clang-format: Add proto files and JavaScript to git-clang-format.

llvm-svn: 205842
diff --git a/clang/tools/clang-format/git-clang-format b/clang/tools/clang-format/git-clang-format
index b0737ed..c40b74d 100755
--- a/clang/tools/clang-format/git-clang-format
+++ b/clang/tools/clang-format/git-clang-format
@@ -75,6 +75,9 @@
       'm',  # ObjC
       'mm',  # ObjC++
       'cc', 'cp', 'cpp', 'c++', 'cxx', 'hpp',  # C++
+      # Other languages that clang-format supports
+      'proto', 'protodevel',  # Protocol Buffers
+      'js',  # JavaScript
       ])
 
   p = argparse.ArgumentParser(