Remove Windows snapshot code.

ui/snapshot/test/snapshot_desktop_win.cc

Index: ui/snapshot/test/snapshot_desktop_win.cc
diff --git a/ui/snapshot/test/snapshot_desktop_win.cc b/ui/snapshot/test/snapshot_desktop_win.cc
deleted file mode 100644
index 1d4a29b49b30629bfca9e616f504ac636df21655..0000000000000000000000000000000000000000
--- a/ui/snapshot/test/snapshot_desktop_win.cc
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2013 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 "ui/snapshot/test/snapshot_desktop.h"
-
-#include "ui/snapshot/snapshot_win.h"
-
-namespace ui {
-
-bool GrabDesktopSnapshot(const gfx::Rect& snapshot_bounds,
-                         std::vector<unsigned char>* png_representation) {
-  return internal::GrabHwndSnapshot(NULL, snapshot_bounds, png_representation);
-}
-
-}  // namespace ui