Remove SkFontHost::ValidFontID.

skia/ext/SkFontHost_fontconfig.cpp

 /* libs/graphics/ports/SkFontHost_fontconfig.cpp
 **
 ** Copyright 2008, Google Inc.
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
@@ skipping 190 matching lines @@
     return typeface;
 }
 
 // static
 SkTypeface* SkFontHost::CreateTypefaceFromFile(const char path[])
 {
     SkASSERT(!"SkFontHost::CreateTypefaceFromFile unimplemented");
     return NULL;
 }
 
-// static
-bool SkFontHost::ValidFontID(SkFontID uniqueID) {
-    if (IsRemoteFont(UniqueIdToFileFaceId(uniqueID))) {
-        // remote font
-        SkAutoMutexAcquire ac(global_remote_font_map_lock);
-        return global_remote_fonts.find(uniqueID) != global_remote_fonts.end();
-    } else {
-        // local font
-        SkAutoMutexAcquire ac(global_fc_map_lock);
-        return global_fc_typefaces.find(uniqueID) != global_fc_typefaces.end();
-    }
-}
-
 void SkFontHost::Serialize(const SkTypeface*, SkWStream*) {
     SkASSERT(!"SkFontHost::Serialize unimplemented");
 }
 
 SkTypeface* SkFontHost::Deserialize(SkStream* stream) {
     SkASSERT(!"SkFontHost::Deserialize unimplemented");
     return NULL;
 }
 
 // static
@@ skipping 106 matching lines @@
         if (!path)
           return 1;
     }
 
     if (path)
         SkASSERT(!"SkFontHost::GetFileName does not support the font path "
                   "retrieval.");
 
     return 0;
 }