refactor: rename the atom directory to shell
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Samuel Attard
Samuel Attard
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182
shell/browser/font_defaults.cc
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182
shell/browser/font_defaults.cc
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// Copyright (c) 2018 Slack Technologies, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/font_defaults.h"
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#include <string>
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#include <unordered_map>
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#include "base/stl_util.h"
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#include "base/strings/stringprintf.h"
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#include "base/strings/utf_string_conversions.h"
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#include "chrome/common/pref_names.h"
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#include "chrome/grit/platform_locale_settings.h"
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#include "content/public/common/web_preferences.h"
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#include "ui/base/l10n/l10n_util.h"
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namespace {
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// The following list of font defaults was copied from
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// https://chromium.googlesource.com/chromium/src/+/69.0.3497.106/chrome/browser/ui/prefs/prefs_tab_helper.cc#152
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//
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// The only updates that should be made to this list are copying updates that
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// were made in Chromium.
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//
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// vvvvv DO NOT EDIT vvvvv
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struct FontDefault {
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const char* pref_name;
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int resource_id;
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};
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// Font pref defaults. The prefs that have defaults vary by platform, since not
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// all platforms have fonts for all scripts for all generic families.
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// TODO(falken): add proper defaults when possible for all
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// platforms/scripts/generic families.
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const FontDefault kFontDefaults[] = {
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{prefs::kWebKitStandardFontFamily, IDS_STANDARD_FONT_FAMILY},
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{prefs::kWebKitFixedFontFamily, IDS_FIXED_FONT_FAMILY},
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{prefs::kWebKitSerifFontFamily, IDS_SERIF_FONT_FAMILY},
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{prefs::kWebKitSansSerifFontFamily, IDS_SANS_SERIF_FONT_FAMILY},
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{prefs::kWebKitCursiveFontFamily, IDS_CURSIVE_FONT_FAMILY},
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{prefs::kWebKitFantasyFontFamily, IDS_FANTASY_FONT_FAMILY},
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{prefs::kWebKitPictographFontFamily, IDS_PICTOGRAPH_FONT_FAMILY},
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#if defined(OS_CHROMEOS) || defined(OS_MACOSX) || defined(OS_WIN)
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{prefs::kWebKitStandardFontFamilyJapanese,
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IDS_STANDARD_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitFixedFontFamilyJapanese, IDS_FIXED_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitSerifFontFamilyJapanese, IDS_SERIF_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitSansSerifFontFamilyJapanese,
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IDS_SANS_SERIF_FONT_FAMILY_JAPANESE},
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{prefs::kWebKitStandardFontFamilyKorean, IDS_STANDARD_FONT_FAMILY_KOREAN},
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{prefs::kWebKitSerifFontFamilyKorean, IDS_SERIF_FONT_FAMILY_KOREAN},
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{prefs::kWebKitSansSerifFontFamilyKorean,
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IDS_SANS_SERIF_FONT_FAMILY_KOREAN},
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{prefs::kWebKitStandardFontFamilySimplifiedHan,
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IDS_STANDARD_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitSerifFontFamilySimplifiedHan,
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IDS_SERIF_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitSansSerifFontFamilySimplifiedHan,
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IDS_SANS_SERIF_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitStandardFontFamilyTraditionalHan,
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IDS_STANDARD_FONT_FAMILY_TRADITIONAL_HAN},
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{prefs::kWebKitSerifFontFamilyTraditionalHan,
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IDS_SERIF_FONT_FAMILY_TRADITIONAL_HAN},
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{prefs::kWebKitSansSerifFontFamilyTraditionalHan,
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IDS_SANS_SERIF_FONT_FAMILY_TRADITIONAL_HAN},
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#endif
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#if defined(OS_MACOSX) || defined(OS_WIN)
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{prefs::kWebKitCursiveFontFamilySimplifiedHan,
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IDS_CURSIVE_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitCursiveFontFamilyTraditionalHan,
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IDS_CURSIVE_FONT_FAMILY_TRADITIONAL_HAN},
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#endif
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#if defined(OS_CHROMEOS)
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{prefs::kWebKitStandardFontFamilyArabic, IDS_STANDARD_FONT_FAMILY_ARABIC},
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{prefs::kWebKitSerifFontFamilyArabic, IDS_SERIF_FONT_FAMILY_ARABIC},
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{prefs::kWebKitSansSerifFontFamilyArabic,
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IDS_SANS_SERIF_FONT_FAMILY_ARABIC},
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{prefs::kWebKitFixedFontFamilyKorean, IDS_FIXED_FONT_FAMILY_KOREAN},
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{prefs::kWebKitFixedFontFamilySimplifiedHan,
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IDS_FIXED_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitFixedFontFamilyTraditionalHan,
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IDS_FIXED_FONT_FAMILY_TRADITIONAL_HAN},
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#elif defined(OS_WIN)
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{prefs::kWebKitFixedFontFamilyArabic, IDS_FIXED_FONT_FAMILY_ARABIC},
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{prefs::kWebKitSansSerifFontFamilyArabic,
