Fix font family based fallback font selection

Source/platform/fonts/linux/FontCacheLinux.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 19 matching lines @@
 #include "public/platform/linux/WebFontInfo.h"
 #include "public/platform/linux/WebSandboxSupport.h"
 #include "public/platform/Platform.h"
 #include "wtf/text/CString.h"
 
 namespace WebCore {
 
 void FontCache::getFontForCharacter(UChar32 c, const char* preferredLocale, FontCache::PlatformFallbackFont* fallbackFont)
 {
     blink::WebFallbackFont webFallbackFont;
-    if (blink::Platform::current()->sandboxSupport()) {
+    if (blink::Platform::current()->sandboxSupport())
         blink::Platform::current()->sandboxSupport()->getFallbackFontForCharacter(c, preferredLocale, &webFallbackFont);
-    } else {
+    else
         blink::WebFontInfo::fallbackFontForChar(c, preferredLocale, &webFallbackFont);
-    }
     fallbackFont->name = String::fromUTF8(CString(webFallbackFont.name));
     fallbackFont->filename = webFallbackFont.filename;
+    fallbackFont->fontconfigInterfaceId = webFallbackFont.fontconfigInterfaceId;
     fallbackFont->ttcIndex = webFallbackFont.ttcIndex;
     fallbackFont->isBold = webFallbackFont.isBold;
     fallbackFont->isItalic = webFallbackFont.isItalic;
 }
 
 }