cc: Remove ScheduleOnOriginThread() and CompleteOnOriginThread().

cc/raster/tile_task.cc

Index: cc/raster/tile_task.cc
diff --git a/cc/raster/tile_task.cc b/cc/raster/tile_task.cc
index 4010640a03c44ccae104e4a3c18baa3f58d4330b..87163164cf14ea01d54fc1d509b9c214aa8c11bc 100644
--- a/cc/raster/tile_task.cc
+++ b/cc/raster/tile_task.cc
@@ -9,48 +9,13 @@
 namespace cc {
 
 TileTask::TileTask(bool supports_concurrent_execution)
-    : supports_concurrent_execution_(supports_concurrent_execution),
-      did_schedule_(false),
-      did_complete_(false) {}
+    : supports_concurrent_execution_(supports_concurrent_execution) {}
 
 TileTask::TileTask(bool supports_concurrent_execution,
                    TileTask::Vector* dependencies)
     : supports_concurrent_execution_(supports_concurrent_execution),
-      dependencies_(std::move(*dependencies)),
-      did_schedule_(false),
-      did_complete_(false) {}
-
-TileTask::~TileTask() {
-  DCHECK(!did_schedule_);
-  DCHECK(!state().IsFinished() || did_complete_);
-}
-
-void TileTask::WillSchedule() {
-  DCHECK(!did_schedule_);
-}
-
-void TileTask::DidSchedule() {
-  did_schedule_ = true;
-  did_complete_ = false;
-}
-
-bool TileTask::HasBeenScheduled() const {
-  return did_schedule_;
-}
-
-void TileTask::WillComplete() {
-  DCHECK(!did_complete_);
-}
-
-void TileTask::DidComplete() {
-  DCHECK(did_schedule_);
-  DCHECK(!did_complete_);
-  did_schedule_ = false;
-  did_complete_ = true;
-}
+      dependencies_(std::move(*dependencies)) {}
 
-bool TileTask::HasCompleted() const {
-  return did_complete_;
-}
+TileTask::~TileTask() {}
 
 }  // namespace cc