Move code for old, deprecated Options UI to only ChromeOS

chrome/browser/ui/webui/settings_utils_mac.mm

 // Copyright 2016 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/webui/settings_utils.h"
 
 #include "base/logging.h"
 #include "base/mac/mac_logging.h"
 #include "base/mac/scoped_aedesc.h"
+#include "base/mac/scoped_nsautorelease_pool.h"
+#include "base/strings/sys_string_conversions.h"
+#include "chrome/common/pref_names.h"
+#include "components/prefs/pref_service.h"
+
+namespace {
+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 webui settings 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);
+  }
+}
+}  // namespace
 
 namespace settings_utils {
 
 void ShowNetworkProxySettings(content::WebContents* web_contents) {
   NSArray* itemsToOpen = [NSArray arrayWithObject:[NSURL fileURLWithPath:
       @"/System/Library/PreferencePanes/Network.prefPane"]];
 
   const char* proxyPrefCommand = "Proxies";
   base::mac::ScopedAEDesc<> openParams;
   OSStatus status = AECreateDesc('ptru',
@@ skipping 12 matching lines @@
 
 void ShowManageSSLCertificates(content::WebContents* web_contents) {
   NSString* const kKeychainBundleId = @"com.apple.keychainaccess";
   [[NSWorkspace sharedWorkspace]
    launchAppWithBundleIdentifier:kKeychainBundleId
    options:0L
    additionalEventParamDescriptor:nil
    launchIdentifier:nil];
 }
 
+void ValidateSavedFonts(PrefService* prefs) {
+  ValidateFontFamily(prefs, prefs::kWebKitSerifFontFamily);
+  ValidateFontFamily(prefs, prefs::kWebKitSansSerifFontFamily);
+  ValidateFontFamily(prefs, prefs::kWebKitFixedFontFamily);
+}
+
 }  // namespace settings_utils