cc: Remove all blimp code from cc.

cc/proto/base_conversions.h

Index: cc/proto/base_conversions.h
diff --git a/cc/proto/base_conversions.h b/cc/proto/base_conversions.h
deleted file mode 100644
index b862e3a78225df908e732903d8fcc5708af40967..0000000000000000000000000000000000000000
--- a/cc/proto/base_conversions.h
+++ /dev/null
@@ -1,21 +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.
-
-#ifndef CC_PROTO_BASE_CONVERSIONS_H_
-#define CC_PROTO_BASE_CONVERSIONS_H_
-
-#include "base/time/time.h"
-#include "cc/base/cc_export.h"
-
-namespace cc {
-
-// TODO(dtrainor): Move these to a class and make them static
-// (crbug.com/548432).
-// We should probably have a better way for sending these.
-CC_EXPORT int64_t TimeTicksToProto(base::TimeTicks ticks);
-CC_EXPORT base::TimeTicks ProtoToTimeTicks(int64_t ticks);
-
-}  // namespace cc
-
-#endif  // CC_PROTO_BASE_CONVERSIONS_H_