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diff --git a/Source/WebCore/rendering/RenderThemeChromiumFontProvider.cpp b/Source/WebCore/rendering/RenderThemeChromiumFontProvider.cpp
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+++ b/Source/WebCore/rendering/RenderThemeChromiumFontProvider.cpp
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+/*
+ * Copyright (C) 2012 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:
+ * 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
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "RenderThemeChromiumFontProvider.h"
+
+#include <wtf/StdLibExtras.h>
+#include <wtf/text/WTFString.h>
+
+namespace WebCore {
+
+// The default variable-width font size. We use this as the default font
+// size for the "system font", and as a base size (which we then shrink) for
+// form control fonts.
+// static
+float RenderThemeChromiumFontProvider::s_defaultFontSize = 16.0;
+
+// We aim to match IE here.
+// -IE uses a font based on the encoding as the default font for form controls.
+// -Gecko uses MS Shell Dlg (actually calls GetStockObject(DEFAULT_GUI_FONT),
+// which returns MS Shell Dlg)
+// -Safari uses Lucida Grande.
+//
+// FIXME: The only case where we know we don't match IE is for ANSI encodings.
+// IE uses MS Shell Dlg there, which we render incorrectly at certain pixel
+// sizes (e.g. 15px). So, for now we just use Arial.
+const String& RenderThemeChromiumFontProvider::defaultGUIFont()
+{
+    DEFINE_STATIC_LOCAL(String, fontFace, (ASCIILiteral("Arial")));
+    return fontFace;
+}
+
+} // namespace WebCore