Rename WaylandDisplay to WaylandConnection

ui/ozone/platform/wayland/wayland_test.cc

Index: ui/ozone/platform/wayland/wayland_test.cc
diff --git a/ui/ozone/platform/wayland/wayland_test.cc b/ui/ozone/platform/wayland/wayland_test.cc
index b5aea4d4a52eaa490a0d72e299a9d882affe6ee8..0388ee50258ccd855d2854452f89df1f80d23799 100644
--- a/ui/ozone/platform/wayland/wayland_test.cc
+++ b/ui/ozone/platform/wayland/wayland_test.cc
@@ -12,13 +12,13 @@ using ::testing::_;
 namespace ui {
 
 WaylandTest::WaylandTest()
-    : window(&delegate, &display, gfx::Rect(0, 0, 800, 600)) {}
+    : window(&delegate, &connection, gfx::Rect(0, 0, 800, 600)) {}
 
 WaylandTest::~WaylandTest() {}
 
 void WaylandTest::SetUp() {
   ASSERT_TRUE(server.Start());
-  ASSERT_TRUE(display.Initialize());
+  ASSERT_TRUE(connection.Initialize());
   EXPECT_CALL(delegate, OnAcceleratedWidgetAvailable(_, _))
       .WillOnce(SaveArg<0>(&widget));
   ASSERT_TRUE(window.Initialize());