Explictly setting story names for rasterize_and_record_micro story sets

tools/perf/page_sets/key_mobile_sites.py

Index: tools/perf/page_sets/key_mobile_sites.py
diff --git a/tools/perf/page_sets/key_mobile_sites.py b/tools/perf/page_sets/key_mobile_sites.py
index df78a8f821bb7be5e35f44671e8c29a9b2434286..b73a4749be5a845934cf153c7e6400f83d9ebc84 100644
--- a/tools/perf/page_sets/key_mobile_sites.py
+++ b/tools/perf/page_sets/key_mobile_sites.py
@@ -12,6 +12,8 @@ class KeyMobileSitesPage(page_module.Page):
 
   def __init__(self, url, page_set, name='', tags=None,
                action_on_load_complete=False):
+    if name == '':
+      name = url
     super(KeyMobileSitesPage, self).__init__(
         url=url, page_set=page_set, name=name,
         shared_page_state_class=shared_page_state.SharedMobilePageState,
@@ -27,7 +29,8 @@ class KeyMobileSitesPageSet(story.StorySet):
   def __init__(self):
     super(KeyMobileSitesPageSet, self).__init__(
       archive_data_file='data/key_mobile_sites.json',
-      cloud_storage_bucket=story.PARTNER_BUCKET)
+      cloud_storage_bucket=story.PARTNER_BUCKET,
+      verify_names=True)
 
 
     # Add pages with predefined classes that contain custom navigation logic.