Consume Mojo services directly in Blink's WebUSB implementation.

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

Index: third_party/WebKit/Source/modules/webusb/USBController.h
diff --git a/third_party/WebKit/Source/modules/webusb/USBController.h b/third_party/WebKit/Source/modules/webusb/USBController.h
deleted file mode 100644
index ee59e3d082b148b5083bca606a317384dafede2d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/webusb/USBController.h
+++ /dev/null
@@ -1,45 +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 USBController_h
-#define USBController_h
-
-#include "core/frame/LocalFrame.h"
-#include "core/frame/LocalFrameLifecycleObserver.h"
-#include "modules/ModulesExport.h"
-#include "platform/heap/Handle.h"
-
-namespace blink {
-
-class WebUSBClient;
-
-class MODULES_EXPORT USBController final
-    : public GarbageCollectedFinalized<USBController>
-    , public Supplement<LocalFrame>
-    , public LocalFrameLifecycleObserver {
-    WTF_MAKE_NONCOPYABLE(USBController);
-    USING_GARBAGE_COLLECTED_MIXIN(USBController);
-public:
-    virtual ~USBController();
-
-    WebUSBClient* client() { return m_client; }
-
-    static void provideTo(LocalFrame&, WebUSBClient*);
-    static USBController& from(LocalFrame&);
-    static const char* supplementName();
-
-    DECLARE_VIRTUAL_TRACE();
-
-private:
-    USBController(LocalFrame&, WebUSBClient*);
-
-    // Inherited from LocalFrameLifecycleObserver.
-    void willDetachFrameHost() override;
-
-    WebUSBClient* m_client;
-};
-
-} // namespace blink
-
-#endif // USBController_h