Convert additional ozone/drm callbacks to OnceCallback

ui/ozone/platform/drm/gpu/hardware_display_controller.h

Index: ui/ozone/platform/drm/gpu/hardware_display_controller.h
diff --git a/ui/ozone/platform/drm/gpu/hardware_display_controller.h b/ui/ozone/platform/drm/gpu/hardware_display_controller.h
index 1851ee4f489a623ccf28efe80091c5cda86318e5..822a97f9044507f56ebcbf9ddb4de39202555ab5 100644
--- a/ui/ozone/platform/drm/gpu/hardware_display_controller.h
+++ b/ui/ozone/platform/drm/gpu/hardware_display_controller.h
@@ -20,6 +20,7 @@
 #include "ui/gfx/swap_result.h"
 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager.h"
 #include "ui/ozone/platform/drm/gpu/overlay_plane.h"
+#include "ui/ozone/public/swap_completion_callback.h"
 
 namespace gfx {
 class Point;
@@ -86,7 +87,7 @@ class DrmDevice;
 // framebuffers. Though, in this case, it would be possible to have all
 // connectors active if some use the same CRTC to mirror the display.
 class HardwareDisplayController {
-  typedef base::Callback<void(gfx::SwapResult)> PageFlipCallback;
+  //  typedef base::Callback<void(gfx::SwapResult)> SwapCompletionOnceCallback;

[dnicoara, 2017/05/15 20:22:14]

nit: Delete line

 
  public:
   HardwareDisplayController(std::unique_ptr<CrtcController> controller,
@@ -118,7 +119,7 @@ class HardwareDisplayController {
   // Note that this function does not block. Also, this function should not be
   // called again before the page flip occurrs.
   void SchedulePageFlip(const OverlayPlaneList& plane_list,
-                        const PageFlipCallback& callback);
+                        SwapCompletionOnceCallback callback);
 
   // Returns true if the page flip with the |plane_list| would succeed. This
   // doesn't change any state.
@@ -161,7 +162,7 @@ class HardwareDisplayController {
  private:
   bool ActualSchedulePageFlip(const OverlayPlaneList& plane_list,
                               bool test_only,
-                              const PageFlipCallback& callback);
+                              SwapCompletionOnceCallback callback);
 
   std::unordered_map<DrmDevice*, std::unique_ptr<HardwareDisplayPlaneList>>
       owned_hardware_planes_;