cc: Remove ScheduleOnOriginThread() and CompleteOnOriginThread().

cc/raster/task_graph_runner.cc

Index: cc/raster/task_graph_runner.cc
diff --git a/cc/raster/task_graph_runner.cc b/cc/raster/task_graph_runner.cc
index 4f1af43ad43901309131886aa2dd6d5c6de1343a..e05f337210a8066c8ac3ca62e63dde6e51a1fc83 100644
--- a/cc/raster/task_graph_runner.cc
+++ b/cc/raster/task_graph_runner.cc
@@ -13,7 +13,8 @@
 
 namespace cc {
 
-Task::Task() : will_run_(false), did_run_(false) {}
+Task::Task()
+    : type_id_(kDefaultTaskTypeId), will_run_(false), did_run_(false) {}
 
 Task::~Task() {
   DCHECK(!will_run_);
@@ -35,6 +36,14 @@ bool Task::HasFinishedRunning() const {
   return did_run_;
 }
 
+TaskTypeId Task::GetTaskTypeId() {
+  return type_id_;
+}
+
+void Task::SetTaskTypeId(TaskTypeId type_id) {
+  type_id_ = type_id;
+}
+
 TaskGraph::TaskGraph() {}
 
 TaskGraph::TaskGraph(const TaskGraph& other) = default;