Consume Mojo services directly in Blink's WebUSB implementation.

third_party/WebKit/Source/modules/webusb/USBError.h

Index: third_party/WebKit/Source/modules/webusb/USBError.h
diff --git a/third_party/WebKit/Source/modules/webusb/USBError.h b/third_party/WebKit/Source/modules/webusb/USBError.h
deleted file mode 100644
index dc0bb37c35390ea5bc1ef48b1a611ddd5210b035..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/webusb/USBError.h
+++ /dev/null
@@ -1,32 +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 USBError_h
-#define USBError_h
-
-#include "platform/heap/Handle.h"
-#include "public/platform/modules/webusb/WebUSBError.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace blink {
-
-class DOMException;
-class ScriptPromiseResolver;
-
-// USBError is used with CallbackPromiseAdapter to receive WebUSBError
-// responses. See CallbackPromiseAdapter class comments.
-class USBError {
-    WTF_MAKE_NONCOPYABLE(USBError);
-public:
-    // Interface required by CallbackPromiseAdapter:
-    using WebType = const WebUSBError&;
-    static DOMException* take(ScriptPromiseResolver*, const WebUSBError&);
-
-private:
-    USBError() = delete;
-};
-
-} // namespace blink
-
-#endif // USBError_h