Remove enum SpdyMajorVersion.

net/spdy/spdy_headers_block_parser.cc

Index: net/spdy/spdy_headers_block_parser.cc
diff --git a/net/spdy/spdy_headers_block_parser.cc b/net/spdy/spdy_headers_block_parser.cc
index 6eb16fbe4389079cb846358b263d2f11da619258..5e6bc6f59e7c2ca5da0ffc2c699f6216bdda1997 100644
--- a/net/spdy/spdy_headers_block_parser.cc
+++ b/net/spdy/spdy_headers_block_parser.cc
@@ -23,7 +23,6 @@ const size_t kLengthFieldSize = sizeof(uint32_t);
 const size_t SpdyHeadersBlockParser::kMaximumFieldLength = 16 * 1024;
 
 SpdyHeadersBlockParser::SpdyHeadersBlockParser(
-    SpdyMajorVersion spdy_version,
     SpdyHeadersHandlerInterface* handler)
     : state_(READING_HEADER_BLOCK_LEN),
       max_headers_in_block_(MaxNumberOfHeaders()),
@@ -31,8 +30,7 @@ SpdyHeadersBlockParser::SpdyHeadersBlockParser(
       remaining_key_value_pairs_for_frame_(0),
       handler_(handler),
       stream_id_(kInvalidStreamId),
-      error_(NO_PARSER_ERROR),
-      spdy_version_(spdy_version) {
+      error_(NO_PARSER_ERROR) {
   // The handler that we set must not be NULL.
   DCHECK(handler_ != NULL);
 }