Dispatch encoded_data_length separately in content/child

content/public/child/fixed_received_data.h

Index: content/public/child/fixed_received_data.h
diff --git a/content/public/child/fixed_received_data.h b/content/public/child/fixed_received_data.h
index 102ff369711d4805971d4877fbd6b9d34b119481..0869ed075c4fe8739f7d3211d4f40b4978b63932 100644
--- a/content/public/child/fixed_received_data.h
+++ b/content/public/child/fixed_received_data.h
@@ -18,18 +18,16 @@ namespace content {
 class CONTENT_EXPORT FixedReceivedData final
     : public RequestPeer::ThreadSafeReceivedData {
  public:
-  FixedReceivedData(const char* data, size_t length, int encoded_data_length);
+  FixedReceivedData(const char* data, size_t length);
   explicit FixedReceivedData(ReceivedData* data);
-  FixedReceivedData(const std::vector<char>& data, int encoded_data_length);
+  FixedReceivedData(const std::vector<char>& data);
   ~FixedReceivedData() override;
 
   const char* payload() const override;
   int length() const override;
-  int encoded_data_length() const override;
 
  private:
   std::vector<char> data_;
-  int encoded_data_length_;
 
   DISALLOW_COPY_AND_ASSIGN(FixedReceivedData);
 };