Centralize all gbm ozone host IPC

ui/ozone/platform/drm/host/drm_overlay_manager_core.h

Index: ui/ozone/platform/drm/host/drm_overlay_manager_core.h
diff --git a/ui/ozone/platform/drm/host/drm_overlay_manager_core.h b/ui/ozone/platform/drm/host/drm_overlay_manager_core.h
deleted file mode 100644
index c76ad4970a3f77e82e41500ce3e8b8b1436d1348..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/drm/host/drm_overlay_manager_core.h
+++ /dev/null
@@ -1,78 +0,0 @@
-// 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.
-
-#ifndef UI_OZONE_PLATFORM_DRM_HOST_DRM_OVERLAY_MANAGER_CORE_H_
-#define UI_OZONE_PLATFORM_DRM_HOST_DRM_OVERLAY_MANAGER_CORE_H_
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/containers/mru_cache.h"
-#include "base/macros.h"
-#include "base/memory/scoped_vector.h"
-#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
-#include "ui/ozone/public/overlay_candidates_ozone.h"
-#include "ui/ozone/public/overlay_manager_ozone.h"
-
-namespace ui {
-class DrmWindowHostManager;
-
-// Pluggable sender proxy abstract base class.
-class DrmOverlayManagerProxy {
- public:
-  virtual ~DrmOverlayManagerProxy();
-  virtual bool IsConnected() = 0;
-  virtual bool CheckOverlayCapabilities(
-      gfx::AcceleratedWidget widget,
-      const std::vector<OverlayCheck_Params>& new_params) = 0;
-  virtual void UnregisterHandler() = 0;
-  virtual void RegisterHandler() = 0;
-};
-
-// This is the core functionality of DrmOverlayManager where the
-// communication with the GPU thread is via a pluggable proxy.
-class DrmOverlayManagerCore : public OverlayManagerOzone {
- public:
-  DrmOverlayManagerCore(DrmOverlayManagerProxy* proxy,
-                        DrmWindowHostManager* window_manager);
-  ~DrmOverlayManagerCore() override;
-
-  // OverlayManagerOzone:
-  scoped_ptr<OverlayCandidatesOzone> CreateOverlayCandidates(
-      gfx::AcceleratedWidget w) override;
-
-  void ResetCache();
-  void GpuSentOverlayResult(gfx::AcceleratedWidget widget,
-                            const std::vector<OverlayCheck_Params>& params);
-
-  void CheckOverlaySupport(
-      OverlayCandidatesOzone::OverlaySurfaceCandidateList* candidates,
-      gfx::AcceleratedWidget widget);
-
- private:
-  void SendOverlayValidationRequest(
-      const std::vector<OverlayCheck_Params>& new_params,
-      gfx::AcceleratedWidget widget) const;
-  bool CanHandleCandidate(
-      const OverlayCandidatesOzone::OverlaySurfaceCandidate& candidate,
-      gfx::AcceleratedWidget widget) const;
-
-  bool is_supported_;
-  DrmOverlayManagerProxy* proxy_;         // Not owned.
-  DrmWindowHostManager* window_manager_;  // Not owned.
-
-  // List of all OverlayCheck_Params which have been validated in GPU side.
-  // Value is set to true if we are waiting for validation results from GPU.
-  base::MRUCacheBase<std::vector<OverlayCheck_Params>,
-                     bool,
-                     base::MRUCacheNullDeletor<bool>>
-      cache_;
-
-  DISALLOW_COPY_AND_ASSIGN(DrmOverlayManagerCore);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_DRM_HOST_DRM_OVERLAY_MANAGER_CORE_H_