Moves move logic into WM instead of WS

components/mus/ws/server_window.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 "components/mus/ws/server_window.h"
 
 #include <inttypes.h>
 
 #include "base/strings/stringprintf.h"
 #include "components/mus/ws/server_window_delegate.h"
 #include "components/mus/ws/server_window_observer.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 
 namespace mus {
 
 namespace ws {
 
 ServerWindow::ServerWindow(ServerWindowDelegate* delegate, const WindowId& id)
     : delegate_(delegate),
       id_(id),
       parent_(nullptr),
       visible_(false),
       opacity_(1),
-      is_draggable_window_container_(false),
       // Don't notify newly added observers during notification. This causes
       // problems for code that adds an observer as part of an observer
       // notification (such as ServerWindowDrawTracker).
       observers_(
           base::ObserverList<ServerWindowObserver>::NOTIFY_EXISTING_ONLY) {
   DCHECK(delegate);  // Must provide a delegate.
 }
 
 ServerWindow::~ServerWindow() {
   FOR_EACH_OBSERVER(ServerWindowObserver, observers_,
@@ skipping 240 matching lines @@
 #endif
 
 void ServerWindow::RemoveImpl(ServerWindow* window) {
   window->parent_ = NULL;
   children_.erase(std::find(children_.begin(), children_.end(), window));
 }
 
 }  // namespace ws
 
 }  // namespace mus