display_compositor: Move CompositorOverlayCandidateValidator from content.

content/browser/compositor/browser_compositor_overlay_candidate_validator_mac.mm

Index: content/browser/compositor/browser_compositor_overlay_candidate_validator_mac.mm
diff --git a/content/browser/compositor/browser_compositor_overlay_candidate_validator_mac.mm b/content/browser/compositor/browser_compositor_overlay_candidate_validator_mac.mm
deleted file mode 100644
index c6822d9bcb63e47f25ff730a20c9b51ce873e3ea..0000000000000000000000000000000000000000
--- a/content/browser/compositor/browser_compositor_overlay_candidate_validator_mac.mm
+++ /dev/null
@@ -1,36 +0,0 @@
-// 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 "content/browser/compositor/browser_compositor_overlay_candidate_validator_mac.h"
-
-#include <stddef.h>
-
-namespace content {
-
-BrowserCompositorOverlayCandidateValidatorMac::
-    BrowserCompositorOverlayCandidateValidatorMac(bool ca_layer_disabled)
-    : software_mirror_active_(false), ca_layer_disabled_(ca_layer_disabled) {}
-
-BrowserCompositorOverlayCandidateValidatorMac::
-    ~BrowserCompositorOverlayCandidateValidatorMac() {
-}
-
-void BrowserCompositorOverlayCandidateValidatorMac::GetStrategies(
-    cc::OverlayProcessor::StrategyList* strategies) {
-}
-
-bool BrowserCompositorOverlayCandidateValidatorMac::AllowCALayerOverlays() {
-  return !ca_layer_disabled_ && !software_mirror_active_;
-}
-
-void BrowserCompositorOverlayCandidateValidatorMac::CheckOverlaySupport(
-    cc::OverlayCandidateList* surfaces) {
-}
-
-void BrowserCompositorOverlayCandidateValidatorMac::SetSoftwareMirrorMode(
-    bool enabled) {
-  software_mirror_active_ = enabled;
-}
-
-}  // namespace content