Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/reflection.h

Index: third_party/protobuf/src/google/protobuf/reflection.h
diff --git a/third_party/protobuf/src/google/protobuf/reflection.h b/third_party/protobuf/src/google/protobuf/reflection.h
index d5a6653cb9f82cf5ea18c0b92699e5e4710b56b5..671aafdc4e276e6e30752fda3c6dded6e6f0bbfd 100755
--- a/third_party/protobuf/src/google/protobuf/reflection.h
+++ b/third_party/protobuf/src/google/protobuf/reflection.h
@@ -80,12 +80,6 @@ class RepeatedFieldRef<
 
   typedef IteratorType iterator;
   typedef IteratorType const_iterator;
-  typedef T value_type;
-  typedef T& reference;
-  typedef const T& const_reference;
-  typedef int size_type;
-  typedef ptrdiff_t difference_type;
-
   iterator begin() const {
     return iterator(data_, accessor_, true);
   }
@@ -208,18 +202,11 @@ class RepeatedFieldRef<
 
   typedef IteratorType iterator;
   typedef IteratorType const_iterator;
-  typedef T value_type;
-  typedef T& reference;
-  typedef const T& const_reference;
-  typedef int size_type;
-  typedef ptrdiff_t difference_type;
-
   iterator begin() const {
     return iterator(data_, accessor_, true, NewMessage());
   }
   iterator end() const {
-    // The end iterator must not be dereferenced, no need for scratch space.
-    return iterator(data_, accessor_, false, NULL);
+    return iterator(data_, accessor_, false, NewMessage());
   }
 
  private:
@@ -369,7 +356,7 @@ class LIBPROTOBUF_EXPORT RepeatedFieldAccessor {
   virtual void Swap(Field* data, const RepeatedFieldAccessor* other_mutator,
                     Field* other_data) const = 0;
 
-  // Create an iterator that points at the beginning of the repeated field.
+  // Create an iterator that points at the begining of the repeated field.
   virtual Iterator* BeginIterator(const Field* data) const = 0;
   // Create an iterator that points at the end of the repeated field.
   virtual Iterator* EndIterator(const Field* data) const = 0;
@@ -441,13 +428,13 @@ class RepeatedFieldRefIterator
  public:
   // Constructor for non-message fields.
   RepeatedFieldRefIterator(const void* data,
-                           const RepeatedFieldAccessor* accessor, bool begin)
-      : data_(data),
-        accessor_(accessor),
-        iterator_(begin ? accessor->BeginIterator(data)
-                        : accessor->EndIterator(data)),
-        // The end iterator must not be dereferenced, no need for scratch space.
-        scratch_space_(begin ? new AccessorValueType : NULL) {}
+                           const RepeatedFieldAccessor* accessor,
+                           bool begin)
+      : data_(data), accessor_(accessor),
+        iterator_(begin ? accessor->BeginIterator(data) :
+                          accessor->EndIterator(data)),
+        scratch_space_(new AccessorValueType) {
+  }
   // Constructor for message fields.
   RepeatedFieldRefIterator(const void* data,
                            const RepeatedFieldAccessor* accessor,