4169         mBGSurfaceControl = createLayer(String8("BG Test Surface"), displayWidth,  in SetUp()
4171         ASSERT_TRUE(mBGSurfaceControl != nullptr);  in SetUp()
4172         ASSERT_TRUE(mBGSurfaceControl->isValid());  in SetUp()
4173         fillSurfaceRGBA8(mBGSurfaceControl, 63, 63, 195);  in SetUp()
4193             t.setLayer(mBGSurfaceControl, INT32_MAX - 2).show(mBGSurfaceControl);  in SetUp()
4207         mBGSurfaceControl = 0;  in TearDown()
4223     sp<SurfaceControl> mBGSurfaceControl;  member in android::LayerUpdateTest
4567     fillSurfaceRGBA8(mBGSurfaceControl, 0, 0, 254);  in TEST_F()
4619         t.reparentChildren(mFGSurfaceControl, mBGSurfaceControl->getHandle());  in TEST_F()
5056     asTransaction([&](Transaction& t) { t.reparent(mChild, mBGSurfaceControl->getHandle()); });  in TEST_F()
5370     auto bgHandle = mBGSurfaceControl->getHandle();  in TEST_F()