Support getting the font list in Pepper. This currently only works out of

ppapi/shared_impl/function_group_base.h

 // Copyright (c) 2011 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_SHARED_IMPL_FUNCTION_GROUP_BASE_H_
 #define PPAPI_SHARED_IMPL_FUNCTION_GROUP_BASE_H_
 
 namespace ppapi {
 
 namespace thunk {
+class PPB_Font_FunctionAPI;
 class ResourceCreationAPI;
 }
 
 class FunctionGroupBase {
  public:
   // Dynamic casting for this object. Returns the pointer to the given type if
   // it's supported.
+  virtual thunk::PPB_Font_FunctionAPI* AsFont_FunctionAPI() { return NULL; }
   virtual thunk::ResourceCreationAPI* AsResourceCreation() { return NULL; }
 
   template <typename T> T* GetAs() { return NULL; }
 };
 
 template<>
+inline thunk::PPB_Font_FunctionAPI* FunctionGroupBase::GetAs() {
+  return AsFont_FunctionAPI();
+}
+template<>
 inline ppapi::thunk::ResourceCreationAPI* FunctionGroupBase::GetAs() {
   return AsResourceCreation();
 }
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_FUNCTION_GROUP_BASE_H_