linux (and some posix): multiprocess plugins compiling.

base/string_util_win.h

Index: base/string_util_win.h
diff --git a/base/string_util_win.h b/base/string_util_win.h
index f2adae69ba9ffe87a644bf905c12b669e10f224e..0367ec4adf02a9b2e851f6f5d78eb2b6e0425ca6 100644
--- a/base/string_util_win.h
+++ b/base/string_util_win.h
@@ -14,6 +14,12 @@
 
 namespace base {
 
+// Chromium code style is to not use malloc'd strings; this is only for use
+// for interaction with APIs that require it.
+inline char* strdup(const char* str) {
+  return _strdup(str);
+}
+
 inline int strcasecmp(const char* s1, const char* s2) {
   return _stricmp(s1, s2);
 }