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diff --git a/WebCore/platform/graphics/pango/FontPlatformDataPango.cpp b/WebCore/platform/graphics/pango/FontPlatformDataPango.cpp
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+++ b/WebCore/platform/graphics/pango/FontPlatformDataPango.cpp
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+/*
+ * Copyright (C) 2006 Apple Computer, Inc.
+ * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
+ * Copyright (C) 2007, 2008 Alp Toker <alp@atoker.com>
+ * Copyright (C) 2007 Holger Hans Peter Freyther
+ * Copyright (C) 2007 Pioneer Research Center USA, Inc.
+ * Copyright (C) 2009 Igalia S.L.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#include "config.h"
+#include "FontPlatformData.h"
+
+#include "PlatformString.h"
+#include "FontDescription.h"
+#include <wtf/text/CString.h>
+#include <cairo.h>
+#include <assert.h>
+
+#include <pango/pango.h>
+#include <pango/pangocairo.h>
+
+// Use cairo-ft i a recent enough Pango version isn't available
+#if !PANGO_VERSION_CHECK(1,18,0)
+#include <cairo-ft.h>
+#include <pango/pangofc-fontmap.h>
+#endif
+
+namespace WebCore {
+
+PangoFontMap* FontPlatformData::m_fontMap = 0;
+GHashTable* FontPlatformData::m_hashTable = 0;
+
+FontPlatformData::FontPlatformData(const FontDescription& fontDescription, const AtomicString& familyName)
+    : m_context(0)
+    , m_font(0)
+    , m_size(fontDescription.computedSize())
+    , m_syntheticBold(false)
+    , m_syntheticOblique(false)
+    , m_scaledFont(0)
+{
+    FontPlatformData::init();
+
+    CString stored_family = familyName.string().utf8();
+    char const* families[] = {
+      stored_family.data(),
+      NULL
+    };
+
+    switch (fontDescription.genericFamily()) {
+    case FontDescription::SerifFamily:
+        families[1] = "serif";
+        break;
+    case FontDescription::SansSerifFamily:
+        families[1] = "sans";
+        break;
+    case FontDescription::MonospaceFamily:
+        families[1] = "monospace";
+        break;
+    case FontDescription::NoFamily:
+    case FontDescription::StandardFamily:
+    default:
+        families[1] = "sans";
+        break;
+    }
+
+    PangoFontDescription* description = pango_font_description_new();
+    pango_font_description_set_absolute_size(description, fontDescription.computedSize() * PANGO_SCALE);
+
+    // FIXME: Map all FontWeight values to Pango font weights.
+    if (fontDescription.weight() >= FontWeight600)
+        pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
+    if (fontDescription.italic())
+        pango_font_description_set_style(description, PANGO_STYLE_ITALIC);
+
+#if PANGO_VERSION_CHECK(1,21,5)   // deprecated in 1.21
+    m_context = pango_font_map_create_context(m_fontMap);
+#else
+    m_context = pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(m_fontMap));
+#endif
+    for (unsigned int i = 0; !m_font && i < G_N_ELEMENTS(families); i++) {
+        pango_font_description_set_family(description, families[i]);
+        pango_context_set_font_description(m_context, description);
+        m_font = pango_font_map_load_font(m_fontMap, m_context, description);
+    }
+
+#if PANGO_VERSION_CHECK(1,18,0)
+    if (m_font)
+        m_scaledFont = cairo_scaled_font_reference(pango_cairo_font_get_scaled_font(PANGO_CAIRO_FONT(m_font)));
+#else
+    // This compatibility code for older versions of Pango is not well-tested.
+    if (m_font) {
+        PangoFcFont* fcfont = PANGO_FC_FONT(m_font);
+        cairo_font_face_t* face = cairo_ft_font_face_create_for_pattern(fcfont->font_pattern);
+        double size;
+        if (FcPatternGetDouble(fcfont->font_pattern, FC_PIXEL_SIZE, 0, &size) != FcResultMatch)
+            size = 12.0;
+        cairo_matrix_t fontMatrix;
+        cairo_matrix_init_scale(&fontMatrix, size, size);
+        cairo_font_options_t* fontOptions;
+        if (pango_cairo_context_get_font_options(m_context))
+            fontOptions = cairo_font_options_copy(pango_cairo_context_get_font_options(m_context));
+        else
+            fontOptions = cairo_font_options_create();
+        cairo_matrix_t ctm;
+        cairo_matrix_init_identity(&ctm);
+        m_scaledFont = cairo_scaled_font_create(face, &fontMatrix, &ctm, fontOptions);
+        cairo_font_options_destroy(fontOptions);
+        cairo_font_face_destroy(face);
+    }
+#endif
+    pango_font_description_free(description);
+}
+
+FontPlatformData::FontPlatformData(float size, bool bold, bool italic)
+    : m_context(0)
+    , m_font(0)
+    , m_size(size)
+    , m_syntheticBold(bold)
+    , m_syntheticOblique(italic)
+    , m_scaledFont(0)
+{
+}
+
+FontPlatformData::FontPlatformData(cairo_font_face_t* fontFace, float size, bool bold, bool italic)
+    : m_context(0)
+    , m_font(0)
+    , m_size(size)
+    , m_syntheticBold(bold)
+    , m_syntheticOblique(italic)
+    , m_scaledFont(0)
+{
+    cairo_matrix_t fontMatrix;
+    cairo_matrix_init_scale(&fontMatrix, size, size);
+    cairo_matrix_t ctm;
+    cairo_matrix_init_identity(&ctm);
+    cairo_font_options_t* options = cairo_font_options_create();
+
+    // We force antialiasing and disable hinting to provide consistent
+    // typographic qualities for custom fonts on all platforms.
