mojo:: Rename mojo::GetProxy() to mojo::MakeRequest()

ash/mus/window_manager_unittest.cc

Index: ash/mus/window_manager_unittest.cc
diff --git a/ash/mus/window_manager_unittest.cc b/ash/mus/window_manager_unittest.cc
index ae7db1a0eecd7fb0a7d0ff2098ce02f18ef5eddd..168bb4b702fb215d3163cd0f267df51e08f28a84 100644
--- a/ash/mus/window_manager_unittest.cc
+++ b/ash/mus/window_manager_unittest.cc
@@ -106,7 +106,7 @@ TEST_F(WindowManagerTest, OpenWindow) {
   // Create another WindowTreeClient by way of embedding in
   // |child_window|. This blocks until it succeeds.
   ui::mojom::WindowTreeClientPtr tree_client;
-  auto tree_client_request = GetProxy(&tree_client);
+  auto tree_client_request = MakeRequest(&tree_client);
   client.Embed(child_window, std::move(tree_client), 0u, base::Bind(&OnEmbed));
   aura::WindowTreeClient child_client(connector(), &window_tree_delegate,
                                       nullptr, std::move(tree_client_request));