Revert of cc: Control defer_commits logic by Scheduler

cc/scheduler/commit_earlyout_reason.h

Index: cc/scheduler/commit_earlyout_reason.h
diff --git a/cc/scheduler/commit_earlyout_reason.h b/cc/scheduler/commit_earlyout_reason.h
index 14aaeb3b7d919c765f665f16de0454b43e5af9f5..b45e96f592a42d98ed49770ad89041c8ec22d881 100644
--- a/cc/scheduler/commit_earlyout_reason.h
+++ b/cc/scheduler/commit_earlyout_reason.h
@@ -12,7 +12,6 @@
 enum class CommitEarlyOutReason {
   ABORTED_OUTPUT_SURFACE_LOST,
   ABORTED_NOT_VISIBLE,
-  ABORTED_DEFERRED_COMMIT,
   FINISHED_NO_UPDATES,
 };
 
@@ -22,8 +21,6 @@
       return "CommitEarlyOutReason::ABORTED_OUTPUT_SURFACE_LOST";
     case CommitEarlyOutReason::ABORTED_NOT_VISIBLE:
       return "CommitEarlyOutReason::ABORTED_NOT_VISIBLE";
-    case CommitEarlyOutReason::ABORTED_DEFERRED_COMMIT:
-      return "CommitEarlyOutReason::ABORTED_DEFERRED_COMMIT";
     case CommitEarlyOutReason::FINISHED_NO_UPDATES:
       return "CommitEarlyOutReason::FINISHED_NO_UPDATES";
   }