[Ozone-DRM] Remove bool return value for SchedulePageFlip call

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

Index: ui/ozone/platform/drm/gpu/crtc_controller.h
diff --git a/ui/ozone/platform/drm/gpu/crtc_controller.h b/ui/ozone/platform/drm/gpu/crtc_controller.h
index 6d05ce60aa2f6a2e4a659e09f0025cb8c419e33e..a20cfc678492c15d6bf9675634e872ebc1a396c6 100644
--- a/ui/ozone/platform/drm/gpu/crtc_controller.h
+++ b/ui/ozone/platform/drm/gpu/crtc_controller.h
@@ -11,6 +11,7 @@
 
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
+#include "ui/gfx/swap_result.h"
 #include "ui/ozone/ozone_export.h"
 #include "ui/ozone/platform/drm/common/scoped_drm_types.h"
 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager.h"
@@ -58,8 +59,10 @@ class OZONE_EXPORT CrtcController
   std::vector<uint32_t> GetCompatibleHardwarePlaneIds(
       const OverlayPlane& plane) const;
 
-  // Called if the page flip for this CRTC fails after being scheduled.
-  void PageFlipFailed();
+  // Called if the page flip event wasn't scheduled and will never be. This will

[spang, 2015/10/30 20:27:02]

Update comment.

[dnicoara, 2015/11/02 17:04:03]

Done.

+  // then signal the request such that the caller doesn't wait for the event
+  // forever.
+  void SignalPageFlipRequest(gfx::SwapResult result);
 
   // Called when the page flip event occurred. The event is provided by the
   // kernel when a VBlank event finished. This allows the controller to
@@ -77,8 +80,6 @@ class OZONE_EXPORT CrtcController
  private:
   bool ResetCursor();
 
-  void SignalPageFlipRequest();
-
   scoped_refptr<DrmDevice> drm_;
 
   // Buffers need to be declared first so that they are destroyed last. Needed