[NaCl SDK] nacl_io: Remove use of new/delete for data buffers.

native_client_sdk/src/libraries/nacl_io/memfs/mem_fs_node.h

Index: native_client_sdk/src/libraries/nacl_io/memfs/mem_fs_node.h
diff --git a/native_client_sdk/src/libraries/nacl_io/memfs/mem_fs_node.h b/native_client_sdk/src/libraries/nacl_io/memfs/mem_fs_node.h
index e734b1d5ac346aea2f2a96ae13bcbf4aaa595ee9..77a327a31f02a30aa1e4c386c678882093492951 100644
--- a/native_client_sdk/src/libraries/nacl_io/memfs/mem_fs_node.h
+++ b/native_client_sdk/src/libraries/nacl_io/memfs/mem_fs_node.h
@@ -7,8 +7,6 @@
 
 #include "nacl_io/node.h"
 
-#include <vector>
-
 namespace nacl_io {
 
 class MemFsNode : public Node {
@@ -31,9 +29,10 @@ class MemFsNode : public Node {
   virtual Error FTruncate(off_t size);
 
  private:
-  void Resize(off_t size);
+  Error Resize(off_t size);
 
-  std::vector<char> data_;
+  char* data_;
+  size_t data_capacity_;
   friend class MemFs;
 };