WIP BSP Tree for 3D Layer Sorting

cc/output/bsp_walk_action.cc

Index: cc/output/bsp_walk_action.cc
diff --git a/cc/output/bsp_walk_action.cc b/cc/output/bsp_walk_action.cc
new file mode 100644
index 0000000000000000000000000000000000000000..da5ada5a82aa3bd5504f4f8e681b9fcd171b7437
--- /dev/null
+++ b/cc/output/bsp_walk_action.cc
@@ -0,0 +1,23 @@
+// 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/output/bsp_walk_action.h"
+
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/output/direct_renderer.h"
+#include "cc/quads/draw_polygon.h"
+
+namespace cc {
+
+void BspWalkActionToVector::operator()(DrawPolygon* item) {
+  list_->push_back(item);
+}
+
+BspWalkActionToVector::BspWalkActionToVector(std::vector<DrawPolygon*>* in_list)
+    : list_(in_list) {
+}
+
+}  // namespace cc