Revert 51231 - Loosen permission on extension temp dir when a flag is used....

base/file_util_win.cc

Index: base/file_util_win.cc
===================================================================
--- base/file_util_win.cc	(revision 51236)
+++ base/file_util_win.cc	(working copy)
@@ -63,56 +63,6 @@
   return true;
 }
 
-// Build a security descriptor with the weakest possible file permissions.
-bool InitLooseSecurityDescriptor(SECURITY_ATTRIBUTES *sa,
-                                 SECURITY_DESCRIPTOR *sd) {
-  DWORD last_error;
-
-  if (!InitializeSecurityDescriptor(sd, SECURITY_DESCRIPTOR_REVISION)) {
-    last_error = GetLastError();
-    LOG(ERROR) << "InitializeSecurityDescriptor failed: GetLastError() = "
-               << last_error;
-    return false;
-  }
-
-  if (!SetSecurityDescriptorDacl(sd,
-                                 TRUE,  // bDaclPresent: Add one to |sd|.
-                                 NULL,  // pDacl: NULL means allow all access.
-                                 FALSE  // bDaclDefaulted: Not defaulted.
-                                 )) {
-    last_error = GetLastError();
-    LOG(ERROR) << "SetSecurityDescriptorDacl() failed: GetLastError() = "
-               << last_error;
-    return false;
-  }
-
-  if (!SetSecurityDescriptorGroup(sd,
-                                  NULL,  // pGroup: No no primary group.
-                                  FALSE  // bGroupDefaulted: Not defaulted.
-                                  )) {
-    last_error = GetLastError();
-    LOG(ERROR) << "SetSecurityDescriptorGroup() failed: GetLastError() = "
-               << last_error;
-    return false;
-  }
-
-  if (!SetSecurityDescriptorSacl(sd,
-                                 FALSE,  // bSaclPresent: No SACL.
-                                 NULL,
-                                 FALSE
-                                 )) {
-    last_error = GetLastError();
-    LOG(ERROR) << "SetSecurityDescriptorSacl() failed: GetLastError() = "
-               << last_error;
-    return false;
-  }
-
-  sa->nLength = sizeof(SECURITY_ATTRIBUTES);
-  sa->lpSecurityDescriptor = sd;
-  sa->bInheritHandle = TRUE;
-  return true;
-}
-
 }  // namespace
 
 std::wstring GetDirectoryFromPath(const std::wstring& path) {
@@ -600,19 +550,7 @@
 
 bool CreateTemporaryDirInDir(const FilePath& base_dir,
                              const FilePath::StringType& prefix,
-                             FilePath* new_dir,
-                             bool loosen_permissions) {
-  SECURITY_ATTRIBUTES sa;
-  SECURITY_DESCRIPTOR sd;
-
-  LPSECURITY_ATTRIBUTES directory_security_attributes = NULL;
-  if (loosen_permissions) {
-    if (InitLooseSecurityDescriptor(&sa, &sd))
-      directory_security_attributes = &sa;
-    else
-      LOG(ERROR) << "Failed to init security attributes, fall back to NULL.";
-  }
-
+                             FilePath* new_dir) {
   FilePath path_to_create;
   srand(static_cast<uint32>(time(NULL)));
 
@@ -627,8 +565,7 @@
     new_dir_name.append(IntToWString(rand() % kint16max));
 
     path_to_create = path_to_create.Append(new_dir_name);
-    if (::CreateDirectory(path_to_create.value().c_str(),
-                          directory_security_attributes))
+    if (::CreateDirectory(path_to_create.value().c_str(), NULL))
       break;
     count++;
   }
@@ -638,7 +575,6 @@
   }
 
   *new_dir = path_to_create;
-
   return true;
 }
 
@@ -648,10 +584,7 @@
   if (!GetTempDir(&system_temp_dir))
     return false;
 
-  return CreateTemporaryDirInDir(system_temp_dir,
-                                 prefix,
-                                 new_temp_path,
-                                 false);
+  return CreateTemporaryDirInDir(system_temp_dir, prefix, new_temp_path);
 }
 
 bool CreateDirectory(const FilePath& full_path) {