Roll recipe dependencies (nontrivial).

scripts/slave/recipes/chromium.expected/full_chromium_webrtc_fyi_Win7_Tester.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_webrtc_fyi_Win7_Tester.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_fyi_Win7_Tester.json b/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_fyi_Win7_Tester.json
index b2e4bdad11514c8ee62701ea39d3160233de22ce..3ca9b1ba5818572e1bf846b04838723a586f4e24 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_fyi_Win7_Tester.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_webrtc_fyi_Win7_Tester.json
@@ -5,7 +5,6 @@
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\kill_processes.py"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "taskkill"
   },
   {
@@ -38,7 +37,6 @@
       "--force",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s;RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -130,7 +128,6 @@
   },
   {
     "cmd": [],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma"
   },
   {
@@ -145,7 +142,6 @@
       "--json-output",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma.install cipd",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
@@ -170,7 +166,6 @@
       "--service-account-json",
       "C:\\creds\\service_accounts\\service-account-goma-client.json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "ensure_goma.ensure_installed",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
@@ -192,7 +187,6 @@
       "RECIPE_PACKAGE_REPO[depot_tools]\\gclient.py",
       "runhooks"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "C:\\creds\\service_accounts\\service-account-goma-client.json",
       "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 ffmpeg_branding=Chrome gomadir='[CACHE]\\cipd\\goma' proprietary_codecs=1 target_arch=ia32 use_goma=1",
@@ -215,7 +209,6 @@
       "--properties",
       "{\"buildername\": \"Win7 Tester\", \"buildnumber\": 571, \"mastername\": \"chromium.webrtc.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"win\"}"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -230,7 +223,6 @@
       "[SLAVE_BUILD]\\src\\testing\\buildbot\\chromium.webrtc.fyi.json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]\\src\\testing\\buildbot\\chromium.webrtc.fyi.json@@@",
@@ -247,7 +239,6 @@
       "python",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\cleanup_temp.py"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
@@ -257,7 +248,6 @@
       "\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@@@@",
@@ -287,7 +277,6 @@
       "--build-number",
       "571"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "extract build"
   },
   {
@@ -319,7 +308,6 @@
       "--test-launcher-print-test-stdio=always",
       "--test-launcher-bot-mode"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "content_browsertests"
   },
   {
@@ -353,7 +341,6 @@
       "--test-launcher-bot-mode",
       "--test-launcher-print-test-stdio=always"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "browser_tests"
   },
   {
@@ -378,7 +365,6 @@
       "--build-number=571",
       "content_unittests.exe"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "content_unittests"
   },
   {
@@ -408,7 +394,6 @@
       "--test-launcher-jobs=1",
       "--test-launcher-print-test-stdio=always"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "media_unittests"
   },
   {
@@ -434,7 +419,6 @@
       "remoting_unittests.exe",
       "--gtest_filter=Webrtc*"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "remoting_unittests"
   },
   {
@@ -445,7 +429,6 @@
       "--target",
       "Release"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "process_dumps"
   },
   {