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IDS_SANS_SERIF_FONT_FAMILY_ARABIC},
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{prefs::kWebKitStandardFontFamilyCyrillic,
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IDS_STANDARD_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitFixedFontFamilyCyrillic, IDS_FIXED_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitSerifFontFamilyCyrillic, IDS_SERIF_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitSansSerifFontFamilyCyrillic,
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IDS_SANS_SERIF_FONT_FAMILY_CYRILLIC},
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{prefs::kWebKitStandardFontFamilyGreek, IDS_STANDARD_FONT_FAMILY_GREEK},
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{prefs::kWebKitFixedFontFamilyGreek, IDS_FIXED_FONT_FAMILY_GREEK},
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{prefs::kWebKitSerifFontFamilyGreek, IDS_SERIF_FONT_FAMILY_GREEK},
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{prefs::kWebKitSansSerifFontFamilyGreek, IDS_SANS_SERIF_FONT_FAMILY_GREEK},
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{prefs::kWebKitFixedFontFamilyKorean, IDS_FIXED_FONT_FAMILY_KOREAN},
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{prefs::kWebKitCursiveFontFamilyKorean, IDS_CURSIVE_FONT_FAMILY_KOREAN},
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{prefs::kWebKitFixedFontFamilySimplifiedHan,
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IDS_FIXED_FONT_FAMILY_SIMPLIFIED_HAN},
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{prefs::kWebKitFixedFontFamilyTraditionalHan,
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IDS_FIXED_FONT_FAMILY_TRADITIONAL_HAN},
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#endif
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};
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const size_t kFontDefaultsLength = base::size(kFontDefaults);
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// ^^^^^ DO NOT EDIT ^^^^^
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std::string GetDefaultFontForPref(const char* pref_name) {
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for (size_t i = 0; i < kFontDefaultsLength; ++i) {
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FontDefault pref = kFontDefaults[i];
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if (strcmp(pref.pref_name, pref_name) == 0) {
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return l10n_util::GetStringUTF8(pref.resource_id);
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}
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}
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return std::string();
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}
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// Map from script to font.
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// Key comparison uses pointer equality.
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using ScriptFontMap = std::unordered_map<const char*, base::string16>;
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// Map from font family to ScriptFontMap.
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// Key comparison uses pointer equality.
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using FontFamilyMap = std::unordered_map<const char*, ScriptFontMap>;
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// A lookup table mapping (font-family, script) -> font-name
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// e.g. ("sans-serif", "Zyyy") -> "Arial"
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FontFamilyMap g_font_cache;
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base::string16 FetchFont(const char* script, const char* map_name) {
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FontFamilyMap::const_iterator it = g_font_cache.find(map_name);
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if (it != g_font_cache.end()) {
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ScriptFontMap::const_iterator it2 = it->second.find(script);
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if (it2 != it->second.end())
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return it2->second;
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}
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std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
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std::string font = GetDefaultFontForPref(pref_name.c_str());
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base::string16 font16 = base::UTF8ToUTF16(font);
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ScriptFontMap& map = g_font_cache[map_name];
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map[script] = font16;
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return font16;
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}
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void FillFontFamilyMap(const char* map_name,
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content::ScriptFontFamilyMap* map) {
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for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
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const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
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base::string16 result = FetchFont(script, map_name);
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if (!result.empty()) {
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(*map)[script] = result;
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}
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}
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}
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} // namespace
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namespace atom {
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void SetFontDefaults(content::WebPreferences* prefs) {
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FillFontFamilyMap(prefs::kWebKitStandardFontFamilyMap,
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&prefs->standard_font_family_map);
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FillFontFamilyMap(prefs::kWebKitFixedFontFamilyMap,
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&prefs->fixed_font_family_map);
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FillFontFamilyMap(prefs::kWebKitSerifFontFamilyMap,
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&prefs->serif_font_family_map);
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FillFontFamilyMap(prefs::kWebKitSansSerifFontFamilyMap,
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&prefs->sans_serif_font_family_map);
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FillFontFamilyMap(prefs::kWebKitCursiveFontFamilyMap,
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&prefs->cursive_font_family_map);
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FillFontFamilyMap(prefs::kWebKitFantasyFontFamilyMap,
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&prefs->fantasy_font_family_map);
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FillFontFamilyMap(prefs::kWebKitPictographFontFamilyMap,
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&prefs->pictograph_font_family_map);
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}
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} // namespace atom
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