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base/file_util_win.cc

Index: base/file_util_win.cc
diff --git a/base/file_util_win.cc b/base/file_util_win.cc
index d1cdc6cee4bf68ac9b00671a46ce0f3766ba7b7c..445f82e17e28f9eddd404716eb0e3e3dd6f5f5e8 100644
--- a/base/file_util_win.cc
+++ b/base/file_util_win.cc
@@ -500,12 +500,9 @@ bool CreateTemporaryFileInDir(const FilePath& dir,
   return true;
 }
 
-bool CreateNewTempDirectory(const FilePath::StringType& prefix,
-                            FilePath* new_temp_path) {
-  FilePath system_temp_dir;
-  if (!GetTempDir(&system_temp_dir))
-    return false;
-
+bool CreateTemporaryDirInDir(const FilePath& base_dir,
+                             const FilePath::StringType& prefix,
+                             FilePath* new_dir) {
   FilePath path_to_create;
   srand(static_cast<uint32>(time(NULL)));
 
@@ -513,12 +510,13 @@ bool CreateNewTempDirectory(const FilePath::StringType& prefix,
   while (count < 50) {
     // Try create a new temporary directory with random generated name. If
     // the one exists, keep trying another path name until we reach some limit.
-    path_to_create = system_temp_dir;
+    path_to_create = base_dir;
+
     std::wstring new_dir_name;
     new_dir_name.assign(prefix);
     new_dir_name.append(IntToWString(rand() % kint16max));
-    path_to_create = path_to_create.Append(new_dir_name);
 
+    path_to_create = path_to_create.Append(new_dir_name);
     if (::CreateDirectory(path_to_create.value().c_str(), NULL))
       break;
     count++;
@@ -528,10 +526,19 @@ bool CreateNewTempDirectory(const FilePath::StringType& prefix,
     return false;
   }
 
-  *new_temp_path = path_to_create;
+  *new_dir = path_to_create;
   return true;
 }
 
+bool CreateNewTempDirectory(const FilePath::StringType& prefix,
+                            FilePath* new_temp_path) {
+  FilePath system_temp_dir;
+  if (!GetTempDir(&system_temp_dir))
+    return false;
+
+  return CreateTemporaryDirInDir(system_temp_dir, prefix, new_temp_path);
+}
+
 bool CreateDirectory(const FilePath& full_path) {
   // If the path exists, we've succeeded if it's a directory, failed otherwise.
   const wchar_t* full_path_str = full_path.value().c_str();