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..fac8035f64740f0029149f6d2cd2a449bcd50330 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
@@ -387,7 +387,8 @@
       "stepname:telemetry_gpu_unittests on Intel GPU on Mac on Mac-10.10",
       "eeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
       "--",
-      "--isolated-script-test-output=${ISOLATED_OUTDIR}/output.json"
+      "--isolated-script-test-output=${ISOLATED_OUTDIR}/output.json",
+      "--isolated-script-test-chartjson-output=${ISOLATED_OUTDIR}/chartjson-output.json"
     ],
     "env": {
       "FORCE_MAC_TOOLCHAIN": "1",
@@ -472,7 +473,8 @@
       "stepname:telemetry_gpu_unittests on NVIDIA GPU on Mac Retina on Mac-10.9",
       "eeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
       "--",
-      "--isolated-script-test-output=${ISOLATED_OUTDIR}/output.json"
+      "--isolated-script-test-output=${ISOLATED_OUTDIR}/output.json",
+      "--isolated-script-test-chartjson-output=${ISOLATED_OUTDIR}/chartjson-output.json"
     ],
     "env": {
       "FORCE_MAC_TOOLCHAIN": "1",
@@ -516,6 +518,7 @@
     "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\\\": [{\\\"entry2\\\": \\\"chart2\\\", \\\"entry1\\\": \\\"chart1\\\"}]}\", @@@",
       "@@@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 +548,7 @@
     "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\\\": [{\\\"entry2\\\": \\\"chart2\\\", \\\"entry1\\\": \\\"chart1\\\"}]}\", @@@",
       "@@@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@}@@@",