[NaCl SDK] nacl_io: Change default root filesystem type from passthroughfs to memfs

native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc

Index: native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc b/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
index b554ade35226994cee50d28578dfc2fba3e156db..d3cc4d092746302689c534f1228864cbf4941992 100644
--- a/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
+++ b/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
@@ -77,18 +77,21 @@ Error KernelProxy::Init(PepperInterface* ppapi) {
   dev_ = 1;
 
   factories_["memfs"] = new TypedFsFactory<MemFs>;
-  factories_["dev"] = new TypedFsFactory<DevFs>;
+  factories_["devfs"] = new TypedFsFactory<DevFs>;
   factories_["html5fs"] = new TypedFsFactory<Html5Fs>;
   factories_["httpfs"] = new TypedFsFactory<HttpFs>;
   factories_["passthroughfs"] = new TypedFsFactory<PassthroughFs>;
 
   ScopedFilesystem root_fs;
-  rtn = MountInternal("", "/", "passthroughfs", 0, NULL, false, &root_fs);
+  rtn = MountInternal("", "/", "memfs", 0, NULL, false, &root_fs);
+  if (rtn != 0)
+    return rtn;
+  rtn = this->mkdir("/dev", 0777);
   if (rtn != 0)
     return rtn;
 
   ScopedFilesystem fs;
-  rtn = MountInternal("", "/dev", "dev", 0, NULL, false, &fs);
+  rtn = MountInternal("", "/dev", "devfs", 0, NULL, false, &fs);
   if (rtn != 0)
     return rtn;
   dev_fs_ = sdk_util::static_scoped_ref_cast<DevFs>(fs);
@@ -105,21 +108,21 @@ Error KernelProxy::Init(PepperInterface* ppapi) {
 
   // Open the first three in order to get STDIN, STDOUT, STDERR
   int fd;
-  fd = open("/dev/stdin", O_RDONLY, 0);
+  fd = this->open("/dev/stdin", O_RDONLY, 0);
   if (fd < 0) {
     LOG_ERROR("failed to open /dev/stdin: %s", strerror(errno));
     return errno;
   }
   assert(fd == 0);
 
-  fd = open("/dev/stdout", O_WRONLY, 0);
+  fd = this->open("/dev/stdout", O_WRONLY, 0);
   if (fd < 0) {
     LOG_ERROR("failed to open /dev/stdout: %s", strerror(errno));
     return errno;
   }
   assert(fd == 1);
 
-  fd = open("/dev/stderr", O_WRONLY, 0);
+  fd = this->open("/dev/stderr", O_WRONLY, 0);
   if (fd < 0) {
     LOG_ERROR("failed to open /dev/sterr: %s", strerror(errno));
     return errno;