Revert of Optimize for TouchStart responsiveness

components/scheduler/renderer/renderer_scheduler.cc

Index: components/scheduler/renderer/renderer_scheduler.cc
diff --git a/components/scheduler/renderer/renderer_scheduler.cc b/components/scheduler/renderer/renderer_scheduler.cc
index 20d663437a961ce27d4ff5dd8bc90dc52a13247f..70459bff292d69176ae2eb6c1043ab520b1f7c49 100644
--- a/components/scheduler/renderer/renderer_scheduler.cc
+++ b/components/scheduler/renderer/renderer_scheduler.cc
@@ -34,37 +34,4 @@
       SchedulerTaskRunnerDelegateImpl::Create(message_loop)));
 }
 
-// static
-const char* RendererScheduler::UseCaseToString(UseCase use_case) {
-  switch (use_case) {
-    case UseCase::NONE:
-      return "none";
-    case UseCase::COMPOSITOR_GESTURE:
-      return "compositor_gesture";
-    case UseCase::MAIN_THREAD_GESTURE:
-      return "main_thread_gesture";
-    case UseCase::TOUCHSTART:
-      return "touchstart";
-    case UseCase::LOADING:
-      return "loading";
-    default:
-      NOTREACHED();
-      return nullptr;
-  }
-}
-
-// static
-const char* RendererScheduler::InputEventStateToString(
-    InputEventState input_event_state) {
-  switch (input_event_state) {
-    case InputEventState::EVENT_CONSUMED_BY_COMPOSITOR:
-      return "event_consumed_by_compositor";
-    case InputEventState::EVENT_FORWARDED_TO_MAIN_THREAD:
-      return "event_forwarded_to_main_thread";
-    default:
-      NOTREACHED();
-      return nullptr;
-  }
-}
-
 }  // namespace scheduler