1 files changed, 6 insertions, 4 deletions
diff --git a/src/google/protobuf/wire_format_lite.h b/src/google/protobuf/wire_format_lite.h
index e3d5b2d8..cb4fc918 100644
--- a/src/google/protobuf/wire_format_lite.h
+++ b/src/google/protobuf/wire_format_lite.h
@@ -41,16 +41,14 @@
 #define GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_H__
 
 #include <string>
+#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message_lite.h>
+#include <google/protobuf/io/coded_stream.h>  // for CodedOutputStream::Varint32Size
 
 namespace google {
 
 namespace protobuf {
   template <typename T> class RepeatedField;  // repeated_field.h
-  namespace io {
-    class CodedInputStream;             // coded_stream.h
-    class CodedOutputStream;            // coded_stream.h
-  }
 }
 
 namespace protobuf {
@@ -477,6 +475,10 @@ class LIBPROTOBUF_EXPORT WireFormatLite {
   template<typename MessageType>
   static inline int MessageSizeNoVirtual(const MessageType& value);
 
+  // Given the length of data, calculate the byte size of the data on the
+  // wire if we encode the data as a length delimited field.
+  static inline int LengthDelimitedSize(int length);
+
  private:
   // A helper method for the repeated primitive reader. This method has
   // optimizations for primitive types that have fixed size on the wire, and