Update SplitString calls to new form

content/browser/download/file_metadata_unittest_linux.cc

Index: content/browser/download/file_metadata_unittest_linux.cc
diff --git a/content/browser/download/file_metadata_unittest_linux.cc b/content/browser/download/file_metadata_unittest_linux.cc
index d3a6ea4c69ef8967342312408a4583d391f738fb..c20e573115ee69d0d29f04ac686b21da893db7fc 100644
--- a/content/browser/download/file_metadata_unittest_linux.cc
+++ b/content/browser/download/file_metadata_unittest_linux.cc
@@ -82,8 +82,9 @@ class FileMetadataLinuxTest : public testing::Test {
     if (len <= static_cast<ssize_t>(0)) return;
     char* buffer = new char[len];
     len = listxattr(test_file().value().c_str(), buffer, len);
-    attr_names->clear();
-    base::SplitString(string(buffer, len), '\0', attr_names);
+    *attr_names = base::SplitString(string(buffer, len), std::string(1, '\0'),
+                                    base::TRIM_WHITESPACE,
+                                    base::SPLIT_WANT_ALL);
     delete[] buffer;
   }