Split options page code/html into its own set of files

tools/grit/grit/format/html_inline.py

 #!/usr/bin/python
 # 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.
 
 """Flattens a HTML file by inlining its external resources.
 
 This is a small script that takes a HTML file, looks for src attributes
 and inlines the specified file, producing one HTML file with no external
 dependencies.
@@ skipping 89 matching lines @@
     filename = filename.replace('%DISTRIBUTION%', distribution)
     return os.path.join(input_filepath, filename)
 
   def InlineFileContents(src_match, pattern):
     """Helper function to inline external script and css files"""
     filepath = GetFilepath(src_match)
     if filepath is None:
       return src_match.group(0)
     return pattern % ReadFile(filepath)
 
+  def InlineIncludeFiles(src_match):
+    """Helper function to inline external script files"""
+    return InlineFileContents(src_match, '%s')
+
   def InlineScript(src_match):
     """Helper function to inline external script files"""
     return InlineFileContents(src_match, '<script>%s</script>')
 
   def InlineCssText(text, css_filepath):
     """Helper function that inlines external resources in CSS text"""
     filepath = os.path.dirname(css_filepath)
     return InlineCssBackgroundImages(text, filepath)
 
   def InlineCssFile(src_match):
@@ skipping 25 matching lines @@
   # references gets inlined in the css and js
   flat_text = re.sub('<script .*?src="(?P<filename>[^"\']*)".*?></script>',
                      InlineScript,
                      ReadFile(input_filename))
 
   flat_text = re.sub(
       '<link rel="stylesheet".+?href="(?P<filename>[^"\']*)".*?>',
       InlineCssFile,
       flat_text)
 
+  flat_text = re.sub(
+      '<!--\s*include\s+file="(?P<filename>[^"\']*)".*-->',
+      InlineIncludeFiles,
+      flat_text)
+
   # TODO(glen): Make this regex not match src="" text that is not inside a tag
   flat_text = re.sub('src="(?P<filename>[^"\']*)"',
                      SrcReplace,
                      flat_text)
 
   # TODO(arv): Only do this inside <style> tags.
   flat_text = InlineCssBackgroundImages(flat_text)
 
   flat_text = re.sub('<link rel="icon".+?href="(?P<filename>[^"\']*)"',
                      SrcReplace,
                      flat_text)
 
   out_file = open(output_filename, 'wb')
   out_file.writelines(flat_text)
   out_file.close()
 
 def main():
   if len(sys.argv) <= 2:
     print "Flattens a HTML file by inlining its external resources.\n"
     print "html_inline.py inputfile outputfile"
   else:
     InlineFile(sys.argv[1], sys.argv[2])
 
 if __name__ == '__main__':
   main()