Register metric Histogram names.

telemetry/telemetry/internal/story_runner.py

Index: telemetry/telemetry/internal/story_runner.py
diff --git a/telemetry/telemetry/internal/story_runner.py b/telemetry/telemetry/internal/story_runner.py
index 4242b78b8c85b08ca070dca31aac268441771299..8e84ac6a5c12ac540c79a822c46dc4957ea898f0 100644
--- a/telemetry/telemetry/internal/story_runner.py
+++ b/telemetry/telemetry/internal/story_runner.py
@@ -26,6 +26,8 @@ from telemetry.value import failure
 from telemetry.value import skip
 from telemetry.web_perf import story_test
 
+from tracing.metrics import all_histogram_names
+
 
 class ArchiveError(Exception):
   pass
@@ -69,7 +71,13 @@ def ProcessCommandLineArgs(parser, args):
 def _RunStoryAndProcessErrorIfNeeded(story, results, state, test):
   def ProcessError(description=None):
     state.DumpStateUponFailure(story, results)
-    results.AddValue(failure.FailureValue(story, sys.exc_info(), description))
+    if test.GetTimelineBasedMetrics():
+      for unused_name in all_histogram_names.AllHistogramNames(
+          test.GetTimelineBasedMetrics()):
+        pass  # TODO(benjhayden): Synthesize Failure Histograms here.
+    else:
+      results.AddValue(failure.FailureValue(story, sys.exc_info(), description))
+
   try:
     # TODO(mikecase): Remove this logging once Android perf bots are swarmed.
     # crbug.com/678282