Internationalize the prefix of unconfirmed download file.

chrome/browser/download/download_manager_unittest.cc

Index: chrome/browser/download/download_manager_unittest.cc
diff --git a/chrome/browser/download/download_manager_unittest.cc b/chrome/browser/download/download_manager_unittest.cc
index 2db13be7f78705e741004d86ae543bde01ac1c63..610fb98d7f7fb5bb13bb1a137c4f563ac57e2239 100644
--- a/chrome/browser/download/download_manager_unittest.cc
+++ b/chrome/browser/download/download_manager_unittest.cc
@@ -166,7 +166,7 @@ const struct {
     1, },
   // Dangerous download, download finishes BEFORE rename.
   // Needs to be renamed only once.
-  { FILE_PATH_LITERAL("unconfirmed xxx.crdownload"),
+  { FILE_PATH_LITERAL("Unconfirmed xxx.crdownload"),
     true,
     true,
     false,
@@ -180,7 +180,7 @@ const struct {
     2, },
   // Dangerous download, download finishes AFTER rename.
   // Needs to be renamed only once.
-  { FILE_PATH_LITERAL("unconfirmed xxx.crdownload"),
+  { FILE_PATH_LITERAL("Unconfirmed xxx.crdownload"),
     true,
     false,
     false,