Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/src/google/protobuf/io/tokenizer.cc

Index: third_party/protobuf/src/google/protobuf/io/tokenizer.cc
diff --git a/third_party/protobuf/src/google/protobuf/io/tokenizer.cc b/third_party/protobuf/src/google/protobuf/io/tokenizer.cc
index 916d1606b767d84c9d16ba73097245e8a92de2aa..b3550dfbafc6384b9735b105984ffcf288ae07b1 100644
--- a/third_party/protobuf/src/google/protobuf/io/tokenizer.cc
+++ b/third_party/protobuf/src/google/protobuf/io/tokenizer.cc
@@ -665,7 +665,7 @@ namespace {
 class CommentCollector {
  public:
   CommentCollector(string* prev_trailing_comments,
-                   std::vector<string>* detached_comments,
+                   vector<string>* detached_comments,
                    string* next_leading_comments)
       : prev_trailing_comments_(prev_trailing_comments),
         detached_comments_(detached_comments),
@@ -737,7 +737,7 @@ class CommentCollector {
 
  private:
   string* prev_trailing_comments_;
-  std::vector<string>* detached_comments_;
+  vector<string>* detached_comments_;
   string* next_leading_comments_;
 
   string comment_buffer_;
@@ -757,7 +757,7 @@ class CommentCollector {
 } // namespace
 
 bool Tokenizer::NextWithComments(string* prev_trailing_comments,
-                                 std::vector<string>* detached_comments,
+                                 vector<string>* detached_comments,
                                  string* next_leading_comments) {
   CommentCollector collector(prev_trailing_comments, detached_comments,
                              next_leading_comments);