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diff --git a/chromium/third_party/WebKit/Source/core/css/RemoteFontFaceSource.h b/chromium/third_party/WebKit/Source/core/css/RemoteFontFaceSource.h
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index 00000000000..f7d84ee5a36
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+++ b/chromium/third_party/WebKit/Source/core/css/RemoteFontFaceSource.h
@@ -0,0 +1,70 @@
+// 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"
+
+namespace WebCore {
+
+class FontLoader;
+
+class RemoteFontFaceSource : public CSSFontFaceSource, public FontResourceClient {
+public:
+    explicit RemoteFontFaceSource(FontResource*, PassRefPtrWillBeRawPtr<FontLoader>);
+    virtual ~RemoteFontFaceSource();
+
+    virtual FontResource* resource() OVERRIDE { return m_font.get(); }
+    virtual bool isLoading() const OVERRIDE;
+    virtual bool isLoaded() const OVERRIDE;
+    virtual bool isValid() const OVERRIDE;
+
+    void beginLoadIfNeeded() OVERRIDE;
+    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;
+
+    // For UMA reporting
+    virtual bool hadBlankText() OVERRIDE { return m_histograms.hadBlankText(); }
+    void paintRequested() { m_histograms.fallbackFontPainted(); }
+
+    virtual void trace(Visitor*) OVERRIDE;
+
+protected:
+    virtual PassRefPtr<SimpleFontData> createFontData(const FontDescription&) OVERRIDE;
+    PassRefPtr<SimpleFontData> createLoadingFallbackFontData(const FontDescription&);
+    void pruneTable();
+
+private:
+    class FontLoadHistograms {
+    public:
+        FontLoadHistograms() : m_loadStartTime(0), m_fallbackPaintTime(0) { }
+        void loadStarted();
+        void fallbackFontPainted();
+        void recordRemoteFont(const FontResource*);
+        void recordFallbackTime(const FontResource*);
+        bool hadBlankText() { return m_fallbackPaintTime; }
+    private:
+        const char* histogramName(const FontResource*);
+        double m_loadStartTime;
+        double m_fallbackPaintTime;
+    };
+
+    ResourcePtr<FontResource> m_font;
+    RefPtrWillBeMember<FontLoader> m_fontLoader;
+    FontLoadHistograms m_histograms;
+};
+
+} // namespace WebCore
+
+#endif