Add WebUSB bindings and client interface

Source/modules/webusb/USBDevice.h

Index: Source/modules/webusb/USBDevice.h
diff --git a/Source/modules/webusb/USBDevice.h b/Source/modules/webusb/USBDevice.h
new file mode 100644
index 0000000000000000000000000000000000000000..d7430b2a924567e7cfa912d6184f45cf0cf611a4
--- /dev/null
+++ b/Source/modules/webusb/USBDevice.h
@@ -0,0 +1,73 @@
+// 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/ScriptPromise.h"
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "bindings/modules/v8/UnionTypesModules.h"
+#include "modules/webusb/USBConfiguration.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:
+    typedef WebUSBDeviceInfo WebType;
+
+    static USBDevice* create(PassOwnPtr<WebUSBDevice>);
+
+    USBDevice(PassOwnPtr<WebUSBDevice>);
+    virtual ~USBDevice() { }
+
+    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; }
+    HeapVector<Member<USBConfiguration>> configurations() const;
+
+    ScriptPromise open(ScriptState*);
+    ScriptPromise close(ScriptState*);
+    ScriptPromise setConfiguration(ScriptState*, uint8_t configurationValue);
+    ScriptPromise claimInterface(ScriptState*, uint8_t interfaceNumber);
+    ScriptPromise releaseInterface(ScriptState*, uint8_t interfaceNumber);
+    ScriptPromise setInterface(ScriptState*, uint8_t interfaceNumber, uint8_t alternateSetting);
+    ScriptPromise controlTransferIn(ScriptState*, const USBControlTransferParameters&, uint16_t length);
+    ScriptPromise controlTransferOut(ScriptState*, const USBControlTransferParameters&);
+    ScriptPromise controlTransferOut(ScriptState*, const USBControlTransferParameters&, const ArrayBufferOrArrayBufferView& data);
+    ScriptPromise clearHalt(ScriptState*, uint8_t endpointNumber);
+    ScriptPromise transferIn(ScriptState*, uint8_t endpointNumber, unsigned length);
+    ScriptPromise transferOut(ScriptState*, uint8_t endpointNumber, const ArrayBufferOrArrayBufferView& data);
+    ScriptPromise reset(ScriptState*);
+
+    DEFINE_INLINE_TRACE() { }
+
+private:
+    OwnPtr<WebUSBDevice> m_device;
+};
+
+} // namespace blink
+
+#endif // USBDevice_h