chromium_tests: apply chromium.get_env() when running tests

scripts/slave/recipes/chromium.expected/full_chromium_webkit_WebKit_Linux_Trusty.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_webkit_WebKit_Linux_Trusty.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_webkit_WebKit_Linux_Trusty.json b/scripts/slave/recipes/chromium.expected/full_chromium_webkit_WebKit_Linux_Trusty.json
index 64e8c157c5a742ba6101b2264eb91a75622243f1..5d8f4bbad309c2ffbe394748cd7a9dfafb7d9fa1 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_webkit_WebKit_Linux_Trusty.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_webkit_WebKit_Linux_Trusty.json
@@ -375,6 +375,9 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "find isolated tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -392,6 +395,9 @@
       "\nimport sys\nprint '*.isolated file for target %s is missing' % sys.argv[1]\nsys.exit(1)\n",
       "browser_tests"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "[error] browser_tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -436,6 +442,9 @@
       "--step-name",
       "webkit_tests"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "webkit_tests",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br/>Total executed: 9001<br/>@@@"
@@ -459,6 +468,9 @@
       "--gs-acl",
       "public-read"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "archive_webkit_tests_results",
     "~followup_annotations": [
       "@@@STEP_LINK@layout_test_results@https://storage.googleapis.com/chromium-layout-test-archives/WebKit_Linux_Trusty/571/layout-test-results/results.html@@@",
@@ -472,6 +484,9 @@
       "\nimport sys\nprint '%s wasn\\'t triggered' % sys.argv[1]\nsys.exit(1)\n",
       "browser_tests"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "[collect error] browser_tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",