Remove CreatePlatformFile

BUG=322664

Review URL: https://codereview.chromium.org/227603007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263953 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 95 deletions

diff --git a/base/platform_file_posix.cc b/base/platform_file_posix.cc
index 3ecb0aa..ff92b90 100644
--- a/base/platform_file_posix.cc
+++ b/base/platform_file_posix.cc
@@ -119,101 +119,6 @@ static PlatformFileError CallFctnlFlock(PlatformFile file, bool do_lock) {
 
 // NaCl doesn't implement system calls to open files directly.
 #if !defined(OS_NACL)
-// TODO(erikkay): does it make sense to support PLATFORM_FILE_EXCLUSIVE_* here?
-PlatformFile CreatePlatformFileUnsafe(const FilePath& name,
-                                      int flags,
-                                      bool* created,
-                                      PlatformFileError* error) {
-  base::ThreadRestrictions::AssertIOAllowed();
-
-  int open_flags = 0;
-  if (flags & PLATFORM_FILE_CREATE)
-    open_flags = O_CREAT | O_EXCL;
-
-  if (created)
-    *created = false;
-
-  if (flags & PLATFORM_FILE_CREATE_ALWAYS) {
-    DCHECK(!open_flags);
-    open_flags = O_CREAT | O_TRUNC;
-  }
-
-  if (flags & PLATFORM_FILE_OPEN_TRUNCATED) {
-    DCHECK(!open_flags);
-    DCHECK(flags & PLATFORM_FILE_WRITE);
-    open_flags = O_TRUNC;
-  }
-
-  if (!open_flags && !(flags & PLATFORM_FILE_OPEN) &&
-      !(flags & PLATFORM_FILE_OPEN_ALWAYS)) {
-    NOTREACHED();
-    errno = EOPNOTSUPP;
-    if (error)
-      *error = PLATFORM_FILE_ERROR_FAILED;
-    return kInvalidPlatformFileValue;
-  }
-
-  if (flags & PLATFORM_FILE_WRITE && flags & PLATFORM_FILE_READ) {
-    open_flags |= O_RDWR;
-  } else if (flags & PLATFORM_FILE_WRITE) {
-    open_flags |= O_WRONLY;
-  } else if (!(flags & PLATFORM_FILE_READ) &&
-             !(flags & PLATFORM_FILE_WRITE_ATTRIBUTES) &&
-             !(flags & PLATFORM_FILE_APPEND) &&
-             !(flags & PLATFORM_FILE_OPEN_ALWAYS)) {
-    NOTREACHED();
-  }
-
-  if (flags & PLATFORM_FILE_TERMINAL_DEVICE)
-    open_flags |= O_NOCTTY | O_NDELAY;
-
-  if (flags & PLATFORM_FILE_APPEND && flags & PLATFORM_FILE_READ)
-    open_flags |= O_APPEND | O_RDWR;
-  else if (flags & PLATFORM_FILE_APPEND)
-    open_flags |= O_APPEND | O_WRONLY;
-
-  COMPILE_ASSERT(O_RDONLY == 0, O_RDONLY_must_equal_zero);
-
-  int mode = S_IRUSR | S_IWUSR;
-#if defined(OS_CHROMEOS)
-  mode |= S_IRGRP | S_IROTH;
-#endif
-
-  int descriptor =
-      HANDLE_EINTR(open(name.value().c_str(), open_flags, mode));
-
-  if (flags & PLATFORM_FILE_OPEN_ALWAYS) {
-    if (descriptor < 0) {
-      open_flags |= O_CREAT;
-      if (flags & PLATFORM_FILE_EXCLUSIVE_READ ||
-          flags & PLATFORM_FILE_EXCLUSIVE_WRITE) {
-        open_flags |= O_EXCL;   // together with O_CREAT implies O_NOFOLLOW
-      }
-      descriptor = HANDLE_EINTR(
-          open(name.value().c_str(), open_flags, mode));
-      if (created && descriptor >= 0)
-        *created = true;
-    }
-  }
-
-  if (created && (descriptor >= 0) &&
-      (flags & (PLATFORM_FILE_CREATE_ALWAYS | PLATFORM_FILE_CREATE)))
-    *created = true;
-
-  if ((descriptor >= 0) && (flags & PLATFORM_FILE_DELETE_ON_CLOSE)) {
-    unlink(name.value().c_str());
-  }
-
-  if (error) {
-    if (descriptor >= 0)
-      *error = PLATFORM_FILE_OK;
-    else
-      *error = ErrnoToPlatformFileError(errno);
-  }
-
-  return descriptor;
-}
-
 FILE* FdopenPlatformFile(PlatformFile file, const char* mode) {
   return fdopen(file, mode);
 }