namespace usb_service