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

third_party/protobuf/src/google/protobuf/compiler/parser_unittest.cc

Index: third_party/protobuf/src/google/protobuf/compiler/parser_unittest.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/parser_unittest.cc b/third_party/protobuf/src/google/protobuf/compiler/parser_unittest.cc
index 20140f8e7b6a80a6adbde2484aac51248774a0c9..1d623dd90b21ec4f3b6fef9643e530491b72d554 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/parser_unittest.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/parser_unittest.cc
@@ -2218,7 +2218,7 @@ class SourceInfoTest : public ParserTest {
       const char* expected_leading_comments,
       const char* expected_trailing_comments,
       const char* expected_leading_detached_comments) {
-    std::pair<SpanMap::iterator, SpanMap::iterator> range =
+    pair<SpanMap::iterator, SpanMap::iterator> range =
         spans_.equal_range(SpanKey(descriptor_proto, field, index));
 
     if (start_marker == '\0') {
@@ -2229,8 +2229,8 @@ class SourceInfoTest : public ParserTest {
         return true;
       }
     } else {
-      std::pair<int, int> start_pos = FindOrDie(markers_, start_marker);
-      std::pair<int, int> end_pos = FindOrDie(markers_, end_marker);
+      pair<int, int> start_pos = FindOrDie(markers_, start_marker);
+      pair<int, int> end_pos = FindOrDie(markers_, end_marker);
 
       RepeatedField<int> expected_span;
       expected_span.Add(start_pos.first);
@@ -2295,9 +2295,9 @@ class SourceInfoTest : public ParserTest {
     }
   };
 
-  typedef std::multimap<SpanKey, const SourceCodeInfo::Location*> SpanMap;
+  typedef multimap<SpanKey, const SourceCodeInfo::Location*> SpanMap;
   SpanMap spans_;
-  std::map<char, std::pair<int, int> > markers_;
+  map<char, pair<int, int> > markers_;
   string text_without_markers_;
 
   void ExtractMarkers(const char* text) {