Revert "build: remove diagnose_goma step to stop leaks"

scripts/slave/recipe_modules/chromium_tests/steps.py

 # Copyright 2014 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 re
 import string
 
 
 class Test(object):
   """
@@ skipping 1816 matching lines @@
   @staticmethod
   def compile_targets(api):
     return ['system_webview_apk']
 
   def run(self, api, suffix, test_filter=None):
     api.chromium_android.adb_install_apk(
         api.chromium_android.apk_path('SystemWebView.apk'))
     api.chromium_android.run_webview_cts()
 
 
+class DiagnoseGomaTest(Test):
+  name = 'diagnose_goma'
+
+  @property
+  def name(self):
+    return 'diagnose_goma'
+
+  @staticmethod
+  def compile_targets(_):
+    return []
+
+  def run(self, api, suffix, test_filter=None):
+    diagnose_goma_log_py = api.path['build'].join('goma',
+                                                  'diagnose_goma_log.py')
+    api.python('diagnose_goma', diagnose_goma_log_py, [])
+
+
 class IncrementalCoverageTest(Test):
   name = 'incremental_coverage'
 
   @property
   def uses_local_devices(self):
     return True
 
   def has_valid_results(self, api, suffix):
     return True
 
@@ skipping 13 matching lines @@
   def run(self, api, suffix, test_filter=None):
     api.chromium_android.coverage_report(upload=False)
     api.chromium_android.get_changed_lines_for_revision()
     api.chromium_android.incremental_coverage_report()
 
 
 GOMA_TESTS = [
   GTestTest('base_unittests'),
   GTestTest('content_unittests'),
 ]