Revert of Adding status to swap complete

ui/ozone/platform/drm/gpu/hardware_display_controller_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 "base/bind.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/ozone/platform/drm/gpu/crtc_controller.h"
 #include "ui/ozone/platform/drm/gpu/drm_buffer.h"
 #include "ui/ozone/platform/drm/gpu/drm_device.h"
@@ skipping 36 matching lines @@
 }  // namespace
 
 class HardwareDisplayControllerTest : public testing::Test {
  public:
   HardwareDisplayControllerTest() : page_flips_(0) {}
   ~HardwareDisplayControllerTest() override {}
 
   void SetUp() override;
   void TearDown() override;
 
-  void PageFlipCallback(gfx::SwapResult);
+  void PageFlipCallback();
 
  protected:
   scoped_ptr<ui::HardwareDisplayController> controller_;
   scoped_refptr<ui::MockDrmDevice> drm_;
 
   int page_flips_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayControllerTest);
 };
 
 void HardwareDisplayControllerTest::SetUp() {
   std::vector<uint32_t> crtcs;
   crtcs.push_back(kPrimaryCrtc);
   crtcs.push_back(kSecondaryCrtc);
   drm_ = new ui::MockDrmDevice(false, crtcs, kPlanesPerCrtc);
   controller_.reset(new ui::HardwareDisplayController(
       scoped_ptr<ui::CrtcController>(
           new ui::CrtcController(drm_.get(), kPrimaryCrtc, kPrimaryConnector)),
       gfx::Point()));
 }
 
 void HardwareDisplayControllerTest::TearDown() {
   controller_.reset();
   drm_ = nullptr;
 }
 
-void HardwareDisplayControllerTest::PageFlipCallback(gfx::SwapResult) {
+void HardwareDisplayControllerTest::PageFlipCallback() {
   page_flips_++;
 }
 
 TEST_F(HardwareDisplayControllerTest, CheckModesettingResult) {
   ui::OverlayPlane plane(scoped_refptr<ui::ScanoutBuffer>(
       new MockScanoutBuffer(kDefaultModeSize)));
 
   EXPECT_TRUE(controller_->Modeset(plane, kDefaultMode));
   EXPECT_FALSE(plane.buffer->HasOneRef());
 }
@@ skipping 206 matching lines @@
       planes, false, false,
       base::Bind(&HardwareDisplayControllerTest::PageFlipCallback,
                  base::Unretained(this))));
 
   controller_->RemoveCrtc(drm_, kPrimaryCrtc);
 
   EXPECT_EQ(1, page_flips_);
   drm_->RunCallbacks();
   EXPECT_EQ(1, page_flips_);
 }