Revert of Convert device::UsbConfigDescriptor and friends to structs.

device/usb/usb_interface_impl.cc

Index: device/usb/usb_interface_impl.cc
diff --git a/device/usb/usb_interface_impl.cc b/device/usb/usb_interface_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..af3d0e3fd1c8e4fe3d876378f2af6804b1acf693
--- /dev/null
+++ b/device/usb/usb_interface_impl.cc
@@ -0,0 +1,168 @@
+// 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 "device/usb/usb_interface_impl.h"
+
+#include "base/logging.h"
+#include "third_party/libusb/src/libusb/libusb.h"
+
+namespace device {
+
+UsbEndpointDescriptorImpl::UsbEndpointDescriptorImpl(
+    scoped_refptr<const UsbConfigDescriptor> config,
+    PlatformUsbEndpointDescriptor descriptor)
+    : config_(config), descriptor_(descriptor) {
+}
+
+UsbEndpointDescriptorImpl::~UsbEndpointDescriptorImpl() {
+}
+
+int UsbEndpointDescriptorImpl::GetAddress() const {
+  return descriptor_->bEndpointAddress & LIBUSB_ENDPOINT_ADDRESS_MASK;
+}
+
+UsbEndpointDirection UsbEndpointDescriptorImpl::GetDirection() const {
+  switch (descriptor_->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK) {
+    case LIBUSB_ENDPOINT_IN:
+      return USB_DIRECTION_INBOUND;
+    case LIBUSB_ENDPOINT_OUT:
+      return USB_DIRECTION_OUTBOUND;
+    default:
+      NOTREACHED();
+      return USB_DIRECTION_INBOUND;
+  }
+}
+
+int UsbEndpointDescriptorImpl::GetMaximumPacketSize() const {
+  return descriptor_->wMaxPacketSize;
+}
+
+UsbSynchronizationType UsbEndpointDescriptorImpl::GetSynchronizationType()
+    const {
+  switch (descriptor_->bmAttributes & LIBUSB_ISO_SYNC_TYPE_MASK) {
+    case LIBUSB_ISO_SYNC_TYPE_NONE:
+      return USB_SYNCHRONIZATION_NONE;
+    case LIBUSB_ISO_SYNC_TYPE_ASYNC:
+      return USB_SYNCHRONIZATION_ASYNCHRONOUS;
+    case LIBUSB_ISO_SYNC_TYPE_ADAPTIVE:
+      return USB_SYNCHRONIZATION_ADAPTIVE;
+    case LIBUSB_ISO_SYNC_TYPE_SYNC:
+      return USB_SYNCHRONIZATION_SYNCHRONOUS;
+    default:
+      NOTREACHED();
+      return USB_SYNCHRONIZATION_NONE;
+  }
+}
+
+UsbTransferType UsbEndpointDescriptorImpl::GetTransferType() const {
+  switch (descriptor_->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) {
+    case LIBUSB_TRANSFER_TYPE_CONTROL:
+      return USB_TRANSFER_CONTROL;
+    case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
+      return USB_TRANSFER_ISOCHRONOUS;
+    case LIBUSB_TRANSFER_TYPE_BULK:
+      return USB_TRANSFER_BULK;
+    case LIBUSB_TRANSFER_TYPE_INTERRUPT:
+      return USB_TRANSFER_INTERRUPT;
+    default:
+      NOTREACHED();
+      return USB_TRANSFER_CONTROL;
+  }
+}
+
+UsbUsageType UsbEndpointDescriptorImpl::GetUsageType() const {
+  switch (descriptor_->bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) {
+    case LIBUSB_ISO_USAGE_TYPE_DATA:
+      return USB_USAGE_DATA;
+    case LIBUSB_ISO_USAGE_TYPE_FEEDBACK:
+      return USB_USAGE_FEEDBACK;
+    case LIBUSB_ISO_USAGE_TYPE_IMPLICIT:
+      return USB_USAGE_EXPLICIT_FEEDBACK;
+    default:
+      NOTREACHED();
+      return USB_USAGE_DATA;
+  }
+}
+
+int UsbEndpointDescriptorImpl::GetPollingInterval() const {
+  return descriptor_->bInterval;
+}
+
+UsbInterfaceAltSettingDescriptorImpl::UsbInterfaceAltSettingDescriptorImpl(
+    scoped_refptr<const UsbConfigDescriptor> config,
+    PlatformUsbInterfaceDescriptor descriptor)
+    : config_(config), descriptor_(descriptor) {
+}
+
+UsbInterfaceAltSettingDescriptorImpl::~UsbInterfaceAltSettingDescriptorImpl() {
+}
+
+size_t UsbInterfaceAltSettingDescriptorImpl::GetNumEndpoints() const {
+  return descriptor_->bNumEndpoints;
+}
+
+scoped_refptr<const UsbEndpointDescriptor>
+UsbInterfaceAltSettingDescriptorImpl::GetEndpoint(size_t index) const {
+  return new UsbEndpointDescriptorImpl(config_, &descriptor_->endpoint[index]);
+}
+
+int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceNumber() const {
+  return descriptor_->bInterfaceNumber;
+}
+
+int UsbInterfaceAltSettingDescriptorImpl::GetAlternateSetting() const {
+  return descriptor_->bAlternateSetting;
+}
+
+int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceClass() const {
+  return descriptor_->bInterfaceClass;
+}
+
+int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceSubclass() const {
+  return descriptor_->bInterfaceSubClass;
+}
+
+int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceProtocol() const {
+  return descriptor_->bInterfaceProtocol;
+}
+
+UsbInterfaceDescriptorImpl::UsbInterfaceDescriptorImpl(
+    scoped_refptr<const UsbConfigDescriptor> config,
+    PlatformUsbInterface usbInterface)
+    : config_(config), interface_(usbInterface) {
+}
+
+UsbInterfaceDescriptorImpl::~UsbInterfaceDescriptorImpl() {
+}
+
+size_t UsbInterfaceDescriptorImpl::GetNumAltSettings() const {
+  return interface_->num_altsetting;
+}
+
+scoped_refptr<const UsbInterfaceAltSettingDescriptor>
+UsbInterfaceDescriptorImpl::GetAltSetting(size_t index) const {
+  return new UsbInterfaceAltSettingDescriptorImpl(
+      config_, &interface_->altsetting[index]);
+}
+
+UsbConfigDescriptorImpl::UsbConfigDescriptorImpl(
+    PlatformUsbConfigDescriptor config)
+    : config_(config) {
+  DCHECK(config);
+}
+
+UsbConfigDescriptorImpl::~UsbConfigDescriptorImpl() {
+  libusb_free_config_descriptor(config_);
+}
+
+size_t UsbConfigDescriptorImpl::GetNumInterfaces() const {
+  return config_->bNumInterfaces;
+}
+
+scoped_refptr<const UsbInterfaceDescriptor>
+UsbConfigDescriptorImpl::GetInterface(size_t index) const {
+  return new UsbInterfaceDescriptorImpl(this, &config_->interface[index]);
+}
+
+}  // namespace device