Deleted OS_WIN and all Windows specific files from base.

base/process/process_info.h

Index: base/process/process_info.h
diff --git a/base/process/process_info.h b/base/process/process_info.h
index 85f204d04cff02ec0d0ad354d4952e94a88dc8c0..f1b54b302acffbe43a8d9f83cccd7749aa5a4b16 100644
--- a/base/process/process_info.h
+++ b/base/process/process_info.h
@@ -21,24 +21,6 @@ class BASE_EXPORT CurrentProcessInfo {
   static const Time CreationTime();
 };
 
-#if defined(OS_WIN)
-
-enum IntegrityLevel {
-  INTEGRITY_UNKNOWN,
-  LOW_INTEGRITY,
-  MEDIUM_INTEGRITY,
-  HIGH_INTEGRITY,
-};
-
-// Returns the integrity level of the process. Returns INTEGRITY_UNKNOWN if the
-// system does not support integrity levels (pre-Vista) or in the case of an
-// underlying system failure.
-BASE_EXPORT IntegrityLevel GetCurrentProcessIntegrityLevel();
-
-#endif  // defined(OS_WIN)
-
-
-
 }  // namespace base
 
 #endif  // BASE_PROCESS_PROCESS_INFO_H_