Add SpdyFramer methods for SETTINGS_HEADER_TABLE_SIZE.

net/spdy/spdy_framer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_SPDY_SPDY_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
 
 #include <list>
 #include <map>
 #include <memory>
@@ skipping 572 matching lines @@
   static SpdyPriority MapWeightToPriority(uint8 weight);
 
   // Deliver the given control frame's compressed headers block to the visitor
   // in decompressed form, in chunks. Returns true if the visitor has
   // accepted all of the chunks.
   bool IncrementallyDecompressControlFrameHeaderData(
       SpdyStreamId stream_id,
       const char* data,
       size_t len);
 
+  // Updates the maximum size of header compression table.
+  void UpdateHeaderTableSizeSetting(uint32 value);
+
+  // Returns bound of header compression table size.
+  size_t header_table_size_bound() const;
+
  protected:
   // TODO(jgraettinger): Switch to test peer pattern.
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, BasicCompression);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, ControlFrameSizesAreValidated);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, HeaderCompression);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, DecompressUncompressedFrame);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, ExpandBuffer_HeapSmash);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, HugeHeaderBlock);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest, UnclosedStreamDataCompressors);
   FRIEND_TEST_ALL_PREFIXES(SpdyFramerTest,
@@ skipping 195 matching lines @@
   // isn't guaranteed though: we could have gotten a settings frame and then
   // corrupt data that just looks like HTTP, but deterministic checking requires
   // a lot more state.
   bool probable_http_response_;
 
   // If a HEADERS frame is followed by a CONTINUATION frame, the FIN/END_STREAM
   // flag is still carried in the HEADERS frame. If it's set, flip this so that
   // we know to terminate the stream when the entire header block has been
   // processed.
   bool end_stream_when_done_;
+
+  // Last acknowledged value for SETTINGS_HEADER_TABLE_SIZE.
+  size_t header_table_size_bound_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAMER_H_