Fix SCons modules build on Windows:...

build/SConscript.main

 # Copyright (c) 2006-2008 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.
 
 import os
 import shutil
 import sys
 
 
 p = ARGUMENTS.get('PROGRESS')
@@ skipping 91 matching lines @@
 
 def ChromeObject(env, *args, **kw):
   return env.ComponentObject(*args, **kw)
 env.AddMethod(ChromeObject)
 
 
 
 if env['PLATFORM'] == 'win32':
   env.Tool('target_platform_windows')
   env.Tool('target_debug')
+  env.Tool('midl')
+
+  # TODO(bradnelson): this is needed for now because target_platform_windows
+  # has OS_WINDOWS defined in a weird way.
+  env.FilterOut(CPPDEFINES = ['OS_WINDOWS=OS_WINDOWS'])
+
+  env['PDB'] = '${TARGET.base}.pdb'
 
   processors = int(os.environ.get('NUMBER_OF_PROCESSORS', 1))
   SetOption('num_jobs', processors + 1)
 
   msvs_env = Environment(tools=['msvc', 'mslink', 'msvs'])['ENV']
 
   # Use the absolute path for MSVC because it might not be on the same drive
   # as our source checkout.
   visual_studio_path = (msvs_env['PATH'][0] +
                         ':/Program Files/Microsoft Visual Studio 8')
 
   env.Replace(
     CSCRIPT = 'c:\\Windows\\System32\\cscript',
 
     PLATFORMSDK_VISTA_REL = '../third_party/platformsdk_vista_6_0',
-    PLATFORMSDK_VISTA = '$CHROME_SRC_DIR/$PLATFORMSDK_VISTA_REL',
+    PLATFORMSDK_VISTA = '$CHROME_SRC_DIR/third_party/platformsdk_vista_6_0',
     VISUAL_STUDIO = visual_studio_path,
 
     CYGWIN_DIR = env.Dir('$CHROME_SRC_DIR/third_party/cygwin'),
     CYGWIN_BIN_DIR = '$CYGWIN_DIR/bin',
 
     PERL = '$CYGWIN_BIN_DIR/perl.exe',
 
     MSVS_ENV = msvs_env,
 
     YACC = '$CYGWIN_BIN_DIR/bison.exe',
@@ skipping 415 matching lines @@
     initial_indent = ' '*32,
     subsequent_indent = ' '*32,
   )
   components = tw.fill(', '.join(components))
 
   Help(help_fmt % components)
 
 
 Import('build_component')
 Default(build_component)