Ozone integration.

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

Index: ui/ozone/platform/drm/host/drm_display_host.h
diff --git a/ui/ozone/platform/drm/host/drm_display_host.h b/ui/ozone/platform/drm/host/drm_display_host.h
new file mode 100644
index 0000000000000000000000000000000000000000..b6c09bfaebc844bfa93598ac62a989c70b2f1d87
--- /dev/null
+++ b/ui/ozone/platform/drm/host/drm_display_host.h
@@ -0,0 +1,67 @@
+// 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.
+
+#ifndef UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_
+#define UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "ui/display/types/display_constants.h"
+#include "ui/display/types/native_display_delegate.h"
+#include "ui/ozone/platform/drm/host/channel_observer.h"
+
+namespace ui {
+
+struct DisplaySnapshot_Params;
+class DisplaySnapshot;
+class DrmGpuPlatformSupportHost;
+
+class DrmDisplayHost : public ChannelObserver {
+ public:
+  DrmDisplayHost(DrmGpuPlatformSupportHost* sender,
+                 const DisplaySnapshot_Params& params,
+                 bool is_dummy);
+  ~DrmDisplayHost() override;
+
+  DisplaySnapshot* snapshot() const { return snapshot_.get(); }
+
+  void UpdateDisplaySnapshot(const DisplaySnapshot_Params& params);
+  void Configure(const DisplayMode* mode,
+                 const gfx::Point& origin,
+                 const ConfigureCallback& callback);
+  void GetHDCPState(const GetHDCPStateCallback& callback);
+  void SetHDCPState(HDCPState state, const SetHDCPStateCallback& callback);
+  void SetGammaRamp(const std::vector<GammaRampRGBEntry>& lut);
+
+  // Called when the IPC from the GPU process arrives to answer the above
+  // commands.
+  void OnDisplayConfigured(bool status);
+  void OnHDCPStateReceived(bool status, HDCPState state);
+  void OnHDCPStateUpdated(bool status);
+
+  // ChannelObserver:
+  void OnChannelEstablished() override;
+  void OnChannelDestroyed() override;
+
+ private:
+  // Calls all the callbacks with failure.
+  void ClearCallbacks();
+
+  DrmGpuPlatformSupportHost* sender_;  // Not owned.
+
+  scoped_ptr<DisplaySnapshot> snapshot_;
+
+  // Used during startup to signify that any display configuration should be
+  // synchronous and succeed.
+  bool is_dummy_;
+
+  ConfigureCallback configure_callback_;
+  GetHDCPStateCallback get_hdcp_callback_;
+  SetHDCPStateCallback set_hdcp_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(DrmDisplayHost);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_