cc/blimp: Proto Cleanup.

cc/proto/commit_earlyout_reason.proto

Index: cc/proto/commit_earlyout_reason.proto
diff --git a/cc/proto/commit_earlyout_reason.proto b/cc/proto/commit_earlyout_reason.proto
deleted file mode 100644
index 092fbd34b437276056e0b42fbb560bb3f57c74ea..0000000000000000000000000000000000000000
--- a/cc/proto/commit_earlyout_reason.proto
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-syntax = "proto2";
-
-option optimize_for = LITE_RUNTIME;
-
-package cc.proto;
-
-message CommitEarlyOutReason {
-  enum Reason {
-    ABORTED_COMPOSITOR_FRAME_SINK_LOST = 1;
-    ABORTED_NOT_VISIBLE = 2;
-    ABORTED_DEFERRED_COMMIT = 3;
-    FINISHED_NO_UPDATES = 4;
-  }
-
-  optional Reason reason = 1;
-}