In CreateFolder, delete code to recursively create parent directories.

webrtc/rtc_base/unixfilesystem.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 55 matching lines @@
   struct stat st;
   int res = ::stat(pathname.c_str(), &st);
   if (res == 0) {
     // Something exists at this location, check if it is a directory
     return S_ISDIR(st.st_mode) != 0;
   } else if (errno != ENOENT) {
     // Unexpected error
     return false;
   }
 
-  // Directory doesn't exist, look up one directory level
-  do {
-    --len;
-  } while ((len > 0) && (pathname[len - 1] != '/'));
-
-  if (!CreateFolder(Pathname(pathname.substr(0, len)), mode)) {
-    return false;
-  }
-
   LOG(LS_INFO) << "Creating folder: " << pathname;
   return (0 == ::mkdir(pathname.c_str(), mode));
 }
 
 bool UnixFilesystem::CreateFolder(const Pathname &path) {
   return CreateFolder(path, 0755);
 }
 
 bool UnixFilesystem::DeleteFile(const Pathname &filename) {
   LOG(LS_INFO) << "Deleting file:" << filename.pathname();
@@ skipping 79 matching lines @@
 
 }  // namespace rtc
 
 #if defined(__native_client__)
 extern "C" int __attribute__((weak))
 link(const char* oldpath, const char* newpath) {
   errno = EACCES;
   return -1;
 }
 #endif