Add WebUSB bindings and client interface [part 2]

Source/modules/webusb/USBDevice.h

 // 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.
 
 #ifndef USBDevice_h
 #define USBDevice_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
+#include "public/platform/modules/webusb/WebUSBDevice.h"
+#include "public/platform/modules/webusb/WebUSBDeviceInfo.h"
 
 namespace blink {
 
-class USBControlTransferParameters;
-
 class USBDevice
     : public GarbageCollectedFinalized<USBDevice>
     , public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static USBDevice* create()
+    using WebType = WebUSBDeviceInfo;
+
+    static USBDevice* create(PassOwnPtr<WebUSBDevice> device)
     {
-        return new USBDevice;
+        return new USBDevice(device);
     }
 
-    USBDevice() { }
+    explicit USBDevice(PassOwnPtr<WebUSBDevice> device)
+        : m_device(device)
+    {
+    }
 
     virtual ~USBDevice() { }
 
-    String guid() const
-    {
-        ASSERT_NOT_REACHED();
-        return "";
-    }
+    const WebUSBDeviceInfo& info() const { return m_device->info(); }
+
+    String guid() const { return info().guid; }
+    uint8_t usbVersionMajor() { return info().usbVersionMajor; }
+    uint8_t usbVersionMinor() { return info().usbVersionMinor; }
+    uint8_t usbVersionSubminor() { return info().usbVersionSubminor; }
+    uint8_t deviceClass() { return info().deviceClass; }
+    uint8_t deviceSubclass() const { return info().deviceSubclass; }
+    uint8_t deviceProtocol() const { return info().deviceProtocol; }
+    uint16_t vendorId() const { return info().vendorID; }
+    uint16_t productId() const { return info().productID; }
+    uint8_t deviceVersionMajor() const { return info().deviceVersionMajor; }
+    uint8_t deviceVersionMinor() const { return info().deviceVersionMinor; }
+    uint8_t deviceVersionSubminor() const { return info().deviceVersionSubminor; }
+    String manufacturerName() const { return info().manufacturerName; }
+    String productName() const { return info().productName; }
+    String serialNumber() const { return info().serialNumber; }
 
     DEFINE_INLINE_TRACE() { }
+
+private:
+    OwnPtr<WebUSBDevice> m_device;
 };
 
 } // namespace blink
 
 #endif // USBDevice_h