Remove deprecated metrics from buildbot /varz.

third_party/buildbot_8_4p1/buildbot/status/web/status_json.py

Index: third_party/buildbot_8_4p1/buildbot/status/web/status_json.py
diff --git a/third_party/buildbot_8_4p1/buildbot/status/web/status_json.py b/third_party/buildbot_8_4p1/buildbot/status/web/status_json.py
index cbeb532d797a61f23262c308f955d1a26311329d..f0fdd419aa2f84e99e7f14512dc2954fca9e72fd 100644
--- a/third_party/buildbot_8_4p1/buildbot/status/web/status_json.py
+++ b/third_party/buildbot_8_4p1/buildbot/status/web/status_json.py
@@ -1048,52 +1048,15 @@ class VarzResource(JsonResource):
     help = 'Minimal set of metrics that are scraped frequently for monitoring.'
     pageTitle = 'Varz'
 
-    RECENT_BUILDS_COUNT_DEFAULT = 50
-    RECENT_BUILDS_COUNT_LIMIT = 200
-
     @defer.deferredGenerator
     def asDict(self, request):
-        recent_builds_count = int(RequestArg(
-            request, 'recent_builds_count', self.RECENT_BUILDS_COUNT_DEFAULT))
-
-        # Enforce a hard limit to avoid DoS-ing buildbot with a heavy request.
-        recent_builds_count = min(
-            recent_builds_count, self.RECENT_BUILDS_COUNT_LIMIT)
-
         builders = {}
         for builder_name in self.status.getBuilderNames():
             builder = self.status.getBuilder(builder_name)
-
-            build_range = range(-1, -recent_builds_count - 1, -1)
-            recent_builds = [b for b in builder.getBuilds(build_range)
-                             if b is not None]
-            recent_running_builds = [b for b in recent_builds
-                                     if not b.isFinished()]
-            recent_finished_builds = [b for b in recent_builds
-                                      if b.isFinished()]
-            recent_successful_builds = [
-                b for b in recent_finished_builds
-                if b.getResults() in (SUCCESS, WARNINGS)]
-
-            recent_builds_by_status = collections.defaultdict(int)
-            recent_builds_by_status['running'] = len(recent_running_builds)
-            for b in recent_finished_builds:
-              recent_builds_by_status[b.getResults()] += 1
-
-            recent_successful_build_times = [
-                int(b.getTimes()[1] - b.getTimes()[0])
-                for b in recent_successful_builds]
-            recent_finished_build_times = [
-                int(b.getTimes()[1] - b.getTimes()[0])
-                for b in recent_finished_builds]
-
             slaves = builder.getSlaves()
             builders[builder_name] = {
                 'connected_slaves': sum(1 for x in slaves if x.connected),
                 'current_builds': len(builder.getCurrentBuilds()),
-                'recent_builds_by_status': recent_builds_by_status,
-                'recent_successful_build_times': recent_successful_build_times,
-                'recent_finished_build_times': recent_finished_build_times,
                 'pending_builds': 0,
                 'state': builder.currentBigState,
                 'total_slaves': len(slaves),