Invalidate shape cache when accept languages change

third_party/WebKit/Source/platform/fonts/FontCache.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  *
  * 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.
@@ skipping 242 matching lines @@
   RefPtr<OpenTypeVerticalData> verticalData =
       OpenTypeVerticalData::create(platformData);
   if (!verticalData->isOpenType())
     verticalData.clear();
   fontVerticalDataCache.set(key, verticalData);
   return verticalData;
 }
 
 void FontCache::acceptLanguagesChanged(const String& acceptLanguages) {
   AcceptLanguagesResolver::acceptLanguagesChanged(acceptLanguages);
+  fontCache()->invalidateShapeCache();
 }
 
 static FontDataCache* gFontDataCache = 0;
 
 PassRefPtr<SimpleFontData> FontCache::getFontData(
     const FontDescription& fontDescription,
     const AtomicString& family,
     bool checkingAlternateName,
     ShouldRetain shouldRetain) {
   if (FontPlatformData* platformData = getFontPlatformData(
@@ skipping 211 matching lines @@
   for (iter = gFallbackListShaperCache->begin();
        iter != gFallbackListShaperCache->end(); ++iter) {
     shapeResultCacheSize += iter->value->byteSize();
   }
   dump->AddScalar("size", "bytes", shapeResultCacheSize);
   memoryDump->AddSuballocation(dump->guid(),
                                WTF::Partitions::kAllocatedObjectPoolName);
 }
 
 }  // namespace blink