Start of hardware overlay support in CC with Ubercompositor.

cc/output/overlay_candidates.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/output/overlay_candidates.h"
+
+namespace cc {
+
+OverlayCandidates::OverlaySurfaceCandidate::OverlaySurfaceCandidate()
+    : transform(NONE),
+      format(RGBA_8888),
+      crop_rect(0, 0, 1, 1),
+      overlay_handled(false) {}
+
+OverlayCandidates::OverlaySurfaceCandidate::~OverlaySurfaceCandidate() {}
+
+void OverlayCandidates::CheckOverlaySupport(
+    OverlaySurfaceCandidateList* surfaces) {
+  NOTREACHED();
+}
+
+OverlayCandidates::~OverlayCandidates() {}
+
+}  // namespace cc