WebRTC: Pass WebRTC revision to perf dashboard for FYI bots.

scripts/slave/recipe_modules/webrtc/api.py

Index: scripts/slave/recipe_modules/webrtc/api.py
diff --git a/scripts/slave/recipe_modules/webrtc/api.py b/scripts/slave/recipe_modules/webrtc/api.py
index 5d9793a4f056a70f9aface0c004ab69b0006cdce..89fcd0ded789705ca1d7dcafed4c42454b19ff60 100644
--- a/scripts/slave/recipe_modules/webrtc/api.py
+++ b/scripts/slave/recipe_modules/webrtc/api.py
@@ -2,6 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import ast
+import json
+
 from slave import recipe_api
 from slave.recipe_modules.webrtc import builders
 
@@ -67,12 +70,13 @@ class WebRTCApi(recipe_api.RecipeApi):
 
   DASHBOARD_UPLOAD_URL = 'https://chromeperf.appspot.com'
 
-  def runtests(self, test_suite=None, revision=None):
+  def runtests(self, test_suite=None, revision=None, cr_revision=None):
     """Add a suite of test steps.
 
     Args:
       test_suite: The name of the test suite.
       revision: Revision for the build. Mandatory for perf measuring tests.
+      cr_revision: Chromium revision for the build, where applicable.
     """
     with self.m.step.defer_results():
       if test_suite in ('webrtc', 'webrtc_parallel'):
@@ -176,12 +180,19 @@ class WebRTCApi(recipe_api.RecipeApi):
       perf_dashboard_id = perf_dashboard_id or test
       assert revision, ('Revision must be specified for perf tests as they '
                         'upload data to the perf dashboard.')
+      # Ensure we get the WebRTC revision passed as well for bots that builds
+      # WebRTC ToT in a Chromium checkout.
+      perf_config = self.c.PERF_CONFIG
+      if perf_config and cr_revision:
+        perf_config_dict = ast.literal_eval(self.c.PERF_CONFIG)
+        perf_config_dict['r_webrtc_rev'] = str(revision)
+        perf_config = json.dumps(perf_config_dict)
       self.m.chromium.runtest(
           test=test, args=args, name=name,
           results_url=self.DASHBOARD_UPLOAD_URL, annotate='graphing',
           xvfb=True, perf_dashboard_id=perf_dashboard_id, test_type=test,
           env=env, revision=revision, perf_id=self.c.PERF_ID,
-          perf_config=self.c.PERF_CONFIG)
+          perf_config=perf_config)
     else:
       annotate = 'gtest'
       python_mode = False