Explictly setting story names for rasterize_and_record_micro story sets

tools/perf/page_sets/polymer.py

Index: tools/perf/page_sets/polymer.py
diff --git a/tools/perf/page_sets/polymer.py b/tools/perf/page_sets/polymer.py
index 47665aa9fbc6eb24e28e3a84802fe22c8c2d5743..bb8b998fbb90b4b7e0a54de9b8f49d4739e6d489 100644
--- a/tools/perf/page_sets/polymer.py
+++ b/tools/perf/page_sets/polymer.py
@@ -19,7 +19,8 @@ class PolymerPage(page_module.Page):
     super(PolymerPage, self).__init__(
       url=url,
       shared_page_state_class=shared_page_state.SharedMobilePageState,
-      page_set=page_set)
+      page_set=page_set,
+      name=url)
     self.script_to_evaluate_on_commit = '''
       document.addEventListener("polymer-ready", function() {
         window.__polymer_ready = true;
@@ -223,7 +224,8 @@ class PolymerPageSet(story.StorySet):
   def __init__(self, run_no_page_interactions=False):
     super(PolymerPageSet, self).__init__(
       archive_data_file='data/polymer.json',
-      cloud_storage_bucket=story.PUBLIC_BUCKET)
+      cloud_storage_bucket=story.PUBLIC_BUCKET,
+      verify_names=True)
 
     self.AddStory(PolymerCalculatorPage(self, run_no_page_interactions))
     self.AddStory(PolymerShadowPage(self, run_no_page_interactions))