Remove mojo::Array.

services/ui/public/cpp/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 "services/ui/public/cpp/in_flight_change.h"
 
 #include "services/ui/public/cpp/window_private.h"
 #include "services/ui/public/cpp/window_tree_client.h"
 
 namespace ui {
@@ skipping 120 matching lines @@
 
 void InFlightFocusChange::Revert() {
   client()->LocalSetFocus(revert_window());
 }
 
 // InFlightPropertyChange -----------------------------------------------------
 
 InFlightPropertyChange::InFlightPropertyChange(
     Window* window,
     const std::string& property_name,
-    const mojo::Array<uint8_t>& revert_value)
+    const base::Optional<std::vector<uint8_t>>& revert_value)
     : InFlightChange(window, ChangeType::PROPERTY),
       property_name_(property_name),
-      revert_value_(revert_value.Clone()) {}
+      revert_value_(revert_value) {}
 
 InFlightPropertyChange::~InFlightPropertyChange() {}
 
 bool InFlightPropertyChange::Matches(const InFlightChange& change) const {
   return static_cast<const InFlightPropertyChange&>(change).property_name_ ==
          property_name_;
 }
 
 void InFlightPropertyChange::SetRevertValueFrom(const InFlightChange& change) {
   revert_value_ =
-      static_cast<const InFlightPropertyChange&>(change).revert_value_.Clone();
+      static_cast<const InFlightPropertyChange&>(change).revert_value_;
 }
 
 void InFlightPropertyChange::Revert() {
-  WindowPrivate(window())
-      .LocalSetSharedProperty(property_name_, std::move(revert_value_));
+  WindowPrivate(window()).LocalSetSharedProperty(
+      property_name_, revert_value_ ? &*revert_value_ : nullptr);

[yzshen1, 2017/01/06 19:38:38]

nit: it seems easier to read: &revert_value_.value()

[Sam McNally, 2017/01/09 23:15:15]

Done.

 }
 
 // InFlightPredefinedCursorChange ---------------------------------------------
 
 InFlightPredefinedCursorChange::InFlightPredefinedCursorChange(
     Window* window,
     mojom::Cursor revert_value)
     : InFlightChange(window, ChangeType::PREDEFINED_CURSOR),
       revert_cursor_(revert_value) {}
 
@@ skipping 51 matching lines @@
 
 InFlightSetModalChange::~InFlightSetModalChange() {}
 
 void InFlightSetModalChange::SetRevertValueFrom(const InFlightChange& change) {}
 
 void InFlightSetModalChange::Revert() {
   WindowPrivate(window()).LocalUnsetModal();
 }
 
 }  // namespace ui