Roll recipe dependencies (nontrivial).

scripts/slave/recipes/dart/dartium_build.expected/basic_linux_64_MirrorTrue.json

Index: scripts/slave/recipes/dart/dartium_build.expected/basic_linux_64_MirrorTrue.json
diff --git a/scripts/slave/recipes/dart/dartium_build.expected/basic_linux_64_MirrorTrue.json b/scripts/slave/recipes/dart/dartium_build.expected/basic_linux_64_MirrorTrue.json
index 979f15a6d38e76c22561f2b6178042cc8f31e848..90263212453ff992d6c7825bf62690bcd15dbd8f 100644
--- a/scripts/slave/recipes/dart/dartium_build.expected/basic_linux_64_MirrorTrue.json
+++ b/scripts/slave/recipes/dart/dartium_build.expected/basic_linux_64_MirrorTrue.json
@@ -8,7 +8,6 @@
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'custom_vars': {'dartium_base': 'svn://svn-mirror.golo.chromium.org', 'googlecode_url': 'svn://svn-mirror.golo.chromium.org/%s', 'nacl_trunk': 'svn://svn-mirror.golo.chromium.org/native_client/trunk', 'sourceforge_url': 'svn://svn-mirror.golo.chromium.org/%(repo)s', 'webkit_trunk': 'svn://svn-mirror.golo.chromium.org/blink/trunk'}, 'deps_file': 'DEPS', 'managed': True, 'name': 'dartium.deps', 'url': 'svn://svn-mirror.golo.chromium.org/dart/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": "component=static_library gomadir='[BUILD]/goma' linux_strip_binary=1 target_arch=x64 use_goma=1",
@@ -117,7 +114,6 @@
       "All",
       "chromium_builder_tests"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -134,7 +130,6 @@
       "[SLAVE_BUILD]/src/dart/tools/dartium/multivm_archive.py",
       "12345"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "archive_build"
   },
   {