mus: Let clients set the cursor of their window.

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

 // 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.
 
 #ifndef COMPONENTS_MUS_PUBLIC_CPP_TESTS_TEST_WINDOW_TREE_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_TESTS_TEST_WINDOW_TREE_H_
 
 #include "base/macros.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 
@@ skipping 49 matching lines @@
                      mojom::OrderDirection direction,
                      const ReorderWindowCallback& callback) override;
   void GetWindowTree(uint32_t window_id,
                      const GetWindowTreeCallback& callback) override;
   void Embed(uint32_t window_id,
              mojom::WindowTreeClientPtr client,
              uint32_t policy_bitmask,
              const EmbedCallback& callback) override;
   void SetFocus(uint32_t window_id) override;
   void SetCanFocus(uint32_t window_id, bool can_focus) override;
+  void SetPredefinedCursor(uint32_t change_id,
+                           uint32_t window_id,
+                           mus::mojom::Cursor cursor_id) override;
   void SetWindowTextInputState(uint32_t window_id,
                                mojo::TextInputStatePtr state) override;
   void SetImeVisibility(uint32_t window_id,
                         bool visible,
                         mojo::TextInputStatePtr state) override;
   void OnWindowInputEventAck(uint32_t event_id) override;
   void WmResponse(uint32_t change_id, bool response) override;
 
   bool got_change_;
   uint32_t change_id_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWindowTree);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_TESTS_TEST_WINDOW_TREE_H_