Capability: passing fds over IPC

chrome/common/ipc_message.cc

Index: chrome/common/ipc_message.cc
diff --git a/chrome/common/ipc_message.cc b/chrome/common/ipc_message.cc
index fe6142388d9b85e914996e61a7e00a133e4e7231..67dfad88077b138334ed99062a22af04c75b245b 100644
--- a/chrome/common/ipc_message.cc
+++ b/chrome/common/ipc_message.cc
@@ -5,6 +5,7 @@
 #include "chrome/common/ipc_message.h"
 
 #include "base/logging.h"
+#include "build/build_config.h"
 
 namespace IPC {
 
@@ -16,6 +17,9 @@ Message::~Message() {
 Message::Message()
     : Pickle(sizeof(Header)) {
   header()->routing = header()->type = header()->flags = 0;
+#if defined(OS_POSIX)
+  header()->num_fds = 0;
+#endif
   InitLoggingVariables();
 }
 
@@ -24,6 +28,9 @@ Message::Message(int32 routing_id, uint16 type, PriorityValue priority)
   header()->routing = routing_id;
   header()->type = type;
   header()->flags = priority;
+#if defined(OS_POSIX)
+  header()->num_fds = 0;
+#endif
   InitLoggingVariables();
 }