[IndexedDB] Adding traces, perf tests

tools/telemetry/telemetry/web_perf/metrics/indexeddb_timeline.py

Index: tools/telemetry/telemetry/web_perf/metrics/indexeddb_timeline.py
diff --git a/tools/telemetry/telemetry/web_perf/metrics/indexeddb_timeline.py b/tools/telemetry/telemetry/web_perf/metrics/indexeddb_timeline.py
new file mode 100644
index 0000000000000000000000000000000000000000..79f562789424f4762634c967d1c19ab8a56b812f
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+++ b/tools/telemetry/telemetry/web_perf/metrics/indexeddb_timeline.py
@@ -0,0 +1,84 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+from telemetry.web_perf.metrics import trace_event_aggregator
+
+
+class IndexedDBTimelineMetric(trace_event_aggregator.TraceEventAggregator):
+  """Metrics for IndexedDB operations.
+  """
+
+  def __init__(self):
+    super(IndexedDBTimelineMetric, self).__init__()
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBDatabase::GetOperation',
+      list_metric_name='idb-gets',
+      list_metric_description='The duration of all "get" ops in IndexedDB',
+      units='ms',
+      count_metric_name='idb-get-count',
+      count_metric_description='The number of "get" ops',
+      process_name='Browser'))
+
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBDatabase::PutOperation',
+      list_metric_name='idb-puts',
+      list_metric_description='The duration of all "put" ops in IndexedDB',
+      units='ms',
+      count_metric_name='idb-put-count',
+      count_metric_description='The number of "put" ops',
+      process_name='Browser'))
+
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBFactoryImpl::Open',
+      list_metric_name='idb-opens',
+      list_metric_description='The duration of all "open" ops in IndexedDB',
+      units='ms',
+      count_metric_name='idb-opens-count',
+      count_metric_description='The number of "open" ops',
+      process_name='Browser'))
+
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBTransaction::Commit',
+      list_metric_name='idb-transaction-commits',
+      list_metric_description=('The duration of all "commit" ops of ' +
+                               'transactions in IndexedDB.'),
+      units='ms',
+      count_metric_name='idb-transaction-commits-count',
+      count_metric_description=('The number of "commit" ops for ' +
+                                'IndexedDB transactions.'),
+      process_name='Browser'))
+
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBFactoryImpl::DeleteDatabase',
+      list_metric_name='idb-database-deletes',
+      list_metric_description=('The duration of all "delete" ops of ' +
+                               'IndexedDB databases.'),
+      units='ms',
+      count_metric_name='idb-database-deletes-count',
+      count_metric_description=('The number of "delete" ops for ' +
+                                'IndexedDB databases.'),
+      process_name='Browser'))
+
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBDatabase::OpenCursorOperation',
+      list_metric_name='idb-cursor-opens',
+      list_metric_description=('The duration of all "open" ops of ' +
+                               'IndexedDB cursors.'),
+      units='ms',
+      count_metric_name='idb-cursor-opens-count',
+      count_metric_description=('The number of "open" ops for ' +
+                                'IndexedDB cursors.'),
+      process_name='Browser'))
+
+    self.AddInput(trace_event_aggregator.TraceEventAggregatorInput(
+      event_name='IndexedDBCursor::CursorIterationOperation',
+      list_metric_name='idb-cursor-iterations',
+      list_metric_description=('The duration of all "iteration" ops of ' +
+                               'IndexedDB cursors.'),
+      units='ms',
+      count_metric_name='idb-cursor-iterations-count',
+      count_metric_description=('The number of "iteration" ops for ' +
+                                'IndexedDB cursors.'),
+      process_name='Browser'))