D:\Chromium\src>gn gen out\RedBrowser
D:\Chromium\.gclient_entries missing, .gclient file in parent directory D:\Chromium might not be the file you want to use.gn.py: Could not find gn executable at: ['D:\\Chromium\\src\\buildtools\\win\\gn\\gn.exe', 'D:\\Chromium\\src\\buildtools\\win\\gn.exe']