Convert 'msvs_prebuild' and 'msvs_postbuild' for MSBuild (Visual C++ 2010).

test/msvs/buildevents/gyptest-all.py

Index: test/msvs/buildevents/gyptest-all.py
===================================================================
--- test/msvs/buildevents/gyptest-all.py	(revision 0)
+++ test/msvs/buildevents/gyptest-all.py	(revision 0)
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2011 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Verifies that precompiled headers can be specified.
+"""
+
+import TestGyp
+
+test = TestGyp.TestGyp(formats=['msvs'], workdir='workarea_all')
+
+test.run_gyp('buildevents.gyp', '-G', 'msvs_version=2008')
+test.must_contain('main.vcproj', 'Name="VCPreBuildEventTool"')
+test.must_contain('main.vcproj', 'Name="VCPostBuildEventTool"')
+
+test.run_gyp('buildevents.gyp', '-G', 'msvs_version=2010')
+test.must_contain('main.vcxproj', '<PreBuildEvent>')
+test.must_contain('main.vcxproj', '<PostBuildEvent>')
+
+test.pass_test()