Recipes: make cwd default to slave_build

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

Index: scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac.json b/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac.json
index 4cb7223f6d9328bd965a1d6868bfa1761b5c55c3..ce550373bc1d56e1926e82c4184f6de1f4d04683 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/tryserver_webrtc_mac.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=shared_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_decoder_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "audio_decoder_unittests"
   },
   {
@@ -133,6 +139,7 @@
       "--slave-name=slavename",
       "common_audio_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "common_audio_unittests"
   },
   {
@@ -153,6 +160,7 @@
       "--slave-name=slavename",
       "common_video_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "common_video_unittests"
   },
   {
@@ -173,6 +181,7 @@
       "--slave-name=slavename",
       "libjingle_media_unittest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_media_unittest"
   },
   {
@@ -193,6 +202,7 @@
       "--slave-name=slavename",
       "libjingle_p2p_unittest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_p2p_unittest"
   },
   {
@@ -213,6 +223,7 @@
       "--slave-name=slavename",
       "libjingle_peerconnection_unittest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "libjingle_peerconnection_unittest"
   },
   {
@@ -233,6 +244,7 @@
       "--slave-name=slavename",
       "modules_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "modules_tests"
   },
   {
@@ -253,6 +265,7 @@
       "--slave-name=slavename",
       "modules_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "modules_unittests"
   },
   {
@@ -273,6 +286,7 @@
       "--slave-name=slavename",
       "rtc_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "rtc_unittests"
   },
   {
@@ -293,6 +307,7 @@
       "--slave-name=slavename",
       "system_wrappers_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "system_wrappers_unittests"
   },
   {
@@ -313,6 +328,7 @@
       "--slave-name=slavename",
       "test_support_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "test_support_unittests"
   },
   {
@@ -333,6 +349,7 @@
       "--slave-name=slavename",
       "tools_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "tools_unittests"
   },
   {
@@ -353,6 +370,7 @@
       "--slave-name=slavename",
       "video_engine_core_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_engine_core_unittests"
   },
   {
@@ -373,6 +391,7 @@
       "--slave-name=slavename",
       "video_engine_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "video_engine_tests"
   },
   {
@@ -393,6 +412,7 @@
       "--slave-name=slavename",
       "voice_engine_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "voice_engine_unittests"
   }
 ]