Convert dromaeo.cssqueryjquery to use .wprgo format

THis also fix the regex of finding .wpr files in json archives list

Bug: 730036
Change-Id: Iea0d1cd53caa4a45d293940a345dfa9e66737e63
Reviewed-on: https://chromium-review.googlesource.com/596589
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Helen Li <xunjieli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491212}

tools/perf/convert_legacy_wpr_archive

@@ -75,7 +75,7 @@ def upload(page_sets_json_file, bucket):
     count = 0
     with open(page_sets_json_file, 'r+') as json_file:
       content = json_file.read()
-      m = re.findall(r'"(\w*).wprgo"', content)
+      m = re.findall(r'"([a-zA-Z0-9_\.]+).wprgo"', content)
       if not m:
         raise Exception("No .wprgo files to upload in ", page_sets_json_file)
       # get rid of duplicates.
@@ -153,7 +153,7 @@ def main():
                                             py_utils.GetHostOsName())
   with open(page_sets_json_file, 'r+') as json_file:
     content = json_file.read()
-    m = re.findall(r'"(\w*).wpr"', content)
+    m = re.findall(r'"([a-zA-Z0-9_\.]+).wpr"', content)
     if not m:
       raise Exception("No .wpr files found in ", page_sets_json_file)
     # get rid of duplicates.

tools/perf/page_sets/data/dromaeo.cssqueryjquery.json

 {
     "archives": {
         "http://dromaeo.com?cssquery-jquery": {
-            "DEFAULT": "dromaeo.cssqueryjquery_000.wpr"
+            "DEFAULT": "dromaeo.cssqueryjquery_000.wprgo"
         }
     },
     "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating.",

tools/perf/page_sets/data/dromaeo.cssqueryjquery_000.wpr.sha1

-026ae24c308db12914d1b6652fc65d2cfd496dc0
\ No newline at end of file

tools/perf/page_sets/data/dromaeo.cssqueryjquery_000.wprgo.sha1

+4a94eb6c006ddbec049bea88a2ccd10a807486db
\ No newline at end of file