Continue with the FreeBSD port - this version builds and links, though...

chrome/browser/shell_integration.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_SHELL_INTEGRATION_H__
 #define CHROME_BROWSER_SHELL_INTEGRATION_H__
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 23 matching lines @@
   // Attempt to determine if this instance of Chrome is the default browser and
   // return the appropriate state. (Defined as being the handler for HTTP/HTTPS
   // protocols; we don't want to report "no" here if the user has simply chosen
   // to open HTML files in a text editor and FTP links with an FTP client.)
   static DefaultBrowserState IsDefaultBrowser();
 
   // Returns true if Firefox is likely to be the default browser for the current
   // user. This method is very fast so it can be invoked in the UI thread.
   static bool IsFirefoxDefaultBrowser();
 
-#if defined(OS_LINUX)
+#if defined(USE_X11)
   // Returns filename for .desktop file based on |url|, sanitized for security.
   static FilePath GetDesktopShortcutFilename(const GURL& url);
 
   // Returns contents for .desktop file based on |template_contents|, |url|
   // and |title|. The |template_contents| should be contents of .desktop file
   // used to launch Chrome.
   static std::string GetDesktopFileContents(
       const std::string& template_contents, const GURL& url,
       const string16& title);
 
   struct ShortcutInfo {
     GURL url;
     string16 title;
 
     bool create_on_desktop;
     bool create_in_applications_menu;
   };
 
   // Creates a desktop shortcut. It is not guaranteed to exist immediately after
   // returning from this function, because actual file operation is done on the
   // file thread.
   static void CreateDesktopShortcut(const ShortcutInfo& shortcut_info);
-#endif  // defined(OS_LINUX)
+#endif  // defined(USE_X11)
 
   // The current default browser UI state
   enum DefaultBrowserUIState {
     STATE_PROCESSING,
     STATE_NOT_DEFAULT,
     STATE_IS_DEFAULT,
     STATE_UNKNOWN
   };
 
   class DefaultBrowserObserver {
@@ skipping 44 matching lines @@
     DefaultBrowserObserver* observer_;
 
     MessageLoop* ui_loop_;
     MessageLoop* file_loop_;
 
     DISALLOW_COPY_AND_ASSIGN(DefaultBrowserWorker);
   };
 };
 
 #endif  // CHROME_BROWSER_SHELL_INTEGRATION_H__