Tab dragging as implemented as a mus API.

components/mus/ws/test_utils.cc

 // Copyright 2016 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/ws/test_utils.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/output/copy_output_request.h"
 #include "components/mus/surfaces/surfaces_state.h"
 #include "components/mus/ws/display_binding.h"
@@ skipping 145 matching lines @@
     uint32_t change_id,
     ClientSpecificId requesting_client_id,
     mojo::Map<mojo::String, mojo::Array<uint8_t>> properties) {
   got_create_top_level_window_ = true;
   change_id_ = change_id;
 }
 
 void TestWindowManager::WmClientJankinessChanged(ClientSpecificId client_id,
                                                  bool janky) {}
 
+void TestWindowManager::WmPerformMoveLoop(uint32_t change_id,
+                                          uint32_t window_id,
+                                          const gfx::Point& cursor_location) {
+  on_perform_move_loop_called_ = true;
+}
+
+void TestWindowManager::WmCancelMoveLoop(uint32_t window_id) {}
+
 void TestWindowManager::OnAccelerator(uint32_t id,
                                       std::unique_ptr<ui::Event> event) {
   on_accelerator_called_ = true;
   on_accelerator_id_ = id;
 }
 
 // TestWindowTreeClient -------------------------------------------------------
 
 TestWindowTreeClient::TestWindowTreeClient()
     : binding_(this), record_on_change_completed_(false) {}
@@ skipping 113 matching lines @@
     uint32_t window_id,
     mojom::Cursor cursor_id) {
   tracker_.OnWindowPredefinedCursorChanged(window_id, cursor_id);
 }
 
 void TestWindowTreeClient::OnChangeCompleted(uint32_t change_id, bool success) {
   if (record_on_change_completed_)
     tracker_.OnChangeCompleted(change_id, success);
 }
 
+void TestWindowTreeClient::OnMoveLoopCompleted(uint32_t change_id,
+                                               bool success) {
+  if (record_on_change_completed_)
+    tracker_.OnChangeCompleted(change_id, success);
+}
+
 void TestWindowTreeClient::RequestClose(uint32_t window_id) {}
 
 void TestWindowTreeClient::GetWindowManager(
     mojo::AssociatedInterfaceRequest<mojom::WindowManager> internal) {}
 
 // TestWindowTreeBinding ------------------------------------------------------
 
 TestWindowTreeBinding::TestWindowTreeBinding(WindowTree* tree)
     : WindowTreeBinding(&client_), tree_(tree) {}
 TestWindowTreeBinding::~TestWindowTreeBinding() {}
@@ skipping 174 matching lines @@
     return nullptr;
   if (!tree->AddWindow(parent_client_id, client_window_id))
     return nullptr;
   *client_id = client_window_id;
   return tree->GetWindowByClientId(client_window_id);
 }
 
 }  // namespace test
 }  // namespace ws
 }  // namespace mus