Adds a NonClientFrameView for generic toplevel windows.

ui/aura/desktop_host_win.cc

Index: ui/aura/desktop_host_win.cc
===================================================================
--- ui/aura/desktop_host_win.cc	(revision 102277)
+++ ui/aura/desktop_host_win.cc	(working copy)
@@ -58,6 +58,28 @@
       SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREDRAW | SWP_NOREPOSITION);
 }
 
+void DesktopHostWin::SetCursor(CursorType cursor_type) {
+  switch (cursor_type) {
+    case CURSOR_POINTER:
+      ::SetCursor(LoadCursor(NULL, IDC_ARROW));
+      break;
+    case CURSOR_LINK:
+      ::SetCursor(LoadCursor(NULL, IDC_HAND));
+      break;
+    case CURSOR_WAIT:
+      ::SetCursor(LoadCursor(NULL, IDC_WAIT));
+      break;
+    case CURSOR_SIZE_HORIZONTAL:
+      ::SetCursor(LoadCursor(NULL, IDC_SIZEWE));
+      break;
+    case CURSOR_SIZE_VERTICAL:
+      ::SetCursor(LoadCursor(NULL, IDC_SIZENS));
+      break;
+    default:
+      break;
+  }
+}
+
 void DesktopHostWin::OnClose() {
   // TODO: this obviously shouldn't be here.
   MessageLoopForUI::current()->Quit();