The second solution solution for ToT catapult.

scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py

Index: scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py
diff --git a/scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py b/scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py
index 99dca2ba477d0b7ef51a3a6baeac69b159755178..0754913d92d28a519ac7f0f2ed4b05d242cd3221 100644
--- a/scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py
+++ b/scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py
@@ -2,8 +2,19 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+from recipe_engine import config as recipe_config

[dtu, 2016/08/10 01:19:39]

Unused import? If it's necessary, include a comment explaining it.

[RobertoCN, 2016/08/10 22:59:54]

Done.

+
 from . import chromium_perf
 
+import DEPS
+CONFIG_CTX = DEPS['gclient'].CONFIG_CTX
+
+@CONFIG_CTX(includes=['chromium_perf'])
+def tryserver_chromium_perf(c):
+  soln = c.solutions.add()
+  soln.name = 'catapult'
+  soln.url = ('https://chromium.googlesource.com/external/github.com/'
+              'catapult-project/catapult.git')
 
 SPEC = {
   'builders': {},
@@ -13,14 +24,16 @@ SPEC = {
 
 def _AddBuildSpec(name, platform, target_bits=64):
   SPEC['builders'][name] = chromium_perf.BuildSpec(
-      'tryserver_chromium_perf', None, platform, target_bits)
+      'tryserver_chromium_perf', None, platform, target_bits,
+      gclient_config='tryserver_chromium_perf')
 
 
 def _AddTestSpec(name, platform, target_bits=64):
   # TODO(dtu): Change this to TestSpec after try job builds are all offloaded
   # to builders.
   spec = chromium_perf.BuildSpec(
-      'tryserver_chromium_perf', None, platform, target_bits)
+      'tryserver_chromium_perf', None, platform, target_bits,
+      gclient_config='tryserver_chromium_perf')
   del spec['tests']
   SPEC['builders'][name] = spec