Updating swarming api to check for chartjson results from a finished

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

Index: scripts/slave/recipes/chromium.expected/dynamic_swarmed_isolated_script_test_mac_gpu.json
diff --git a/scripts/slave/recipes/chromium.expected/dynamic_swarmed_isolated_script_test_mac_gpu.json b/scripts/slave/recipes/chromium.expected/dynamic_swarmed_isolated_script_test_mac_gpu.json
index 94802c9fd010d25f3ee68997294be6661f6eb28e..bedf2a5c7d268bcf10949f6a0bf2496e886b365c 100644
--- a/scripts/slave/recipes/chromium.expected/dynamic_swarmed_isolated_script_test_mac_gpu.json
+++ b/scripts/slave/recipes/chromium.expected/dynamic_swarmed_isolated_script_test_mac_gpu.json
@@ -385,9 +385,7 @@
       "slavename:TestSlavename",
       "--tag",
       "stepname:telemetry_gpu_unittests on Intel GPU on Mac on Mac-10.10",
-      "eeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
-      "--",
-      "--isolated-script-test-output=${ISOLATED_OUTDIR}/output.json"
+      "eeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
     ],
     "env": {
       "FORCE_MAC_TOOLCHAIN": "1",
@@ -470,9 +468,7 @@
       "slavename:TestSlavename",
       "--tag",
       "stepname:telemetry_gpu_unittests on NVIDIA GPU on Mac Retina on Mac-10.9",
-      "eeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
-      "--",
-      "--isolated-script-test-output=${ISOLATED_OUTDIR}/output.json"
+      "eeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
     ],
     "env": {
       "FORCE_MAC_TOOLCHAIN": "1",
@@ -516,6 +512,7 @@
     "name": "telemetry_gpu_unittests on Intel GPU on Mac on Mac-10.10",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@outdir_json@{@@@",
+      "@@@STEP_LOG_LINE@outdir_json@  \"0/chartjson-output.json\": \"{\\\"dummy\\\": \\\"dummy0\\\", \\\"charts\\\": \\\"chart0\\\"}\", @@@",
       "@@@STEP_LOG_LINE@outdir_json@  \"0/output.json\": \"{\\\"successes\\\": [\\\"test1.Test1\\\", \\\"test2.Test2\\\"], \\\"failures\\\": [], \\\"valid\\\": true, \\\"times\\\": {\\\"test2.Test2\\\": 0.1, \\\"test1.Test1\\\": 0.1}}\", @@@",
       "@@@STEP_LOG_LINE@outdir_json@  \"summary.json\": \"{\\\"shards\\\": [{\\\"internal_failure\\\": false, \\\"failure\\\": false}]}\"@@@",
       "@@@STEP_LOG_LINE@outdir_json@}@@@",
@@ -545,6 +542,7 @@
     "name": "telemetry_gpu_unittests on NVIDIA GPU on Mac Retina on Mac-10.9",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@outdir_json@{@@@",
+      "@@@STEP_LOG_LINE@outdir_json@  \"0/chartjson-output.json\": \"{\\\"dummy\\\": \\\"dummy0\\\", \\\"charts\\\": \\\"chart0\\\"}\", @@@",
       "@@@STEP_LOG_LINE@outdir_json@  \"0/output.json\": \"{\\\"successes\\\": [\\\"test1.Test1\\\", \\\"test2.Test2\\\"], \\\"failures\\\": [], \\\"valid\\\": true, \\\"times\\\": {\\\"test2.Test2\\\": 0.1, \\\"test1.Test1\\\": 0.1}}\", @@@",
       "@@@STEP_LOG_LINE@outdir_json@  \"summary.json\": \"{\\\"shards\\\": [{\\\"internal_failure\\\": false, \\\"failure\\\": false}]}\"@@@",
       "@@@STEP_LOG_LINE@outdir_json@}@@@",