WebUI: Remove handling of cr.exportPath() lines in polymer.py.

cr.exportPath() is no longer used, and therefore does not need to
be handled by polymer.py.

Bug: 1028829
Change-Id: I6113a4f5feb94f8e17217cad279e2cab214c3c20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2025868
Auto-Submit: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736127}

tools/polymer/polymer.py

@@ -357,11 +357,6 @@ def _process_dom_module(js_file, html_file):
 
     line = line.replace(EXPORT_LINE_REGEX, 'export')
 
-    # TODO(crbug.com/1028829): remove this line when cr.exportPath() is removed
-    # from --chrome_pass.
-    if line.startswith('cr.exportPath('):
-      line = ''
-
     if re.match(CR_DEFINE_END_REGEX, line):
       assert cr_define_found, 'Found cr_define_end without cr.define()'
       cr_define_end_line = i