Change UnixDomainSocket::RecvMsg to return ScopedVector<base::ScopedFD>

content/browser/zygote_host/zygote_host_impl_linux.cc

Index: content/browser/zygote_host/zygote_host_impl_linux.cc
diff --git a/content/browser/zygote_host/zygote_host_impl_linux.cc b/content/browser/zygote_host/zygote_host_impl_linux.cc
index a56d646f7efb3a0470f682afb8e087e5f4da683e..cb6545b4527f866cd86db88aec769861b4d8573a 100644
--- a/content/browser/zygote_host/zygote_host_impl_linux.cc
+++ b/content/browser/zygote_host/zygote_host_impl_linux.cc
@@ -20,6 +20,7 @@
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/posix/eintr_wrapper.h"
@@ -176,7 +177,7 @@ void ZygoteHostImpl::Init(const std::string& sandbox_cmd) {
     // Wait for the zygote to tell us it's running, and receive its PID,
     // which the kernel will translate to our PID namespace.
     // The sending code is in content/browser/zygote_main_linux.cc.
-    std::vector<int> fds_vec;
+    ScopedVector<base::ScopedFD> fds_vec;
     const size_t kExpectedLength = sizeof(kZygoteHelloMessage);
     char buf[kExpectedLength];
     const ssize_t len = UnixDomainSocket::RecvMsgWithPid(