Added serialization to protobufs for property trees.

cc/proto/gfx_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_GFX_CONVERSIONS_H_
 #define CC_PROTO_GFX_CONVERSIONS_H_
 
 #include "cc/base/cc_export.h"
 
 namespace gfx {
 class Point;
 class PointF;
 class Rect;
 class RectF;
+class ScrollOffset;
 class Size;
 class SizeF;
 class Transform;
+class Vector2dF;
 }
 
 namespace cc {
 
 namespace proto {
 class Point;
 class PointF;
 class Rect;
 class RectF;
+class ScrollOffset;
 class Size;
 class SizeF;
 class Transform;
+class Vector2dF;
 }
 
 // TODO(dtrainor): Move these to a class and make them static
 // (crbug.com/548432).
 CC_EXPORT void PointToProto(const gfx::Point& point, proto::Point* proto);
 CC_EXPORT gfx::Point ProtoToPoint(const proto::Point& proto);
 
 CC_EXPORT void PointFToProto(const gfx::PointF& point, proto::PointF* proto);
 CC_EXPORT gfx::PointF ProtoToPointF(const proto::PointF& proto);
 
 CC_EXPORT void RectToProto(const gfx::Rect& rect, proto::Rect* proto);
 CC_EXPORT gfx::Rect ProtoToRect(const proto::Rect& proto);
 
 CC_EXPORT void RectFToProto(const gfx::RectF& rect, proto::RectF* proto);
 CC_EXPORT gfx::RectF ProtoToRectF(const proto::RectF& proto);
 
 CC_EXPORT void SizeToProto(const gfx::Size& size, proto::Size* proto);
 CC_EXPORT gfx::Size ProtoToSize(const proto::Size& proto);
 
 CC_EXPORT void SizeFToProto(const gfx::SizeF& size, proto::SizeF* proto);
 CC_EXPORT gfx::SizeF ProtoToSizeF(const proto::SizeF& proto);
 
 CC_EXPORT void TransformToProto(const gfx::Transform& transform,
                                 proto::Transform* proto);
 CC_EXPORT gfx::Transform ProtoToTransform(const proto::Transform& proto);
 
+CC_EXPORT void Vector2dFToProto(const gfx::Vector2dF& vector,
+                                proto::Vector2dF* proto);
+CC_EXPORT gfx::Vector2dF ProtoToVector2dF(const proto::Vector2dF& proto);
+
+CC_EXPORT void ScrollOffsetToProto(const gfx::ScrollOffset& scroll_offset,
+                                   proto::ScrollOffset* proto);
+CC_EXPORT gfx::ScrollOffset ProtoToScrollOffset(
+    const proto::ScrollOffset& proto);
+
 }  // namespace cc
 
 #endif  // CC_PROTO_GFX_CONVERSIONS_H_