Introducing SurfaceReferenceFactory

cc/surfaces/direct_surface_embedding.cc

Index: cc/surfaces/direct_surface_embedding.cc
diff --git a/cc/surfaces/direct_surface_embedding.cc b/cc/surfaces/direct_surface_embedding.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3fc70fc1d0c69a25a4caf52b4766d02622134837
--- /dev/null
+++ b/cc/surfaces/direct_surface_embedding.cc
@@ -0,0 +1,26 @@
+// Copyright 2016 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/surfaces/direct_surface_embedding.h"
+#include "cc/surfaces/surface.h"
+
+namespace cc {
+
+void DirectSurfaceEmbedding::SatisfySequence(const SurfaceSequence& seq) const {
+  std::vector<uint32_t> sequences;
+  sequences.push_back(seq.sequence);
+  manager_->DidSatisfySequences(seq.frame_sink_id, &sequences);
+}
+
+void DirectSurfaceEmbedding::RequireSequence(const SurfaceId& id,
+                                             const SurfaceSequence& seq) const {
+  auto surface = manager_->GetSurfaceForId(id);
+  if (!surface) {
+    LOG(ERROR) << "Attempting to require callback on nonexistent surface";
+    return;
+  }
+  surface->AddDestructionDependency(seq);
+}
+
+}  // namespace cc