Record thread types of TaskScheduler* and CompositorTileW* threads.

Internal bug b/130928904.

Record thread types of TaskScheduler* and CompositorTileW* threads using the newly added SCHEDULER_WORKER_THREAD and COMPOSITOR_TILE_WORKER_THREAD thread type enums, respectively.

Change-Id: Id363a580a844d08a269b148967072aa9b3aaa268
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1604208
Commit-Queue: Lakshman Annadorai <lakshmana@chromium.org>
Auto-Submit: Lakshman Annadorai <lakshmana@chromium.org>
Reviewed-by: Gabriel Marin <gmx@chromium.org>
Reviewed-by: Mike Wittman <wittman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660934}

chrome/browser/metrics/perf/process_type_collector.cc

@@ -170,6 +170,12 @@ std::map<uint32_t, Thread> ProcessTypeCollector::ParseThreadTypes(
                base::StartsWith(cmd, "VizCompositorTh",
                                 base::CompareCase::SENSITIVE)) {
       thread = Thread::COMPOSITOR_THREAD;
+    } else if (base::StartsWith(cmd, "TaskScheduler",
+                                base::CompareCase::SENSITIVE)) {
+      thread = Thread::SCHEDULER_WORKER_THREAD;
+    } else if (base::StartsWith(cmd, "CompositorTileW",
+                                base::CompareCase::SENSITIVE)) {
+      thread = Thread::COMPOSITOR_TILE_WORKER_THREAD;
     }
 
     thread_types.emplace(tid, thread);

chrome/browser/metrics/perf/process_type_collector_unittest.cc

@@ -62,6 +62,8 @@ void GetExampleThreadTypeDataset(std::string* ps_output,
   10000 12107 Chrome_ChildIOT   /opt/google/chrome/chrome --type=gpu-process
   11000 12207 VizCompositorTh   /opt/google/chrome/chrome --type=gpu-process
   12103 12112 Compositor        /opt/google/chrome/chrome --type=gpu-process
+  15000 15112 TaskSchedulerFo   /opt/google/chrome/chrome --type=renderer
+  16000 16112 CompositorTileW   /opt/google/chrome/chrome --type=renderer
   12345 12456 OtherThread       /opt/google/chrome/chrome --ppapi-flash-path=...
   13456 13566 Compositor        non_chrome_exec --some-flag=foo)text";
   thread_types->insert(
@@ -74,6 +76,10 @@ void GetExampleThreadTypeDataset(std::string* ps_output,
       12207, Thread::COMPOSITOR_THREAD));
   thread_types->insert(google::protobuf::MapPair<uint32_t, Thread>(
       12112, Thread::COMPOSITOR_THREAD));
+  thread_types->insert(google::protobuf::MapPair<uint32_t, Thread>(
+      15112, Thread::SCHEDULER_WORKER_THREAD));
+  thread_types->insert(google::protobuf::MapPair<uint32_t, Thread>(
+      16112, Thread::COMPOSITOR_TILE_WORKER_THREAD));
   thread_types->insert(
       google::protobuf::MapPair<uint32_t, Thread>(12456, Thread::OTHER_THREAD));
 }