ASSERT that typeface is set in SimpleFontData::platformInit

Source/core/platform/graphics/skia/SimpleFontDataSkia.cpp

 /*
  * Copyright (c) 2008, 2009, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 47 matching lines @@
         m_maxCharWidth = 0;
         return;
     }
 
     SkPaint paint;
     SkPaint::FontMetrics metrics;
 
     m_platformData.setupPaint(&paint);
     paint.getFontMetrics(&metrics);
     SkTypeface* face = paint.getTypeface();
+    ASSERT(face);
 
     static const uint32_t vdmxTag = SkSetFourByteTag('V', 'D', 'M', 'X');
     int pixelSize = m_platformData.size() + 0.5;
     int vdmxAscent, vdmxDescent;
     bool isVDMXValid = false;
 
     size_t vdmxSize = face->getTableSize(vdmxTag);
     if (vdmxSize && vdmxSize < maxVDMXTableSize) {
         uint8_t* vdmxTable = (uint8_t*) fastMalloc(vdmxSize);
         if (vdmxTable
@@ skipping 205 matching lines @@
     paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
     if (paint.textToGlyphs(&normalizedCharacters[0], normalizedLength * 2, 0)) {
         addResult.iterator->value = true;
         return true;
     }
     return false;
 }
 #endif
 
 } // namespace WebCore