ozone: dri: add synchronous SwapBuffers support on surfaceless

ui/ozone/platform/dri/hardware_display_plane_manager_unittest.cc

 // Copyright 2014 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.
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/ozone/platform/dri/crtc_controller.h"
 #include "ui/ozone/platform/dri/hardware_display_controller.h"
@@ skipping 43 matching lines @@
       planes_.push_back(new ui::HardwareDisplayPlane(
           planes[i].id, planes[i].allowed_crtc_mask));
     }
     // The real HDPM uses sorted planes, so sort them for consistency.
     std::sort(planes_.begin(), planes_.end(),
               [](ui::HardwareDisplayPlane* l, ui::HardwareDisplayPlane* r) {
       return l->plane_id() < r->plane_id();
     });
   }
 
-  bool Commit(ui::HardwareDisplayPlaneList* plane_list) override {
+  bool Commit(ui::HardwareDisplayPlaneList* plane_list, bool is_sync) override {
     return false;
   }
 
   bool SetPlaneData(ui::HardwareDisplayPlaneList* plane_list,
                     ui::HardwareDisplayPlane* hw_plane,
                     const ui::OverlayPlane& overlay,
                     uint32_t crtc_id,
                     const gfx::Rect& src_rect,
                     ui::CrtcController* crtc) override {
     // Check that the chosen plane is a legal choice for the crtc.
@@ skipping 160 matching lines @@
   scoped_refptr<ui::MockDriWrapper> drm =
       new ui::MockDriWrapper(false, crtcs, 2);
   ui::OverlayPlaneList assigns;
   scoped_refptr<FakeScanoutBuffer> fake_buffer = new FakeScanoutBuffer();
   assigns.push_back(ui::OverlayPlane(fake_buffer));
   assigns.push_back(ui::OverlayPlane(fake_buffer));
   ui::HardwareDisplayPlaneList hdpl;
   ui::CrtcController crtc(drm, crtcs[0], 0);
   EXPECT_TRUE(drm->plane_manager()->AssignOverlayPlanes(&hdpl, assigns,
                                                         crtcs[0], &crtc));
-  EXPECT_TRUE(drm->plane_manager()->Commit(&hdpl));
+  EXPECT_TRUE(drm->plane_manager()->Commit(&hdpl, false));
   assigns.clear();
   assigns.push_back(ui::OverlayPlane(fake_buffer));
   EXPECT_TRUE(drm->plane_manager()->AssignOverlayPlanes(&hdpl, assigns,
                                                         crtcs[0], &crtc));
   EXPECT_EQ(0, drm->get_overlay_clear_call_count());
-  EXPECT_TRUE(drm->plane_manager()->Commit(&hdpl));
+  EXPECT_TRUE(drm->plane_manager()->Commit(&hdpl, false));
   EXPECT_EQ(1, drm->get_overlay_clear_call_count());
 }
 
 }  // namespace