Consume Mojo services directly in Blink's WebUSB implementation.

third_party/WebKit/Source/modules/webusb/USBInterface.cpp

 // Copyright 2015 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 "modules/webusb/USBInterface.h"
 
 #include "bindings/core/v8/ExceptionState.h"
+#include "device/usb/public/interfaces/device.mojom-wtf.h"
 #include "modules/webusb/USBAlternateInterface.h"
 #include "modules/webusb/USBConfiguration.h"
 #include "modules/webusb/USBDevice.h"
 
 namespace blink {
 
 USBInterface* USBInterface::create(const USBConfiguration* configuration, size_t interfaceIndex)
 {
     return new USBInterface(configuration->device(), configuration->index(), interfaceIndex);
 }
 
 USBInterface* USBInterface::create(const USBConfiguration* configuration, size_t interfaceNumber, ExceptionState& exceptionState)
 {
     const auto& interfaces = configuration->info().interfaces;
     for (size_t i = 0; i < interfaces.size(); ++i) {
-        if (interfaces[i].interfaceNumber == interfaceNumber)
+        if (interfaces[i]->interface_number == interfaceNumber)
             return new USBInterface(configuration->device(), configuration->index(), i);
     }
     exceptionState.throwRangeError("Invalid interface index.");
     return nullptr;
 }
 
 USBInterface::USBInterface(const USBDevice* device, size_t configurationIndex, size_t interfaceIndex)
     : m_device(device)
     , m_configurationIndex(configurationIndex)
     , m_interfaceIndex(interfaceIndex)
 {
     ASSERT(m_configurationIndex < m_device->info().configurations.size());
-    ASSERT(m_interfaceIndex < m_device->info().configurations[m_configurationIndex].interfaces.size());
+    ASSERT(m_interfaceIndex < m_device->info().configurations[m_configurationIndex]->interfaces.size());
 }
 
-const WebUSBDeviceInfo::Interface& USBInterface::info() const
+const device::usb::wtf::InterfaceInfo& USBInterface::info() const
 {
-    return m_device->info().configurations[m_configurationIndex].interfaces[m_interfaceIndex];
+    return *m_device->info().configurations[m_configurationIndex]->interfaces[m_interfaceIndex];
 }
 
 USBAlternateInterface* USBInterface::alternate() const
 {
     if (m_device->isInterfaceClaimed(m_configurationIndex, m_interfaceIndex))
         return USBAlternateInterface::create(this, m_device->selectedAlternateInterface(m_interfaceIndex));
     return nullptr;
 }
 
 HeapVector<Member<USBAlternateInterface>> USBInterface::alternates() const
 {
     HeapVector<Member<USBAlternateInterface>> alternates;
     for (size_t i = 0; i < info().alternates.size(); ++i)
         alternates.append(USBAlternateInterface::create(this, i));
     return alternates;
 }
 
-uint8_t USBInterface::interfaceNumber() const
-{
-    return info().interfaceNumber;
-}
-
 bool USBInterface::claimed() const
 {
     return m_device->isInterfaceClaimed(m_configurationIndex, m_interfaceIndex);
 }
 
 DEFINE_TRACE(USBInterface)
 {
     visitor->trace(m_device);
 }
 
 } // namespace blink