Remove ClipPathDisplayItem::clip_op_

cc/proto/skia_conversions.h

 // Copyright 2015 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_SKIA_CONVERSIONS_H_
 #define CC_PROTO_SKIA_CONVERSIONS_H_
 
 #include "cc/base/cc_export.h"
 #include "cc/proto/skclipop.pb.h"
 #include "cc/proto/skxfermode.pb.h"
 #include "third_party/skia/include/core/SkBlendMode.h"
 #include "third_party/skia/include/core/SkClipOp.h"
 
 class SkRRect;
 
 namespace cc {
 
 namespace proto {
 class SkRRect;
 }
 
 // TODO(dtrainor): Move these to a class and make them static
 // (crbug.com/548432).
-CC_EXPORT SkClipOp SkClipOpFromProto(proto::SkClipOp::Op op);
-CC_EXPORT proto::SkClipOp::Op SkClipOpToProto(SkClipOp op);
-
 CC_EXPORT SkBlendMode SkXfermodeModeFromProto(proto::SkXfermode::Mode mode);
 CC_EXPORT proto::SkXfermode::Mode SkXfermodeModeToProto(SkBlendMode mode);
 
 CC_EXPORT void SkRRectToProto(const SkRRect& rect, proto::SkRRect* proto);
 CC_EXPORT SkRRect ProtoToSkRRect(const proto::SkRRect& proto);
 
 }  // namespace cc
 
 #endif  // CC_PROTO_SKIA_CONVERSIONS_H_