Moves WindowCycleList/Controller to ash/common

ash/mus/bridge/wm_window_mus.cc

Index: ash/mus/bridge/wm_window_mus.cc
diff --git a/ash/mus/bridge/wm_window_mus.cc b/ash/mus/bridge/wm_window_mus.cc
index 27b48eef548b36217420aab3af8a3ce469ec5895..b0a2a7f22acd07c24ee18098adbb312bf5dcf5f5 100644
--- a/ash/mus/bridge/wm_window_mus.cc
+++ b/ash/mus/bridge/wm_window_mus.cc
@@ -21,6 +21,7 @@
 #include "ui/aura/mus/mus_util.h"
 #include "ui/base/hit_test.h"
 #include "ui/display/display.h"
+#include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
@@ -707,6 +708,12 @@ void WmWindowMus::SetDescendantsStayInSameRootWindow(bool value) {
   NOTIMPLEMENTED();
 }
 
+std::unique_ptr<views::View> WmWindowMus::CreateViewWithRecreatedLayers() {
+  // TODO: need real implementation, http://crbug.com/629497.
+  std::unique_ptr<views::View> view(new views::View);
+  return view;
+}
+
 void WmWindowMus::AddObserver(WmWindowObserver* observer) {
   observers_.AddObserver(observer);
 }