Convert pepper font list to new resource system.

ppapi/thunk/ppb_browser_font_singleton_api.h

+// Copyright (c) 2012 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 PPAPI_THUNK_PPB_BROWSER_FONT_SINGLETON_API_H_
+#define PPAPI_THUNK_PPB_BROWSER_FONT_SINGLETON_API_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_var.h"
+#include "ppapi/shared_impl/singleton_resource_id.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPB_BrowserFont_Singleton_API {
+ public:
+  virtual ~PPB_BrowserFont_Singleton_API() {}
+
+  virtual PP_Var GetFontFamilies(PP_Instance instance) = 0;
+
+  static const SingletonResourceID kSingletonResourceID =
+      BROWSER_FONT_SINGLETON_ID;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_BROWSER_FONT_SINGLETON_API_H_