Make resource repacker work on Windows

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 8e48115a01d20f9fe91015a39b49b502f36dc59e..0eaf2c7a6c253899b945dcbe4e5168ef83b3fcfb 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -1911,9 +1911,12 @@
       ['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