Roll recipe dependencies (nontrivial).

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

Index: scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Linux_Tester.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Linux_Tester.json b/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Linux_Tester.json
index 14f8090a2272b07754e634eb2ec97c048ea16ae2..e52e00d44065b961f2d0e9068128ca604c93b0e2 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Linux_Tester.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_Linux_Tester.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": "component=static_library ffmpeg_branding=Chrome gomadir='[CACHE]/cipd/goma' proprietary_codecs=1 target_arch=x64 use_goma=1",
@@ -200,7 +195,6 @@
       "--properties",
       "{\"buildername\": \"Linux Tester\", \"buildnumber\": 571, \"mastername\": \"chromium.webrtc\", \"slavename\": \"TestSlavename\", \"target_platform\": \"linux\"}"
     ],
-    "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"
   },
   {
@@ -242,7 +234,6 @@
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[SLAVE_BUILD]/src/out/Release"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree build directory",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
@@ -272,7 +263,6 @@
       "--build-number",
       "571"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "extract build"
   },
   {
@@ -305,7 +295,6 @@
       "--test-launcher-print-test-stdio=always",
       "--test-launcher-bot-mode"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "content_browsertests"
   },
   {
@@ -340,7 +329,6 @@
       "--test-launcher-bot-mode",
       "--test-launcher-print-test-stdio=always"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "browser_tests"
   },
   {
@@ -366,7 +354,6 @@
       "--build-number=571",
       "content_unittests"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "content_unittests"
   },
   {
@@ -397,7 +384,6 @@
       "--test-launcher-jobs=1",
       "--test-launcher-print-test-stdio=always"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "media_unittests"
   },
   {
@@ -424,7 +410,6 @@
       "remoting_unittests",
       "--gtest_filter=Webrtc*"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "remoting_unittests"
   },
   {