Rendering text to a canvas in a frame-less document.

third_party/WebKit/Source/core/css/CSSFontSelector.cpp

 /*
  * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
  *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * 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
@@ skipping 26 matching lines @@
 #include "core/loader/FrameLoader.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/SimpleFontData.h"
 #include "wtf/text/AtomicString.h"
 
 namespace blink {
 
 CSSFontSelector::CSSFontSelector(Document* document)
     : m_document(document)
-    , m_genericFontFamilySettings(document->frame()->settings()->genericFontFamilySettings())
+    , m_genericFontFamilySettings(document->settings()->genericFontFamilySettings())
 {
     // FIXME: An old comment used to say there was no need to hold a reference to m_document
     // because "we are guaranteed to be destroyed before the document". But there does not
     // seem to be any such guarantee.
 
     ASSERT(m_document);
-    ASSERT(m_document->frame());
     FontCache::fontCache()->addClient(this);
     FontFaceSet::from(*document)->addFontFacesToFontFaceCache(&m_fontFaceCache, this);
 }
 
 CSSFontSelector::~CSSFontSelector()
 {
 }
 
 void CSSFontSelector::registerForInvalidationCallbacks(CSSFontSelectorClient* client)
 {
@@ skipping 100 matching lines @@
 
 DEFINE_TRACE(CSSFontSelector)
 {
     visitor->trace(m_document);
     visitor->trace(m_fontFaceCache);
     visitor->trace(m_clients);
     FontSelector::trace(visitor);
 }
 
 } // namespace blink