Replace base::File wrapping with typemapping.

components/font_service/public/cpp/font_service_thread.h

 // 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 COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_SERVICE_THREAD_H_
 #define COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_SERVICE_THREAD_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 62 matching lines @@
       mojom::FontIdentityPtr font_identity,
       const std::string& family_name,
       mojom::TypefaceStylePtr style);
 
   // Implementation of OpenStream; same threading restrictions as MatchFamily.
   void OpenStreamImpl(base::WaitableEvent* done_event,
                       base::File* output_file,
                       const uint32_t id_number);
   void OnOpenStreamComplete(base::WaitableEvent* done_event,
                             base::File* output_file,
-                            mojo::ScopedHandle handle);
+                            base::File file);
 
   // Connection to |font_service_| has gone away. Called on the background
   // thread.
   void OnFontServiceConnectionError();
 
   // base::Thread
   void Init() override;
   void CleanUp() override;
 
   // This member is used to safely pass data from one thread to another. It is
@@ skipping 14 matching lines @@
 
   base::WeakPtrFactory<FontServiceThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FontServiceThread);
 };
 
 }  // namespace internal
 }  // namespace font_service
 
 #endif  // COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_SERVICE_THREAD_H_