Reland: WTF: Implement explicit RefPtr::operator bool.

third_party/WebKit/Source/platform/fonts/SimpleFontData.h

 /*
  * This file is part of the internal font implementation.
  *
  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 93 matching lines @@
 
     Glyph spaceGlyph() const { return m_spaceGlyph; }
     void setSpaceGlyph(Glyph spaceGlyph) { m_spaceGlyph = spaceGlyph; }
     Glyph zeroGlyph() const { return m_zeroGlyph; }
     void setZeroGlyph(Glyph zeroGlyph) { m_zeroGlyph = zeroGlyph; }
 
     const SimpleFontData* fontDataForCharacter(UChar32) const override;
 
     Glyph glyphForCharacter(UChar32) const;
 
-    bool isCustomFont() const override { return m_customFontData; }
+    bool isCustomFont() const override { return m_customFontData.get(); }
     bool isLoading() const override { return m_customFontData ? m_customFontData->isLoading() : false; }
     bool isLoadingFallback() const override { return m_customFontData ? m_customFontData->isLoadingFallback() : false; }
     bool isSegmented() const override;
     bool shouldSkipDrawing() const override { return m_customFontData && m_customFontData->shouldSkipDrawing(); }
 
     const GlyphData& missingGlyphData() const { return m_missingGlyphData; }
     void setMissingGlyphData(const GlyphData& glyphData) { m_missingGlyphData = glyphData; }
 
     bool canRenderCombiningCharacterSequence(const UChar*, size_t) const;
 
@@ skipping 82 matching lines @@
     width = platformWidthForGlyph(glyph);
 
     m_glyphToWidthMap.setMetricsForGlyph(glyph, width);
     return width;
 }
 
 DEFINE_FONT_DATA_TYPE_CASTS(SimpleFontData, false);
 
 } // namespace blink
 #endif // SimpleFontData_h