Add Protobuf support for cc/playback skia usage

cc/proto/skia_conversions_unittest.cc

+// 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.
+
+#include "cc/proto/skia_conversions.h"
+
+#include "cc/proto/skregion.pb.h"
+#include "cc/proto/skrrect.pb.h"
+#include "cc/proto/skxfermode.pb.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkRRect.h"
+#include "third_party/skia/include/core/SkRegion.h"
+#include "third_party/skia/include/core/SkXfermode.h"
+
+namespace cc {
+namespace {
+
+TEST(SkiaProtoConversionsTest, SerializeDeserializeSkRegionOp) {
+  for (size_t i = 0; i < SkRegion::Op::kLastOp; i++) {
+    SkRegion::Op op = static_cast<SkRegion::Op>(i);
+    EXPECT_EQ(op, SkRegionOpFromProto(SkRegionOpToProto(op)));

[vmpstr, 2015/10/21 21:58:53]

Thanks for this test :) But I did manually check everything seems to match!

[David Trainor- moved to gerrit, 2015/10/23 15:40:51]

Acknowledged.

+  }
+}
+
+TEST(SkiaProtoConversionsTest, SerializeDeserializeSkXfermodeMode) {
+  for (size_t i = 0; i < SkXfermode::Mode::kLastMode; i++) {
+    SkXfermode::Mode mode = static_cast<SkXfermode::Mode>(i);
+    EXPECT_EQ(mode, SkXfermodeModeFromProto(SkXfermodeModeToProto(mode)));
+  }
+}
+
+TEST(SkiaProtoConversionsTest, SerializeDeserializeSkRRect) {
+  SkRect rect = SkRect::MakeXYWH(0, 10, 15, 20);
+  SkVector radii[4];
+  radii[0] = SkVector::Make(0.1f, 0.2f);
+  radii[1] = SkVector::Make(0.3f, 0.4f);
+  radii[2] = SkVector::Make(0.5f, 0.6f);
+  radii[3] = SkVector::Make(0.7f, 0.8f);
+
+  SkRRect rrect;
+  rrect.setRectRadii(rect, radii);
+
+  // Test RRectToProto
+  proto::SkRRect proto;
+  SkRRectToProto(rrect, &proto);
+  EXPECT_EQ(rrect.rect().x(), proto.rect().origin().x());
+  EXPECT_EQ(rrect.rect().y(), proto.rect().origin().y());
+  EXPECT_EQ(rrect.rect().width(), proto.rect().size().width());
+  EXPECT_EQ(rrect.rect().height(), proto.rect().size().height());
+
+  EXPECT_EQ(rrect.radii(SkRRect::kUpperLeft_Corner).x(),
+            proto.radii_upper_left().x());
+  EXPECT_EQ(rrect.radii(SkRRect::kUpperLeft_Corner).y(),
+            proto.radii_upper_left().y());
+  EXPECT_EQ(rrect.radii(SkRRect::kUpperRight_Corner).x(),
+            proto.radii_upper_right().x());
+  EXPECT_EQ(rrect.radii(SkRRect::kUpperRight_Corner).y(),
+            proto.radii_upper_right().y());
+  EXPECT_EQ(rrect.radii(SkRRect::kLowerRight_Corner).x(),
+            proto.radii_lower_right().x());
+  EXPECT_EQ(rrect.radii(SkRRect::kLowerRight_Corner).y(),
+            proto.radii_lower_right().y());
+  EXPECT_EQ(rrect.radii(SkRRect::kLowerLeft_Corner).x(),
+            proto.radii_lower_left().x());
+  EXPECT_EQ(rrect.radii(SkRRect::kLowerLeft_Corner).y(),
+            proto.radii_lower_left().y());
+
+  // Test ProtoToRRect
+  EXPECT_EQ(rrect, ProtoToSkRRect(proto));
+}
+
+}  // namespace
+}  // namespace cc