Switch on use of precompiled headers for VS 2008.

build/win_precompile.gypi

 # Copyright (c) 2011 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 this file to make targets in your .gyp use the default
 # precompiled header on Windows.
 
 {
   'conditions': [
-    # Restricted to VS 2010 until GYP also supports suppressing
-    # precompiled headers on .c files in VS 2008.
-    ['OS=="win" and (MSVS_VERSION=="2010" or MSVS_VERSION=="2010e")', {
+    ['OS=="win"', {
       'target_defaults': {
         'msvs_precompiled_header': '<(DEPTH)/build/precompile.h',
         'msvs_precompiled_source': '<(DEPTH)/build/precompile.cc',
         'sources': ['<(DEPTH)/build/precompile.cc'],
       },
     }],
   ],
 }