clang-format: [JS] Clean up export declaration parsing.

NFC intended.

llvm-svn: 236982
diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index 437d688..a2afcc0 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -1666,10 +1666,12 @@
   assert(FormatTok->isOneOf(Keywords.kw_import, tok::kw_export));
   nextToken();
 
-  // Consume "function" and "default function", so that these get parsed as
-  // free-standing JS functions, i.e. do not require a trailing semicolon.
+  // Consume the "default" in "export default class/function".
   if (FormatTok->is(tok::kw_default))
     nextToken();
+
+  // Consume "function" and "default function", so that these get parsed as
+  // free-standing JS functions, i.e. do not require a trailing semicolon.
   if (FormatTok->is(Keywords.kw_function)) {
     nextToken();
     return;
@@ -1678,11 +1680,6 @@
   if (FormatTok->isOneOf(tok::kw_const, tok::kw_class, Keywords.kw_var))
     return; // Fall through to parsing the corresponding structure.
 
-  if (FormatTok->is(tok::kw_default)) {
-    nextToken(); // export default ..., fall through after eating 'default'.
-    return;
-  }
-
   if (FormatTok->is(tok::l_brace)) {
     FormatTok->BlockKind = BK_Block;
     parseBracedList();