mus: Let clients set the cursor of their window.

components/mus/public/cpp/lib/in_flight_change.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/lib/in_flight_change.h"
 
 #include "components/mus/public/cpp/lib/window_private.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
 
 namespace mus {
@@ skipping 67 matching lines @@
 void InFlightPropertyChange::SetRevertValueFrom(const InFlightChange& change) {
   revert_value_ =
       static_cast<const InFlightPropertyChange&>(change).revert_value_.Clone();
 }
 
 void InFlightPropertyChange::Revert() {
   WindowPrivate(window())
       .LocalSetSharedProperty(property_name_, revert_value_.Pass());
 }
 
+// InFlightPredefinedCursorChange ---------------------------------------------
+
+InFlightPredefinedCursorChange::InFlightPredefinedCursorChange(
+    Window* window,
+    mojom::Cursor revert_value)
+    : InFlightChange(window, ChangeType::PREDEFINED_CURSOR),
+      revert_cursor_(revert_value) {}
+
+InFlightPredefinedCursorChange::~InFlightPredefinedCursorChange() {}
+
+void InFlightPredefinedCursorChange::SetRevertValueFrom(
+    const InFlightChange& change) {
+  revert_cursor_ =
+      static_cast<const InFlightPredefinedCursorChange&>(change).revert_cursor_;
+}
+
+void InFlightPredefinedCursorChange::Revert() {
+  WindowPrivate(window()).LocalSetPredefinedCursor(revert_cursor_);
+}
+
 // InFlightVisibleChange -------------------------------------------------------
 
 InFlightVisibleChange::InFlightVisibleChange(Window* window,
                                              bool revert_value)
     : InFlightChange(window, ChangeType::VISIBLE),
       revert_visible_(revert_value) {}
 
 void InFlightVisibleChange::SetRevertValueFrom(const InFlightChange& change) {
   revert_visible_ =
       static_cast<const InFlightVisibleChange&>(change).revert_visible_;
 }
 
 void InFlightVisibleChange::Revert() {
   WindowPrivate(window()).LocalSetVisible(revert_visible_);
 }
 
 }  // namespace mus