Added in a revision picker with dummy data

dashboard/dashboard/list_tests.py

Index: dashboard/dashboard/list_tests.py
diff --git a/dashboard/dashboard/list_tests.py b/dashboard/dashboard/list_tests.py
index 7dfe3e8d2620acb58075a251c2eb5440274a0aaf..24d44a2b695d69cc23985711d3f4bbe1d4245e31 100644
--- a/dashboard/dashboard/list_tests.py
+++ b/dashboard/dashboard/list_tests.py
@@ -37,6 +37,16 @@ class ListTestsHandler(request_handler.RequestHandler):
       A data structure with test names in JSON format, or nothing.
     """
     self.response.headers.add_header('Access-Control-Allow-Origin', '*')
+    
+    speed_releasing = self.request.get('speed_releasing')
+    if speed_releasing == 'true':
+      tests = {}
+      tests['memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg'] = {}
+      tests['memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg'] = {'has_rows': True, 'sub_tests': {}}
+      
+      self.response.out.write(json.dumps(tests))
+      return
+
     list_type = self.request.get('type')
     # TODO(qyearsley): Separate these into two different handlers.