Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium_mojo.expected/full_chromium_mojo_Chromium_Mojo_Linux.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "chromium.mojo",
       "--builder",
       "Chromium Mojo Linux",
       "--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@HEAD",
       "--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 26 matching lines @@
       "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#170242}\"@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_CHROMIUM_NO_ACTION": "1"
     },
     "name": "gclient runhooks"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[DEPOT_TOOLS]/gn.py",
       "--root=[SLAVE_BUILD]/src",
       "gen",
       "//out/Release",
       "--args=is_debug=false target_cpu=\"x64\" use_goma=true goma_dir=\"[BUILD]/goma\""
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gn"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/compile.py",
       "--target",
       "Release",
       "--src-dir",
       "[SLAVE_BUILD]/src",
       "--build-tool",
       "ninja",
       "--compiler",
       "goma",
       "--goma-dir",
       "[BUILD]/goma",
       "--",
       "mojo",
       "mojo/services:apptests",
       "mojo/services:tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "html_viewer_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "html_viewer_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "mojo_application_manager_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "mojo_application_manager_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "mojo_common_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "mojo_common_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "mojo_runner_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "mojo_runner_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "mojo_shell_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "mojo_shell_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "mojo_surfaces_lib_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "mojo_surfaces_lib_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Release",
       "--no-xvfb",
       "--factory-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--build-properties",
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"buildername\": \"Chromium Mojo Linux\", \"buildnumber\": 571, \"mastername\": \"chromium.mojo\", \"recipe\": \"chromium_mojo\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
       "--builder-name=Chromium Mojo Linux",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "view_manager_service_unittests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "view_manager_service_unittests"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/mojo/tools/apptest_runner.py",
       "[SLAVE_BUILD]/src/mojo/tools/data/apptests",
       "[SLAVE_BUILD]/src/out/Release"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "app_tests"
   }
 ]