Tab dragging as implemented as a mus API.

components/mus/ws/window_manager_client_unittest.cc

Index: components/mus/ws/window_manager_client_unittest.cc
diff --git a/components/mus/ws/window_manager_client_unittest.cc b/components/mus/ws/window_manager_client_unittest.cc
index a8049c6b69bcf72b5676873629f747c454ffc038..78489a5c0736280805c4f35668e42c424232894e 100644
--- a/components/mus/ws/window_manager_client_unittest.cc
+++ b/components/mus/ws/window_manager_client_unittest.cc
@@ -63,6 +63,10 @@ class TestWindowManagerDelegate : public WindowManagerDelegate {
   void OnWmNewDisplay(Window* window,
                       const display::Display& display) override {}
   void OnAccelerator(uint32_t id, const ui::Event& event) override {}
+  void OnWmPerformMoveLoop(uint32_t change_id,
+                           uint32_t window_id,
+                           const gfx::Point& cursor_location) override {}
+  void OnWmCancelMoveLoop(uint32_t window_id) override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestWindowManagerDelegate);