Enable metal webgl testing on ANGLE/optional/FYI Mac bots

We should enable webgl testing on these bots:
Optional CQ - Intel and AMD
ANGLE CQ - Intel and AMD
FYI - Intel, AMD, NVIDIA and ASAN

Bug: angleproject:4846
Change-Id: I6368808a15afcd4588676892cb8bf47c0da6b085
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2302930
Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799375}

testing/buildbot/chromium.mac.json

@@ -18935,6 +18935,37 @@
         },
         "test_id_prefix": "ninja://chrome/test:telemetry_gpu_integration_test/"
       },
+      {
+        "args": [
+          "webgl_conformance",
+          "--show-stdout",
+          "--browser=release",
+          "--passthrough",
+          "-v",
+          "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc --use-gl=angle --use-angle=metal --use-cmd-decoder=passthrough --force_high_performance_gpu",
+          "--read-abbreviated-json-results-from=../../content/test/data/gpu/webgl_conformance_tests_output.json"
+        ],
+        "isolate_name": "telemetry_gpu_integration_test",
+        "merge": {
+          "args": [],
+          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
+        },
+        "name": "webgl_conformance_metal_passthrough_tests",
+        "should_retry_with_patch": false,
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "gpu": "8086:0a2e",
+              "os": "Mac-10.15.5"
+            }
+          ],
+          "idempotent": false,
+          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
+          "shards": 3
+        },
+        "test_id_prefix": "ninja://chrome/test:telemetry_gpu_integration_test/"
+      },
       {
         "args": [
           "webgl_conformance",

testing/buildbot/test_suites.pyl

@@ -3029,6 +3029,23 @@
       },
     },
 
+    'gpu_webgl_conformance_metal_passthrough_telemetry_tests': {
+      'webgl_conformance_metal_passthrough': {
+        'telemetry_test_name': 'webgl_conformance',
+        'args': [
+          # On dual-GPU devices we want the high-performance GPU to be active
+          '--extra-browser-args=--use-gl=angle --use-angle=metal --use-cmd-decoder=passthrough --force_high_performance_gpu',
+          # The current working directory when run via isolate is
+          # out/Debug or out/Release. Reference this file relatively to
+          # it.
+          '--read-abbreviated-json-results-from=../../content/test/data/gpu/webgl_conformance_tests_output.json',
+        ],
+        'swarming': {
+          'shards': 3,
+        },
+      },
+    },
+
     'gpu_webgl_conformance_swangle_passthrough_representative_telemetry_tests': {
       'webgl_conformance_swangle_passthrough': {
         'telemetry_test_name': 'webgl_conformance',
@@ -4943,6 +4960,7 @@
       'gpu_webgl2_conformance_telemetry_tests',
       'gpu_webgl_conformance_telemetry_tests',
       'gpu_webgl_conformance_gl_passthrough_telemetry_tests',
+      'gpu_webgl_conformance_metal_passthrough_telemetry_tests',
       'gpu_webgl_conformance_swangle_passthrough_representative_telemetry_tests',
     ],
 
@@ -5161,6 +5179,17 @@
       'gpu_swiftshader_gtests',
     ],
 
+    'gpu_fyi_mac_pro_release_telemetry_tests': [
+      'gpu_common_and_optional_telemetry_tests',
+      'gpu_passthrough_telemetry_tests',
+      'gpu_validating_telemetry_tests',
+      'gpu_webgl2_conformance_gl_passthrough_telemetry_tests',
+      'gpu_webgl2_conformance_validating_telemetry_tests',
+      'gpu_webgl_conformance_gl_passthrough_telemetry_tests',
+      'gpu_webgl_conformance_validating_telemetry_tests',
+      'gpu_webgl_conformance_swangle_passthrough_representative_telemetry_tests',
+    ],
+
     'gpu_fyi_mac_release_gtests': [
       'gpu_angle_end2end_gtests',
       'gpu_angle_unit_gtests',
@@ -5180,6 +5209,7 @@
       'gpu_webgl2_conformance_gl_passthrough_telemetry_tests',
       'gpu_webgl2_conformance_validating_telemetry_tests',
       'gpu_webgl_conformance_gl_passthrough_telemetry_tests',
+      'gpu_webgl_conformance_metal_passthrough_telemetry_tests',
       'gpu_webgl_conformance_validating_telemetry_tests',
       'gpu_webgl_conformance_swangle_passthrough_representative_telemetry_tests',
     ],
@@ -5195,6 +5225,7 @@
       'gpu_passthrough_telemetry_tests',
       'gpu_webgl2_conformance_validating_telemetry_tests',
       'gpu_webgl_conformance_gl_passthrough_telemetry_tests',
+      'gpu_webgl_conformance_metal_passthrough_telemetry_tests',
       'gpu_webgl_conformance_swangle_passthrough_representative_telemetry_tests',
       # Not currently running
       # gpu_webgl2_conformance_gl_passthrough_telemetry_tests here due

testing/buildbot/waterfalls.pyl

@@ -3677,7 +3677,7 @@
         ],
         'test_suites': {
           'gtest_tests': 'gpu_fyi_mac_release_gtests',
-          'gpu_telemetry_tests': 'gpu_fyi_mac_release_telemetry_tests',
+          'gpu_telemetry_tests': 'gpu_fyi_mac_pro_release_telemetry_tests',
         },
       },
       # BEGIN Fake builder used as mirror targets for Optional GPU tryservers