Remove limit on individual hpack string literals.

net/spdy/hpack/hpack_huffman_decoder.h

Index: net/spdy/hpack/hpack_huffman_decoder.h
diff --git a/net/spdy/hpack/hpack_huffman_decoder.h b/net/spdy/hpack/hpack_huffman_decoder.h
index d63aa0485223a4b49bce780f5971fbcd0c2e8401..302e6c97a48b6ac2019bba723d1a1b4a24c3df90 100644
--- a/net/spdy/hpack/hpack_huffman_decoder.h
+++ b/net/spdy/hpack/hpack_huffman_decoder.h
@@ -34,9 +34,8 @@ class NET_EXPORT_PRIVATE HpackHuffmanDecoder {
   // sufficient space in |*out| to hold decoded output.
   // DecodeString() halts when |in| runs out of input, in which case true is
   // returned. It also halts (returning false) if an invalid Huffman code
-  // prefix is read, or if |out_capacity| would otherwise be overflowed.
+  // prefix is read.
   static bool DecodeString(HpackInputStream* in,
-                           size_t out_capacity,
                            std::string* out);
 
  private: