Roll recipe dependencies (nontrivial).

scripts/slave/recipe_modules/ios/example.expected/errors.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/chromium/src.git'}, {'custom_deps': {'src/chrome/test/data/firefox2_profile/searchplugins': None, 'src/chrome/test/data/firefox2_searchplugins': None, 'src/chrome/test/data/firefox3_profile/searchplugins': None, 'src/chrome/test/data/firefox3_searchplugins': None, 'src/chrome/test/data/osdd': None, 'src/chrome/test/data/perf/frame_rate/private': None, 'src/chrome/test/data/plugin': None, 'src/chrome/test/data/ssl/certs': None, 'src/data/autodiscovery': None, 'src/data/esctf': None, 'src/data/mach_ports': None, 'src/data/memory_test': None, 'src/data/mozilla_js_tests': None, 'src/data/page_cycler': None, 'src/data/selenium_core': None, 'src/data/tab_switching': None, 'src/tools/grit/grit/test/data': None, 'src/webkit/data/bmp_decoder': None, 'src/webkit/data/ico_decoder': None, 'src/webkit/data/test_shell/plugins': None, 'src/webkit/data/xbm_decoder': None}, 'deps_file': '.DEPS.git', 'managed': True, 'name': 'src-internal', 'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git'}]\ntarget_os = ['ios']",
       "--patch_root",
       "src",
@@ skipping 172 matching lines @@
   {
     "cmd": [
       "ninja",
       "-C",
       "[SLAVE_BUILD]/src/out/Release-iphoneos"
     ],
     "cwd": "[SLAVE_BUILD]/src/out/Release-iphoneos",
     "name": "compile"
   },
   {
-    "cmd": [],
     "name": "bootstrap swarming"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
       "--path",
       "[SLAVE_BUILD]/swarming.client",
       "--url",
@@ skipping 96 matching lines @@
       "--version"
     ],
     "name": "bootstrap swarming.swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_TEXT@1.2.3@@@"
     ]
   },
   {
-    "cmd": [],
     "name": "isolate"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "{\n  \"conditions\": [\n    [\n      \"OS == \\\"ios\\\"\", \n      {\n        \"variables\": {\n          \"command\": [\n            \"src/ios/build/bots/scripts/run.py\", \n            \"--app\", \n            \"<(app_path)\", \n            \"--out-dir\", \n            \"${ISOLATED_OUTDIR}\", \n            \"--xcode-version\", \n            \"<(xcode_version)\"\n          ], \n          \"files\": [\n            \"<(app_path)/\", \n            \"src/ios/build/bots/scripts/\"\n          ]\n        }\n      }\n    ]\n  ]\n}",
       "[SLAVE_BUILD]/template.isolate"
     ],
@@ skipping 170 matching lines @@
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"1\": \"fake-hash-1\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"2\": \"fake-hash-2\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"3\": \"fake-hash-3\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
-    "cmd": [],
     "name": "trigger"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/swarming.client/swarming.py",
       "trigger",
       "--swarming",
       "https://chromium-swarm.appspot.com",
@@ skipping 65 matching lines @@
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
       "@@@STEP_LOG_LINE@json.output@  }@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LINK@shard #0@https://chromium-swarm.appspot.com/user/task/10000@@@"
     ]
   },
   {
-    "cmd": [],
     "name": "trigger.[trigger] fake test 3 (fake device iOS 8.1)",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_TEXT@Requested unsupported device type.@@@",
       "@@@STEP_LOG_LINE@supported devices@iPad Air@@@",
       "@@@STEP_LOG_LINE@supported devices@iPhone 5s@@@",
       "@@@STEP_LOG_LINE@supported devices@iPhone 6s@@@",
       "@@@STEP_LOG_END@supported devices@@@",
       "@@@STEP_EXCEPTION@@@"
     ]
@@ skipping 137 matching lines @@
       "@@@STEP_LOG_LINE@json.output@      \"try_number\": 1, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"user\": \"unknown\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
       "@@@STEP_LOG_LINE@json.output@  ]@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LINK@shard #0@https://chromium-swarm.appspot.com/user/task/10000@@@"
     ]
   },
   {
-    "cmd": [],
     "name": "fake test 3 (fake device iOS 8.1)",
     "~followup_annotations": [
       "@@@STEP_TEXT@Failed to trigger the test.@@@",
       "@@@STEP_EXCEPTION@@@"
     ]
   },
   {
-    "cmd": [],
     "name": "fake test 4 (iPhone 5s iOS 8.1)",
     "~followup_annotations": [
       "@@@STEP_TEXT@Failed to trigger the test.@@@",
       "@@@STEP_EXCEPTION@@@"
     ]
   },
   {
     "name": "$result",
     "reason": "Failed fake test 1 (fake device iOS 8.1), fake test 3 (fake device iOS 8.1), fake test 4 (iPhone 5s iOS 8.1).",
     "recipe_result": null,
     "status_code": 1
   }
 ]