cc: Make visible rect computation aware of pixel-moving filters

cc/trees/property_tree_unittest.cc

 // Copyright 2014 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/trees/property_tree.h"
 
+#include "base/memory/ptr_util.h"
 #include "cc/input/main_thread_scrolling_reason.h"
 #include "cc/proto/property_tree.pb.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/trees/clip_node.h"
 #include "cc/trees/draw_property_utils.h"
 #include "cc/trees/effect_node.h"
 #include "cc/trees/scroll_node.h"
 #include "cc/trees/transform_node.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 102 matching lines @@
   original.resets_clip = false;
 
   proto::TreeNode proto;
   original.ToProtobuf(&proto);
   ClipNode result;
   result.FromProtobuf(proto);
 
   EXPECT_EQ(original, result);
 }
 
+TEST(PropertyTreeSerializationTest, ClipNodeWithExpanderSerialization) {
+  ClipNode original;
+  original.id = 3;
+  original.parent_id = 2;
+  original.owner_id = 4;
+  original.clip = gfx::RectF(0.5f, 0.5f);
+  original.combined_clip_in_target_space = gfx::RectF(0.6f, 0.6f);
+  original.clip_in_target_space = gfx::RectF(0.7f, 0.7f);
+  original.transform_id = 2;
+  original.target_transform_id = 3;
+  original.target_effect_id = 4;
+  original.clip_type = ClipNode::ClipType::EXPANDS_CLIP;
+  original.clip_expander =
+      base::MakeUnique<ClipExpander>(ClipExpander::ExpanderType::FILTER, 8);
+  original.layer_clipping_uses_only_local_clip = false;
+  original.target_is_clipped = false;
+  original.layers_are_clipped = false;
+  original.layers_are_clipped_when_surfaces_disabled = false;
+  original.resets_clip = false;
+
+  proto::TreeNode proto;
+  original.ToProtobuf(&proto);
+  ClipNode result;
+  result.FromProtobuf(proto);
+
+  EXPECT_EQ(original, result);
+}
+
 TEST(PropertyTreeSerializationTest, ClipTreeSerialization) {
   ClipTree original;
   ClipNode& root = *original.Node(0);
   root.owner_id = 1;
   root.transform_id = 2;
   root.target_transform_id = 1;
   root.target_effect_id = 1;
   ClipNode second;
   second.owner_id = 2;
   second.transform_id = 4;
@@ skipping 882 matching lines @@
 
 DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
     PropertyTreeTestSingularTransformSnapTest);
 
 #undef DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F
 #undef SERIALIZED_PROPERTY_TREE_TEST_F
 #undef DIRECT_PROPERTY_TREE_TEST_F
 
 }  // namespace
 }  // namespace cc