Convert render process component common Spellcheck IPC to mojo

components/spellcheck/common/spellcheck_bdict_language.h

Index: components/spellcheck/common/spellcheck_bdict_language.h
diff --git a/components/spellcheck/common/spellcheck_bdict_language.h b/components/spellcheck/common/spellcheck_bdict_language.h
deleted file mode 100644
index 950229440764a56d87d357bb478e9b0e6f3425fb..0000000000000000000000000000000000000000
--- a/components/spellcheck/common/spellcheck_bdict_language.h
+++ /dev/null
@@ -1,17 +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 COMPONENTS_SPELLCHECK_COMMON_SPELLCHECK_BDICT_LANGUAGE_H_
-#define COMPONENTS_SPELLCHECK_COMMON_SPELLCHECK_BDICT_LANGUAGE_H_
-
-#include <string>
-
-#include "ipc/ipc_platform_file.h"
-
-struct SpellCheckBDictLanguage {
-  IPC::PlatformFileForTransit file;
-  std::string language;
-};
-
-#endif  // COMPONENTS_SPELLCHECK_COMMON_SPELLCHECK_BDICT_LANGUAGE_H_