+    cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
+    cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
+
+    m_scaledFont = cairo_scaled_font_create(fontFace, &fontMatrix, &ctm, options);
+    cairo_font_options_destroy(options);
+}
+
+bool FontPlatformData::init()
+{
+    static bool initialized = false;
+    if (initialized)
+        return true;
+    initialized = true;
+
+    if (!m_fontMap)
+        m_fontMap = pango_cairo_font_map_get_default();
+    if (!m_hashTable) {
+        PangoFontFamily** families = 0;
+        int n_families = 0;
+
+        m_hashTable = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
+
+        pango_font_map_list_families(m_fontMap, &families, &n_families);
+
+        for (int family = 0; family < n_families; family++)
+                g_hash_table_insert(m_hashTable,
+                                    g_strdup(pango_font_family_get_name(families[family])),
+                                    g_object_ref(families[family]));
+
+        g_free(families);
+    }
+
+    return true;
+}
+
+FontPlatformData::~FontPlatformData()
+{
+    if (m_font && m_font != reinterpret_cast<PangoFont*>(-1)) {
+        g_object_unref(m_font);
+        m_font = 0;
+    }
+
+    if (m_context) {
+        g_object_unref(m_context);
+        m_context = 0;
+    }
+
+    if (m_scaledFont) {
+        cairo_scaled_font_destroy(m_scaledFont);
+        m_scaledFont = 0;
+    }
+}
+
+bool FontPlatformData::isFixedPitch()
+{
+    PangoFontDescription* description = pango_font_describe_with_absolute_size(m_font);
+    PangoFontFamily* family = reinterpret_cast<PangoFontFamily*>(g_hash_table_lookup(m_hashTable, pango_font_description_get_family(description)));
+    pango_font_description_free(description);
+    return pango_font_family_is_monospace(family);
+}
+
+FontPlatformData& FontPlatformData::operator=(const FontPlatformData& other)
+{
+    // Check for self-assignment.
+    if (this == &other)
+        return *this;
+
+    m_size = other.m_size;
+    m_syntheticBold = other.m_syntheticBold;
+    m_syntheticOblique = other.m_syntheticOblique;
+
+    if (other.m_scaledFont)
+        cairo_scaled_font_reference(other.m_scaledFont);
+    if (m_scaledFont)
+        cairo_scaled_font_destroy(m_scaledFont);
+    m_scaledFont = other.m_scaledFont;
+
+    if (other.m_font)
+        g_object_ref(other.m_font);
+    if (m_font)
+        g_object_unref(m_font);
+    m_font = other.m_font;
+
+    if (other.m_context)
+        g_object_ref(other.m_context);
+    if (m_context)
+        g_object_unref(m_context);
+    m_context = other.m_context;
+
+    return *this;
+}
+
+FontPlatformData::FontPlatformData(const FontPlatformData& other)
+    : m_context(0)
+    , m_font(0)
+    , m_scaledFont(0)
+{
+    *this = other;
+}
+
+bool FontPlatformData::operator==(const FontPlatformData& other) const
+{
+    if (m_font == other.m_font)
+        return true;
+    if (m_font == 0 || m_font == reinterpret_cast<PangoFont*>(-1)
+        || other.m_font == 0 || other.m_font == reinterpret_cast<PangoFont*>(-1))
+        return false;
+    PangoFontDescription* thisDesc = pango_font_describe(m_font);
+    PangoFontDescription* otherDesc = pango_font_describe(other.m_font);
+    bool result = pango_font_description_equal(thisDesc, otherDesc);
+    pango_font_description_free(otherDesc);
+    pango_font_description_free(thisDesc);
+    return result;
+}
+
+#ifndef NDEBUG
+String FontPlatformData::description() const
+{
+    return String();
+}
+#endif
+
+}