Create ppd_cache directory if it doesn't exist. Also, rename it to CamelCase to match the observed…

chrome/common/chrome_paths.cc

Index: chrome/common/chrome_paths.cc
diff --git a/chrome/common/chrome_paths.cc b/chrome/common/chrome_paths.cc
index dcb04ae7838159f039768774533a175ec43b40ee..fbb022efbe0510736fdb9b1eee37c28d6e65bb79 100644
--- a/chrome/common/chrome_paths.cc
+++ b/chrome/common/chrome_paths.cc
@@ -433,7 +433,8 @@ bool PathProvider(int key, base::FilePath* result) {
     case chrome::DIR_CHROMEOS_PPD_CACHE:
       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
         return false;
-      cur = cur.Append(FILE_PATH_LITERAL("ppd_cache"));
+      cur = cur.Append(FILE_PATH_LITERAL("PpdCache"));
+      create_dir = true;
       break;
 #endif
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)