Consume Mojo services directly in Blink's WebUSB implementation.

third_party/WebKit/Source/modules/webusb/USBError.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/USBError.h"
-
-#include "core/dom/DOMException.h"
-#include "core/dom/ExceptionCode.h"
-#include "public/platform/modules/webusb/WebUSBError.h"
-
-namespace blink {
-
-DOMException* USBError::take(ScriptPromiseResolver*, const WebUSBError& webError)
-{
-    switch (webError.error) {
-    case WebUSBError::Error::InvalidState:
-        return DOMException::create(InvalidStateError, webError.message);
-    case WebUSBError::Error::Network:
-        return DOMException::create(NetworkError, webError.message);
-    case WebUSBError::Error::NotFound:
-        return DOMException::create(NotFoundError, webError.message);
-    case WebUSBError::Error::Security:
-        return DOMException::create(SecurityError, webError.message);
-    }
-    ASSERT_NOT_REACHED();
-    return DOMException::create(UnknownError);
-}
-
-} // namespace blink