Move components/display_compositor to components/viz/display_compositor

components/display_compositor/compositor_overlay_candidate_validator_mac.mm

-// Copyright 2015 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 "components/display_compositor/compositor_overlay_candidate_validator_mac.h"
-
-#include <stddef.h>
-
-namespace display_compositor {
-
-CompositorOverlayCandidateValidatorMac::CompositorOverlayCandidateValidatorMac(
-    bool ca_layer_disabled)
-    : software_mirror_active_(false), ca_layer_disabled_(ca_layer_disabled) {}
-
-CompositorOverlayCandidateValidatorMac::
-    ~CompositorOverlayCandidateValidatorMac() {}
-
-void CompositorOverlayCandidateValidatorMac::GetStrategies(
-    cc::OverlayProcessor::StrategyList* strategies) {}
-
-bool CompositorOverlayCandidateValidatorMac::AllowCALayerOverlays() {
-  return !ca_layer_disabled_ && !software_mirror_active_;
-}
-
-bool CompositorOverlayCandidateValidatorMac::AllowDCLayerOverlays() {
-  return false;
-}
-
-void CompositorOverlayCandidateValidatorMac::CheckOverlaySupport(
-    cc::OverlayCandidateList* surfaces) {}
-
-void CompositorOverlayCandidateValidatorMac::SetSoftwareMirrorMode(
-    bool enabled) {
-  software_mirror_active_ = enabled;
-}
-
-}  // namespace display_compositor