1 files changed, 44 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/graphics/paint/paint_chunk_properties.cc b/chromium/third_party/blink/renderer/platform/graphics/paint/paint_chunk_properties.cc
new file mode 100644
index 00000000000..c3d59636b88
--- /dev/null
+++ b/chromium/third_party/blink/renderer/platform/graphics/paint/paint_chunk_properties.cc
@@ -0,0 +1,44 @@
+// Copyright 2017 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 "third_party/blink/renderer/platform/graphics/paint/paint_chunk_properties.h"
+
+#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
+
+namespace blink {
+
+String PaintChunkProperties::ToString() const {
+  StringBuilder sb;
+  if (property_tree_state.Transform()) {
+    sb.Append("transform=(");
+    sb.Append(property_tree_state.Transform()->ToString());
+    sb.Append(")");
+  }
+  if (property_tree_state.Clip()) {
+    if (sb.length())
+      sb.Append(", ");
+    sb.Append("clip=(");
+    sb.Append(property_tree_state.Clip()->ToString());
+    sb.Append(")");
+  }
+  if (property_tree_state.Effect()) {
+    if (sb.length())
+      sb.Append(", ");
+    sb.Append("effect=(");
+    sb.Append(property_tree_state.Effect()->ToString());
+    sb.Append(")");
+  }
+  if (sb.length())
+    sb.Append(", ");
+  sb.Append("backface_hidden=");
+  sb.Append(backface_hidden ? "1" : "0");
+  return sb.ToString();
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const PaintChunkProperties& properties) {
+  return os << properties.ToString().Utf8().data();
+}
+
+}  // namespace blink