Fix namespace for src/ui/display/.

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

 // 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 <memory>
 
 #include "base/macros.h"
 #include "ui/display/types/display_constants.h"
 #include "ui/display/types/native_display_delegate.h"
 #include "ui/ozone/platform/drm/host/gpu_thread_observer.h"
 
+namespace display {
+class DisplaySnapshot;
+}
+
 namespace ui {
 
 struct DisplaySnapshot_Params;
-class DisplaySnapshot;
 class GpuThreadAdapter;
 
 class DrmDisplayHost : public GpuThreadObserver {
  public:
   DrmDisplayHost(GpuThreadAdapter* sender,
                  const DisplaySnapshot_Params& params,
                  bool is_dummy);
   ~DrmDisplayHost() override;
 
-  DisplaySnapshot* snapshot() const { return snapshot_.get(); }
+  display::DisplaySnapshot* snapshot() const { return snapshot_.get(); }
 
   void UpdateDisplaySnapshot(const DisplaySnapshot_Params& params);
-  void Configure(const DisplayMode* mode,
+  void Configure(const display::DisplayMode* mode,
                  const gfx::Point& origin,
-                 const ConfigureCallback& callback);
-  void GetHDCPState(const GetHDCPStateCallback& callback);
-  void SetHDCPState(HDCPState state, const SetHDCPStateCallback& callback);
-  void SetColorCorrection(const std::vector<GammaRampRGBEntry>& degamma_lut,
-                          const std::vector<GammaRampRGBEntry>& gamma_lut,
-                          const std::vector<float>& correction_matrix);
+                 const display::ConfigureCallback& callback);
+  void GetHDCPState(const display::GetHDCPStateCallback& callback);
+  void SetHDCPState(display::HDCPState state,
+                    const display::SetHDCPStateCallback& callback);
+  void SetColorCorrection(
+      const std::vector<display::GammaRampRGBEntry>& degamma_lut,
+      const std::vector<display::GammaRampRGBEntry>& gamma_lut,
+      const std::vector<float>& correction_matrix);
 
   // 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 OnHDCPStateReceived(bool status, display::HDCPState state);
   void OnHDCPStateUpdated(bool status);
 
   // GpuThreadObserver:
   void OnGpuProcessLaunched() override;
   void OnGpuThreadReady() override;
   void OnGpuThreadRetired() override;
 
  private:
   // Calls all the callbacks with failure.
   void ClearCallbacks();
 
   GpuThreadAdapter* sender_;  // Not owned.
 
-  std::unique_ptr<DisplaySnapshot> snapshot_;
+  std::unique_ptr<display::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_;
+  display::ConfigureCallback configure_callback_;
+  display::GetHDCPStateCallback get_hdcp_callback_;
+  display::SetHDCPStateCallback set_hdcp_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmDisplayHost);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_