change clang-format settings in docs/vscode.md and docs/qtcreator.md

docs/vscode.md

Index: docs/vscode.md
diff --git a/docs/vscode.md b/docs/vscode.md
index 474de314aa25af70e297b1e0ed565afb8f90a7e8..7f413ea9f22d0a326a9615ea4acd78e5eded0937 100644
--- a/docs/vscode.md
+++ b/docs/vscode.md
@@ -44,7 +44,8 @@ settings.
   "ycmd.confirm_extra_conf": false,
   "ycmd.use_imprecise_get_type": true,
   // clang-format
-  "clang-format.style": "Chromium",
+  "clang-format.executable": "<your_depot_tools>/clang-format",
+  "clang-format.style": "file",
   "editor.formatOnSave": true

[Nico, 2017/03/03 18:28:19]

i wouldn't set this; much of the tree isn't formatted, so this will add spurious
diffs. `git cl format` only touches lines that have been touched

 }
 ```