Roll recipe dependencies (nontrivial).

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac64_release__gn_.json

Index: scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac64_release__gn_.json
diff --git a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac64_release__gn_.json b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac64_release__gn_.json
index f6c2feef849c3afa10de0ac948e95053c0171027..9af53e5b1a11702218ad030f4f4ed5f745f1ce57 100644
--- a/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac64_release__gn_.json
+++ b/scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_mac64_release__gn_.json
@@ -5,7 +5,6 @@
       "--json-file",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "host and tools info",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br />OS X 1.2.3, Xcode 6.7.8 (5D342509a)@@@",
@@ -47,7 +46,6 @@
       "src@12345",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -86,7 +84,6 @@
       "RECIPE_MODULE[build::webrtc]/resources/cleanup_files.py",
       "[SLAVE_BUILD]/src/out"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "clean test output files"
   },
   {
@@ -98,7 +95,6 @@
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/cleanup_temp.py"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -108,7 +104,6 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "GYP_CHROMIUM_NO_ACTION": "1",
@@ -127,7 +122,6 @@
       "//out/Release",
       "--args=ffmpeg_branding=\"Chrome\" rtc_use_h264=true is_debug=false target_cpu=\"x64\" use_goma=true goma_dir=\"[BUILD]/goma\""
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "gn"
   },
   {
@@ -141,7 +135,6 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -184,7 +177,6 @@
       "--",
       "all"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },