Make resource repacker work on Windows

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1893 matching lines @@
       }],
       ['enable_hangout_services_extension==1', {
         'grit_defines': ['-D', 'enable_hangout_services_extension'],
       }],
       ['enable_task_manager==1', {
         'grit_defines': ['-D', 'enable_task_manager'],
       }],
       ['notifications==1', {
         'grit_defines': ['-D', 'enable_notifications'],
       }],
-      ['enable_resource_whitelist_generation==1', {
+      ['enable_resource_whitelist_generation==1 and OS!="win"', {

[scottmg, 2014/04/14 23:35:26]

I guess we might want a clang==0 in here, but since
enable_resource_whitelist_generation is a manual thing anyway, doesn't seem
worth cluttering things for.

         'grit_rc_header_format': ['-h', '#define {textual_id} _Pragma("whitelisted_resource_{numeric_id}") {numeric_id}'],
       }],
+      ['enable_resource_whitelist_generation==1 and OS=="win"', {
+        'grit_rc_header_format': ['-h', '#define {textual_id} __pragma(message("whitelisted_resource_{numeric_id}")) {numeric_id}'],
+      }],
       ['enable_mdns==1 or OS=="mac"', {
         'grit_defines': ['-D', 'enable_service_discovery'],
         'enable_service_discovery%': 1
       }],
       ['clang_use_chrome_plugins==1 and OS!="win"', {
         'clang_chrome_plugins_flags': [
           '<!@(<(DEPTH)/tools/clang/scripts/plugin_flags.sh)'
         ],
       }],
 
@@ skipping 3302 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }