Revert of NaCl cleanup: Remove now-unneeded initialisation of NaCl libraries

components/nacl/renderer/ppb_nacl_private_impl.cc

Index: components/nacl/renderer/ppb_nacl_private_impl.cc
diff --git a/components/nacl/renderer/ppb_nacl_private_impl.cc b/components/nacl/renderer/ppb_nacl_private_impl.cc
index 00bfcdcd4e0f637564c6236c167bc09f4ce9c57a..eda62cd6c689a5a0c4889e8fc3df863ef8aff6ad 100644
--- a/components/nacl/renderer/ppb_nacl_private_impl.cc
+++ b/components/nacl/renderer/ppb_nacl_private_impl.cc
@@ -22,6 +22,7 @@
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/rand_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ -619,6 +620,14 @@
   return PP_FALSE;
 }
 
+int UrandomFD(void) {
+#if defined(OS_POSIX)
+  return base::GetUrandomFD();
+#else
+  return -1;
+#endif
+}
+
 // Convert a URL to a filename for GetReadonlyPnaclFd.
 // Must be kept in sync with PnaclCanOpenFile() in
 // components/nacl/browser/nacl_file_host.cc.
@@ -1691,6 +1700,7 @@
 
 const PPB_NaCl_Private nacl_interface = {
   &LaunchSelLdr,
+  &UrandomFD,
   &GetReadExecPnaclFd,
   &CreateTemporaryFile,
   &GetNumberOfProcessors,