Recipes: make cwd default to slave_build

scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_baremetal.json

Index: scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_baremetal.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_baremetal.json b/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_baremetal.json
index 0e5d35946b5be0dab9a95bf57e9abe27e49434e1..41c9723fb0ab5bd3b527d858aefa97b904340369 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_baremetal.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac_baremetal.json
@@ -27,6 +27,7 @@
       "--revision",
       "src@12345"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
@@ -53,6 +54,7 @@
       "RECIPE_MODULE[webrtc]/resources/cleanup_files.py",
       "[SLAVE_BUILD]/src/out"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "clean test output files"
   },
   {
@@ -61,6 +63,7 @@
       "-u",
       "[BUILD]/scripts/slave/cleanup_temp.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -70,6 +73,7 @@
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' mac_sdk=10.9 target_arch=ia32 use_goma=1"
     },
@@ -93,6 +97,7 @@
       "--",
       "All"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile"
   },
   {
@@ -113,6 +118,7 @@
       "--slave-name=slavename",
       "audio_device_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "audio_device_tests"
   },
   {
@@ -121,6 +127,7 @@
       "-u",
       "RECIPE_MODULE[webrtc]/resources/ensure_webcam_is_running.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webcam_check"
   },
   {
@@ -143,6 +150,7 @@
       "--automated",
       "--capture_test_ensure_resolution_alignment_in_capture_device=false"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "vie_auto_test"
   },
   {
@@ -164,6 +172,7 @@
       "voe_auto_test",
       "--automated"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "voe_auto_test"
   },
   {
@@ -172,6 +181,7 @@
       "-u",
       "RECIPE_MODULE[webrtc]/resources/ensure_webcam_is_running.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webcam_check (2)"
   },
   {
@@ -192,6 +202,7 @@
       "--slave-name=slavename",
       "video_capture_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_capture_tests"
   },
   {
@@ -212,6 +223,7 @@
       "--slave-name=slavename",
       "webrtc_perf_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webrtc_perf_tests"
   }
 ]