Recipes: make cwd default to slave_build

scripts/slave/recipes/blink_downstream.expected/full_client_v8_V8_Blink_Mac_fail.json

Index: scripts/slave/recipes/blink_downstream.expected/full_client_v8_V8_Blink_Mac_fail.json
diff --git a/scripts/slave/recipes/blink_downstream.expected/full_client_v8_V8_Blink_Mac_fail.json b/scripts/slave/recipes/blink_downstream.expected/full_client_v8_V8_Blink_Mac_fail.json
index 0cad1b4ddcb8f440f8a8e24d14ebad3d3c5adcfb..6709631464f6140ff6f4ef8bb8fa6fe9ec6b788f 100644
--- a/scripts/slave/recipes/blink_downstream.expected/full_client_v8_V8_Blink_Mac_fail.json
+++ b/scripts/slave/recipes/blink_downstream.expected/full_client_v8_V8_Blink_Mac_fail.json
@@ -26,6 +26,7 @@
       "src/v8@20123",
       "--force"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -72,6 +73,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "clang=1 component=static_library gomadir='[BUILD]/goma' target_arch=x64 use_goma=1"
     },
@@ -95,6 +97,7 @@
       "--",
       "blink_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile"
   },
   {
@@ -113,6 +116,7 @@
       "--build-number=571",
       "webkit_unit_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webkit_unit_tests"
   },
   {
@@ -147,6 +151,7 @@
       "V8-Blink Mac",
       "--no-pixel-tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webkit_tests (with patch)",
     "~followup_annotations": [
       "step returned non-zero exit code: 5",
@@ -174,6 +179,7 @@
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"V8-Blink Mac\", \"buildnumber\": 571, \"mastername\": \"client.v8\", \"recipe\": \"blink_downstream\", \"revision\": \"20123\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "archive_webkit_tests_results",
     "~followup_annotations": [
       "@@@STEP_LINK@layout_test_results@https://storage.googleapis.com/chromium-layout-test-archives/V8-Blink_Mac/571/layout-test-results/results.html@@@",
@@ -205,6 +211,7 @@
       "src/third_party/WebKit@5e2293dffc3cd07d37fbedea3b500f0eb650614d",
       "--force"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update (2)",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -239,6 +246,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "clang=1 component=static_library gomadir='[BUILD]/goma' target_arch=x64 use_goma=1"
     },
@@ -262,6 +270,7 @@
       "--",
       "blink_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile (2)"
   },
   {
@@ -300,6 +309,7 @@
       "--skipped",
       "always"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webkit_tests (without patch)",
     "~followup_annotations": [
       "step returned non-zero exit code: 5",
@@ -314,6 +324,7 @@
       "\nimport sys, json\nfailures = json.load(open(sys.argv[1], 'rb'))\n\nsuccess = True\n\nif failures['new']:\n  success = False\n  print 'New failures:'\n  for f in failures['new']:\n    print f\n\nif failures['ignored']:\n  print 'Ignored failures:'\n  for f in failures['ignored']:\n    print f\n\nsys.exit(0 if success else 1)\n",
       "{\"ignored\": [\"bad/totally-bad-probably.html\", \"tricky/totally-maybe-not-awesome.html\"], \"new\": []}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webkit_tests",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br/>ignored:<br/>bad/totally-bad-probably.html<br/>tricky/totally-maybe-not-awesome.html<br/>@@@",