Make file_util::CreateDirectory return an error, not just a bool

third_party/leveldatabase/env_chromium.cc

Index: third_party/leveldatabase/env_chromium.cc
diff --git a/third_party/leveldatabase/env_chromium.cc b/third_party/leveldatabase/env_chromium.cc
index 1d2a74e2c6f68cf1eb86d42c94bacbd0bef36bb1..71a5c88077b9bb312173f2be6e235b8b14c922a1 100644
--- a/third_party/leveldatabase/env_chromium.cc
+++ b/third_party/leveldatabase/env_chromium.cc
@@ -616,10 +616,14 @@ Status ChromiumEnv::DeleteFile(const std::string& fname) {
 
 Status ChromiumEnv::CreateDir(const std::string& name) {
   Status result;
-  if (!::file_util::CreateDirectory(CreateFilePath(name))) {
-    result = MakeIOError(name, "Could not create directory.", kCreateDir);
-    RecordErrorAt(kCreateDir);
-  }
+  base::PlatformFileError error = base::PLATFORM_FILE_OK;
+  Retrier retrier(kCreateDir, this);
+  do {
+    if (::file_util::CreateDirectoryAndGetError(CreateFilePath(name), &error))
+      return result;
+  } while (retrier.ShouldKeepTrying(error));
+  result = MakeIOError(name, "Could not create directory.", kCreateDir);
+  RecordErrorAt(kCreateDir);
   return result;
 }