ReadDirectory() added in webrtc/test/testsupport/fileutils.h

webrtc/test/testsupport/fileutils.h

Index: webrtc/test/testsupport/fileutils.h
diff --git a/webrtc/test/testsupport/fileutils.h b/webrtc/test/testsupport/fileutils.h
index 2135681380c0fed1cd4510c640e20a9b9cf03f63..434287d6d94ab598f6582965f5640209320112f5 100644
--- a/webrtc/test/testsupport/fileutils.h
+++ b/webrtc/test/testsupport/fileutils.h
@@ -14,6 +14,9 @@
 #define WEBRTC_TEST_TESTSUPPORT_FILEUTILS_H_
 
 #include <string>
+#include <vector>
+
+#include "webrtc/base/optional.h"
 
 namespace webrtc {
 namespace test {
@@ -66,6 +69,12 @@ std::string ResourcePath(const std::string& name,
 // directory.
 std::string WorkingDir();
 
+// Reads the content of a directory and, in case of success, returns a vector
+// of strings with one element for each found file or directory. Each element is
+// a path created by prepending |dir| to the file/directory name. "." and ".."
+// are never added in the returned vector.
+rtc::Optional<std::vector<std::string>> ReadDirectory(std::string path);
+
 // Creates a directory if it not already exists.
 // Returns true if successful. Will print an error message to stderr and return
 // false if a file with the same name already exists.