Roll recipe dependencies (nontrivial).

scripts/slave/recipes/dart/dartium_build.expected/basic_mac_64_MirrorFalse.json

Index: scripts/slave/recipes/dart/dartium_build.expected/basic_mac_64_MirrorFalse.json
diff --git a/scripts/slave/recipes/dart/dartium_build.expected/basic_mac_64_MirrorFalse.json b/scripts/slave/recipes/dart/dartium_build.expected/basic_mac_64_MirrorFalse.json
index 04ba8987e038490a958841dffd5f51ce6444383b..057398901d54d13605f1ef12cc8009a98d7396e7 100644
--- a/scripts/slave/recipes/dart/dartium_build.expected/basic_mac_64_MirrorFalse.json
+++ b/scripts/slave/recipes/dart/dartium_build.expected/basic_mac_64_MirrorFalse.json
@@ -8,7 +8,6 @@
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': 'DEPS', 'managed': True, 'name': 'dartium.deps', 'url': 'https://dart.googlecode.com/svn/branches/bleeding_edge/deps/dartium.deps'}]"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -29,7 +28,6 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -76,7 +74,6 @@
       "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": "clang=1 component=static_library gomadir='[BUILD]/goma' linux_strip_binary=1 target_arch=x64 use_goma=1",
@@ -96,7 +93,6 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -140,7 +136,6 @@
       "All",
       "chromium_builder_tests"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -157,7 +152,6 @@
       "[SLAVE_BUILD]/src/dart/tools/dartium/multivm_archive.py",
       "12345"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "archive_build"
   },
   {