Options2: Pull the trigger.

chrome/browser/ui/webui/options2/font_settings_utils_mac.mm

+// Copyright (c) 2011 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.
+
+#include "chrome/browser/ui/webui/options2/font_settings_utils.h"
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/mac/scoped_nsautorelease_pool.h"
+#include "base/sys_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/common/pref_names.h"
+
+static void ValidateFontFamily(PrefService* prefs,
+                               const char* family_pref_name) {
+  // The native font settings dialog saved fonts by the font name, rather
+  // than the family name.  This worked for the old dialog since
+  // -[NSFont fontWithName:size] accepted a font or family name, but the
+  // behavior was technically wrong.  Since we really need the family name for
+  // the dom-ui options window, we will fix the saved preference if necessary.
+  NSString *family_name =
+      base::SysUTF8ToNSString(prefs->GetString(family_pref_name));
+  NSFont *font = [NSFont fontWithName:family_name
+                                 size:[NSFont systemFontSize]];
+  if (font &&
+      [[font familyName] caseInsensitiveCompare:family_name] != NSOrderedSame) {
+    std::string new_family_name = base::SysNSStringToUTF8([font familyName]);
+    prefs->SetString(family_pref_name, new_family_name);
+  }
+}
+
+// static
+void FontSettingsUtilities::ValidateSavedFonts(PrefService* prefs) {
+  ValidateFontFamily(prefs, prefs::kWebKitSerifFontFamily);
+  ValidateFontFamily(prefs, prefs::kWebKitSansSerifFontFamily);
+  ValidateFontFamily(prefs, prefs::kWebKitFixedFontFamily);
+}