Consume Mojo services directly in Blink's WebUSB implementation.

third_party/WebKit/public/platform/modules/webusb/WebUSBError.h

Index: third_party/WebKit/public/platform/modules/webusb/WebUSBError.h
diff --git a/third_party/WebKit/public/platform/modules/webusb/WebUSBError.h b/third_party/WebKit/public/platform/modules/webusb/WebUSBError.h
deleted file mode 100644
index bf45f03f638576c5e5313ae54c896148686593a8..0000000000000000000000000000000000000000
--- a/third_party/WebKit/public/platform/modules/webusb/WebUSBError.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// 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 WebUSBError_h
-#define WebUSBError_h
-
-#include "public/platform/WebString.h"
-
-namespace blink {
-
-// Error object used to create DOMExceptions when a Web USB request cannot be
-// satisfied.
-struct WebUSBError {
-    enum class Error {
-        InvalidState,
-        Network,
-        NotFound,
-        Security,
-    };
-
-    WebUSBError(Error error, const WebString& message)
-        : error(error)
-        , message(message)
-    {
-    }
-
-    Error error;
-    WebString message;
-};
-
-} // namespace blink
-
-#endif // WebUSBError_h