mus: Introduce AttachSurface to allow creating Surface prior to OnEmbed

components/mus/public/cpp/tests/test_window_tree.cc

 // Copyright 2015 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 "components/mus/public/cpp/tests/test_window_tree.h"
 
 namespace mus {
 
 TestWindowTree::TestWindowTree() : got_change_(false), change_id_(0) {}
 
@@ skipping 33 matching lines @@
     const SetWindowVisibilityCallback& callback) {}
 
 void TestWindowTree::SetWindowProperty(uint32_t change_id,
                                        uint32_t window_id,
                                        const mojo::String& name,
                                        mojo::Array<uint8_t> value) {
   got_change_ = true;
   change_id_ = change_id;
 }
 
-void TestWindowTree::RequestSurface(
+void TestWindowTree::AttachSurface(
     uint32_t window_id,
     mojom::SurfaceType type,
     mojo::InterfaceRequest<mojom::Surface> surface,
     mojom::SurfaceClientPtr client) {}
 
 void TestWindowTree::AddWindow(uint32_t parent,
                                uint32_t child,
                                const AddWindowCallback& callback) {}
 
 void TestWindowTree::RemoveWindowFromParent(
@@ skipping 28 matching lines @@
 void TestWindowTree::SetWindowTextInputState(uint32_t window_id,
                                              mojo::TextInputStatePtr state) {}
 
 void TestWindowTree::SetImeVisibility(uint32_t window_id,
                                       bool visible,
                                       mojo::TextInputStatePtr state) {}
 
 void TestWindowTree::WmResponse(uint32_t change_id, bool response) {}
 
 }  // namespace mus