Enable some profile_chrome unit tests on Trybots

systrace/profile_chrome/fake_agent_2.py

Index: systrace/profile_chrome/fake_agent_2.py
diff --git a/systrace/profile_chrome/fake_agent_2.py b/systrace/profile_chrome/fake_agent_2.py
new file mode 100644
index 0000000000000000000000000000000000000000..477b6c750910601a4c7c756a562ec5c2c6f259a0
--- /dev/null
+++ b/systrace/profile_chrome/fake_agent_2.py
@@ -0,0 +1,68 @@
+# Copyright 2016 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.
+
+import optparse
+import tempfile
+
+from systrace import trace_result
+from systrace import tracing_agents
+
+
+class FakeAgent2(object):
+  def __init__(self, contents='fake-contents'):
+    self.contents = contents
+    self.stopped = False
+    self.config = None
+    self.filename = None
+
+  # pylint: disable=unused-argument
+  def StartAgentTracing(self, config, timeout=None):
+    self.config = config
+    return True
+
+  # pylint: disable=unused-argument
+  def StopAgentTracing(self, timeout=None):
+    self.stopped = True
+    return True
+
+  # pylint: disable=unused-argument
+  def GetResults(self, timeout=None):
+    trace_data = open(self._PullTrace()).read()
+    return trace_result.TraceResult('fakeDataTwo', trace_data)
+
+  def _PullTrace(self):
+    with tempfile.NamedTemporaryFile(delete=False) as f:
+      self.filename = f.name
+      f.write(self.contents)
+      return f.name
+
+  # pylint: disable=no-self-use
+  def SupportsExplicitClockSync(self):
+    return False
+
+  # pylint: disable=unused-argument, no-self-use
+  def RecordClockSyncMarker(self, sync_id, did_record_sync_marker_callback):
+    print ('Clock sync marker cannot be recorded since explicit clock sync '
+           'is not supported.')
+
+  def __repr__(self):
+    return 'faketracetwo'
+
+
+class FakeConfig(tracing_agents.TracingConfig):
+  def __init__(self):
+    tracing_agents.TracingConfig.__init__(self)
+
+
+# pylint: disable=unused-argument
+def try_create_agent(config):
+  return FakeAgent2()
+
+def add_options(parser):
+  options = optparse.OptionGroup(parser, 'Fake options.')
+  return options
+
+# pylint: disable=unused-argument
+def get_config(options):
+  return FakeConfig()