Webfont CORS-enabled fetching with fallback

Source/core/css/RemoteFontFaceSource.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef RemoteFontFaceSource_h
 #define RemoteFontFaceSource_h
 
 #include "core/css/CSSFontFaceSource.h"
 #include "core/fetch/FontResource.h"
 #include "core/fetch/ResourcePtr.h"
@@ skipping 13 matching lines @@
     void beginLoadIfNeeded();
     virtual bool ensureFontData();
 
 #if ENABLE(SVG_FONTS)
     virtual bool isSVGFontFaceSource() const { return false; }
 #endif
 
     virtual void didStartFontLoad(FontResource*) OVERRIDE;
     virtual void fontLoaded(FontResource*) OVERRIDE;
     virtual void fontLoadWaitLimitExceeded(FontResource*) OVERRIDE;
+    virtual void corsFailed(FontResource*) OVERRIDE;
 
     // For UMA reporting
     virtual bool hadBlankText() OVERRIDE { return m_histograms.hadBlankText(); }
     void paintRequested() { m_histograms.fallbackFontPainted(); }
 
 protected:
     virtual PassRefPtr<SimpleFontData> createFontData(const FontDescription&) OVERRIDE;
     PassRefPtr<SimpleFontData> createLoadingFallbackFontData(const FontDescription&);
     void pruneTable();
 
@@ skipping 12 matching lines @@
         double m_fallbackPaintTime;
     };
 
     ResourcePtr<FontResource> m_font;
     FontLoadHistograms m_histograms;
 };
 
 } // namespace WebCore
 
 #endif