Roll recipe dependencies (nontrivial).

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

Index: scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Mac_Builder.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Mac_Builder.json b/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Mac_Builder.json
index 4e1189bbe825359e59385c980a2b7d3a78c29cc0..a6fe453c438f4895d6b09d499b6af7c038887f38 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Mac_Builder.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Mac_Builder.json
@@ -25,7 +25,6 @@
       "--force",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -115,7 +114,6 @@
   },
   {
     "cmd": [],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma"
   },
   {
@@ -130,7 +128,6 @@
       "--json-output",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma.install cipd",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
@@ -155,7 +152,6 @@
       "--service-account-json",
       "/creds/service_accounts/service-account-goma-client.json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma.ensure_installed",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
@@ -177,7 +173,6 @@
       "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_DEFINES": "blink_logging_always_on=1 clang=1 component=static_library dcheck_always_on=1 ffmpeg_branding=Chrome gomadir='[CACHE]/cipd/goma' proprietary_codecs=1 target_arch=x64 use_goma=1",
@@ -200,7 +195,6 @@
       "--properties",
       "{\"buildername\": \"Mac Builder\", \"buildnumber\": 571, \"mastername\": \"chromium.webrtc\", \"slavename\": \"TestSlavename\", \"target_platform\": \"mac\"}"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -215,7 +209,6 @@
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.webrtc.json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]/src/testing/buildbot/chromium.webrtc.json@@@",
@@ -232,7 +225,6 @@
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/cleanup_temp.py"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -246,7 +238,6 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -296,7 +287,6 @@
       "media_unittests",
       "remoting_unittests"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -326,12 +316,10 @@
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"build_data_dir\": \"[ROOT]/build_data_dir\", \"buildername\": \"Mac Builder\", \"buildnumber\": 571, \"mastername\": \"chromium.webrtc\", \"parent_buildername\": null, \"recipe\": \"chromium\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "package build"
   },
   {
     "cmd": [],
-    "cwd": "[SLAVE_BUILD]",
     "name": "trigger",
     "trigger_specs": [
       {