Wiring metro mouse events to aura viewer

ui/aura/root_window_host_win.cc

Index: ui/aura/root_window_host_win.cc
===================================================================
--- ui/aura/root_window_host_win.cc	(revision 160403)
+++ ui/aura/root_window_host_win.cc	(working copy)
@@ -28,9 +28,8 @@
 }  // namespace
 
 // static
-RootWindowHost* RootWindowHost::Create(RootWindowHostDelegate* delegate,
-                                       const gfx::Rect& bounds) {
-  return new RootWindowHostWin(delegate, bounds);
+RootWindowHost* RootWindowHost::Create(const gfx::Rect& bounds) {
+  return new RootWindowHostWin(bounds);
 }
 
 // static
@@ -46,9 +45,8 @@
                    GetSystemMetrics(SM_CYSCREEN));
 }
 
-RootWindowHostWin::RootWindowHostWin(RootWindowHostDelegate* delegate,
-                                     const gfx::Rect& bounds)
-    : delegate_(delegate),
+RootWindowHostWin::RootWindowHostWin(const gfx::Rect& bounds)
+    : delegate_(NULL),
       fullscreen_(false),
       has_capture_(false),
       saved_window_style_(0),
@@ -62,6 +60,10 @@
   DestroyWindow(hwnd());
 }
 
+void RootWindowHostWin::SetDelegate(RootWindowHostDelegate* delegate) {
+  delegate_ = delegate;
+}
+
 RootWindow* RootWindowHostWin::GetRootWindow() {
   return delegate_->AsRootWindow();
 }