Wiring metro mouse events to aura viewer

ui/views/widget/desktop_root_window_host_win.cc

Index: ui/views/widget/desktop_root_window_host_win.cc
===================================================================
--- ui/views/widget/desktop_root_window_host_win.cc	(revision 160403)
+++ ui/views/widget/desktop_root_window_host_win.cc	(working copy)
@@ -76,7 +76,6 @@
 
   root_window_->Init();
   root_window_->AddChild(content_window_);
-  root_window_host_delegate_ = root_window_;
 
   native_widget_delegate_->OnNativeWidgetCreated();
 
@@ -306,6 +305,12 @@
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopRootWindowHostWin, RootWindowHost implementation:
 
+
+void DesktopRootWindowHostWin::SetDelegate(
+    aura::RootWindowHostDelegate* delegate) {
+  root_window_host_delegate_ = delegate;
+}
+
 aura::RootWindow* DesktopRootWindowHostWin::GetRootWindow() {
   return root_window_;
 }