Recipes: make cwd default to slave_build

scripts/slave/recipes/perf/telemetry_generate_large_profile.expected/mac.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "master.chromium.perf.fyi",
       "--builder",
       "TestBuilder",
       "--slave",
       "TestSlavename",
       "--spec",
       "cache_dir = None\nsolutions = [{'custom_vars': {'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': 'src', 'url': 'svn://svn-mirror.golo.chromium.org/chrome/trunk/src'}]",
       "--root",
       "src",
       "--revision_mapping_file",
       "{\"src\": \"got_revision\", \"src/native_client\": \"got_nacl_revision\", \"src/third_party/WebKit\": \"got_webkit_revision\", \"src/third_party/webrtc\": \"got_webrtc_revision\", \"src/tools/swarming_client\": \"got_swarming_client_revision\", \"src/v8\": \"got_v8_revision\"}",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "src@5d6dd8eaee742daf7f298f533fb0827dc4a693fd",
       "--force"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"src\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"got_nacl_revision\": \"d998e125e8253980d76e269b7982aeeefc1b9b50\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"got_nacl_revision_cp\": \"refs/heads/master@{#274981}\", @@@",
@@ skipping 35 matching lines @@
       "Release",
       "--build-url",
       "gs://chrome-perf/Mac Builder/testbuildurl",
       "--build_revision",
       "5d6dd8eaee742daf7f298f533fb0827dc4a693fd",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"TestBuilder\", \"buildnumber\": 571, \"mastername\": \"master.chromium.perf.fyi\", \"parent_build_archive_url\": \"gs://chrome-perf/Mac Builder/testbuildurl\", \"parent_got_revision\": \"5d6dd8eaee742daf7f298f533fb0827dc4a693fd\", \"recipe\": \"perf/telemetry_generate_large_profile\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"TestBuilder\", \"buildnumber\": 571, \"mastername\": \"master.chromium.perf.fyi\", \"parent_build_archive_url\": \"gs://chrome-perf/Mac Builder/testbuildurl\", \"parent_got_revision\": \"5d6dd8eaee742daf7f298f533fb0827dc4a693fd\", \"recipe\": \"perf/telemetry_generate_large_profile\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "Download and Extract Binary"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/perf/generate_profile",
       "--browser=exact",
       "--browser-executable=[SLAVE_BUILD]/src/out/Release/Google Chrome.app/Contents/MacOS/Google Chrome",
       "--profile-type-to-generate=large_profile",
       "--output-dir=[TMP_BASE]/large-profile_tmp_1"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "Generate Large Profile"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[zip]/resources/zip.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "Zip Large Profile",
     "stdin": "{\"entries\": [{\"path\": \"[TMP_BASE]/large-profile_tmp_1\", \"type\": \"dir\"}], \"output\": \"[TMP_BASE]/zipped-profile_tmp_2/large_profile.zip\", \"root\": \"[TMP_BASE]/large-profile_tmp_1\", \"use_python_zip\": false}"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[gsutil]/resources/gsutil_wrapper.py",
       "--",
       "[DEPOT_TOOLS]/gsutil.py",
       "--force-version",
       "3.25",
       "--",
       "cp",
       "[TMP_BASE]/zipped-profile_tmp_2/large_profile.zip",
       "gs://chrome-partner-telemetry/large_profile/mac"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gsutil upload",
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chrome-partner-telemetry/large_profile/mac@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport os, sys\nfrom common import chromium_utils\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[TMP_BASE]/large-profile_tmp_1"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree Remove profile directory.",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import os, sys@@@",
       "@@@STEP_LOG_LINE@python.inline@from common import chromium_utils@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@if os.path.exists(sys.argv[1]):@@@",
       "@@@STEP_LOG_LINE@python.inline@  chromium_utils.RemoveDirectory(sys.argv[1])@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport os, sys\nfrom common import chromium_utils\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[TMP_BASE]/zipped-profile_tmp_2"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "rmtree Remove zipped profile directory.",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import os, sys@@@",
       "@@@STEP_LOG_LINE@python.inline@from common import chromium_utils@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@if os.path.exists(sys.argv[1]):@@@",
       "@@@STEP_LOG_LINE@python.inline@  chromium_utils.RemoveDirectory(sys.argv[1])@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   }
 ]