Re-enable DepsCache using GOMA_DEPS_CACHE_FILE

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

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\kill_processes.py"
     ],
     "name": "taskkill"
   },
   {
@@ skipping 328 matching lines @@
       "--src-dir",
       "[BUILDER_CACHE]\\win_layout\\src",
       "--goma-cache-dir",
       "[GOMA_CACHE]",
       "--buildbot-buildername",
       "WebKit Win Builder",
       "--buildbot-mastername",
       "chromium.webkit",
       "--buildbot-slavename",
       "TestSlavename",
-      "--goma-deps-cache-dir",
-      "[GOMA_DEPS_CACHE]",
+      "--goma-deps-cache-file",
+      "WebKit_Win_Builder.gomadeps",
       "--build-data-dir",
       "[ROOT]\\build_data_dir",
       "--compiler",
       "goma",
       "--goma-jsonstatus",
       "/path/to/tmp/json",
       "--goma-service-account-json-file",
       "C:\\creds\\service_accounts\\service-account-goma-client.json",
       "--goma-dir",
       "[CACHE]\\cipd\\goma",
@@ skipping 120 matching lines @@
     "~followup_annotations": [
       "@@@STEP_TEXT@WebKit Win10<br />WebKit Win7@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]