Fix name/path separator for telemetry_unittests test names.

scripts/slave/recipe_modules/json/util.py

Index: scripts/slave/recipe_modules/json/util.py
diff --git a/scripts/slave/recipe_modules/json/util.py b/scripts/slave/recipe_modules/json/util.py
index 1e394348f9a923a2af30f7ca425eead2eac000d1..a6273336231857a7e1107b33260bce2b086e062d 100644
--- a/scripts/slave/recipe_modules/json/util.py
+++ b/scripts/slave/recipe_modules/json/util.py
@@ -1,26 +1,28 @@
-def convert_trie_to_flat_paths(trie, prefix=None):
+def convert_trie_to_flat_paths(trie, prefix, sep):
   # Cloned from webkitpy.layout_tests.layout_package.json_results_generator
   # so that this code can stand alone.
   result = {}
   for name, data in trie.iteritems():
     if prefix:
-      name = prefix + "/" + name
+      name = prefix + sep + name
 
     if len(data) and not "actual" in data and not "expected" in data:
-      result.update(convert_trie_to_flat_paths(data, name))
+      result.update(convert_trie_to_flat_paths(data, name, sep))
     else:
       result[name] = data
 
   return result
 
 
-# TODO(phajdan.jr): Rename to LayoutTestResults.
 class TestResults(object):
   def __init__(self, jsonish=None):
     self.raw = jsonish or {}
     self.valid = (jsonish is not None)
 
-    self.tests = convert_trie_to_flat_paths(self.raw.get('tests', {}))
+    tests = self.raw.get('tests', {})
+    sep = self.raw.get('path_delimiter', '/')
+    self.tests = convert_trie_to_flat_paths(tests, prefix=None, sep=sep)
+
     self.passes = {}
     self.unexpected_passes = {}
     self.failures = {}