aura-mus: Hook up PerformWindowMove().

ui/aura/mus/window_tree_client.cc

 // Copyright 2014 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 "ui/aura/mus/window_tree_client.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 1692 matching lines @@
 }
 
 void WindowTreeClient::OnWindowTreeHostStackAtTop(
     WindowTreeHostMus* window_tree_host) {
   WindowMus* window = WindowMus::Get(window_tree_host->window());
   const uint32_t change_id = ScheduleInFlightChange(
       base::MakeUnique<CrashInFlightChange>(window, ChangeType::REORDER));
   tree_->StackAtTop(change_id, window->server_id());
 }
 
+void WindowTreeClient::OnWindowTreeHostPerformWindowMove(
+    WindowTreeHostMus* window_tree_host,
+    ui::mojom::MoveLoopSource source,
+    const gfx::Point& cursor_location,
+    const base::Callback<void(bool)>& callback) {
+  PerformWindowMove(window_tree_host->window(),

[sky, 2017/01/27 19:00:31]

Is there any reason to keep the PerformWindowMove/CAncelWindowMove functions
instead of moving the implementation here? I likely kept them when this file was
forked from services/ui/public/cpp/window_Tree_client and I suspect no one calls
them directly.

[Elliot Glaysher, 2017/01/27 20:22:16]

There are not. Moved implementations.

+                    source,
+                    cursor_location,
+                    callback);
+}
+
+void WindowTreeClient::OnWindowTreeHostCancelWindowMove(
+    WindowTreeHostMus* window_tree_host) {
+  CancelWindowMove(window_tree_host->window());
+}
+
 std::unique_ptr<WindowPortMus> WindowTreeClient::CreateWindowPortForTopLevel(
     const std::map<std::string, std::vector<uint8_t>>* properties) {
   std::unique_ptr<WindowPortMus> window_port =
       base::MakeUnique<WindowPortMus>(this, WindowMusType::TOP_LEVEL);
   roots_.insert(window_port.get());
 
   window_port->set_server_id(MakeTransportId(client_id_, next_window_id_++));
   RegisterWindowMus(window_port.get());
 
   std::unordered_map<std::string, std::vector<uint8_t>> transport_properties;
@@ skipping 94 matching lines @@
   return ScheduleInFlightChange(base::MakeUnique<InFlightCaptureChange>(
       this, capture_synchronizer_.get(), window));
 }
 
 uint32_t WindowTreeClient::CreateChangeIdForFocus(WindowMus* window) {
   return ScheduleInFlightChange(base::MakeUnique<InFlightFocusChange>(
       this, focus_synchronizer_.get(), window));
 }
 
 }  // namespace aura