Enable loading.desktop on histogram FYI bot

Bug: 744736
Change-Id: Ibd0bd94b8e6a481892fcd968839da667c5746ca2
Reviewed-on: https://chromium-review.googlesource.com/782360Reviewed-by: Simon Hatch <simonhatch@chromium.org>
Reviewed-by: Emily Hanley <eyaich@chromium.org>
Commit-Queue: Simon Hatch <simonhatch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#518456}

testing/buildbot/chromium.perf.fyi.json

@@ -50,6 +50,54 @@
           "ignore_task_failure": false,
           "io_timeout": 3600
         }
+      },
+      {
+        "args": [
+          "loading.desktop",
+          "-v",
+          "--upload-results",
+          "--output-format=histograms",
+          "--output-format=json-test-results",
+          "--browser=release",
+          "--xvfb",
+          "--also-run-disabled-tests"
+        ],
+        "isolate_name": "telemetry_perf_tests",
+        "name": "loading.desktop",
+        "override_compile_targets": [
+          "telemetry_perf_tests"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "expiration": 36000,
+          "hard_timeout": 10800,
+          "ignore_task_failure": false,
+          "io_timeout": 3600
+        }
+      },
+      {
+        "args": [
+          "loading.desktop",
+          "-v",
+          "--upload-results",
+          "--output-format=histograms",
+          "--output-format=json-test-results",
+          "--browser=reference",
+          "--xvfb",
+          "--also-run-disabled-tests"
+        ],
+        "isolate_name": "telemetry_perf_tests",
+        "name": "loading.desktop.reference",
+        "override_compile_targets": [
+          "telemetry_perf_tests"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "expiration": 36000,
+          "hard_timeout": 10800,
+          "ignore_task_failure": false,
+          "io_timeout": 3600
+        }
       }
     ]
   },

tools/perf/chromium.perf.fyi.extras.json

@@ -78,6 +78,54 @@
           "ignore_task_failure": false,
           "io_timeout": 3600
         }
+      },
+      {
+        "args": [
+          "loading.desktop",
+          "-v",
+          "--upload-results",
+          "--output-format=histograms",
+          "--output-format=json-test-results",
+          "--browser=release",
+          "--xvfb",
+          "--also-run-disabled-tests"
+        ],
+        "isolate_name": "telemetry_perf_tests",
+        "name": "loading.desktop",
+        "override_compile_targets": [
+          "telemetry_perf_tests"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "expiration": 36000,
+          "hard_timeout": 10800,
+          "ignore_task_failure": false,
+          "io_timeout": 3600
+        }
+      },
+      {
+        "args": [
+          "loading.desktop",
+          "-v",
+          "--upload-results",
+          "--output-format=histograms",
+          "--output-format=json-test-results",
+          "--browser=reference",
+          "--xvfb",
+          "--also-run-disabled-tests"
+        ],
+        "isolate_name": "telemetry_perf_tests",
+        "name": "loading.desktop.reference",
+        "override_compile_targets": [
+          "telemetry_perf_tests"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "expiration": 36000,
+          "hard_timeout": 10800,
+          "ignore_task_failure": false,
+          "io_timeout": 3600
+        }
       }
     ]
   },