Rename WaylandDisplay to WaylandConnection

ui/ozone/platform/wayland/wayland_test.cc

 // Copyright 2016 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 "ui/ozone/platform/wayland/wayland_test.h"
 
 #include "base/run_loop.h"
 
 using ::testing::SaveArg;
 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());
   ASSERT_NE(widget, gfx::kNullAcceleratedWidget);
 
   // Wait for the client to flush all pending requests from initialization.
   base::RunLoop().RunUntilIdle();
 
   // Pause the server after it has responded to all incoming events.
   server.Pause();
@@ skipping 15 matching lines @@
 
   // Wait for the client to finish processing these events.
   base::RunLoop().RunUntilIdle();
 
   // Pause the server, after it has finished processing any follow-up requests
   // from the client.
   server.Pause();
 }
 
 }  // namespace ui