Split net/spdy into core and chromium subdirectories.

net/spdy/hpack/hpack_header_table.h

Index: net/spdy/hpack/hpack_header_table.h
diff --git a/net/spdy/hpack/hpack_header_table.h b/net/spdy/hpack/hpack_header_table.h
deleted file mode 100644
index 0cbef3268d1407dfd5d3b88aebc6cbd92a8bff06..0000000000000000000000000000000000000000
--- a/net/spdy/hpack/hpack_header_table.h
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright 2014 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_HPACK_HPACK_HEADER_TABLE_H_
-#define NET_SPDY_HPACK_HPACK_HEADER_TABLE_H_
-
-#include <cstddef>
-#include <deque>
-#include <memory>
-#include <unordered_map>
-#include <unordered_set>
-
-#include "base/macros.h"
-#include "net/base/net_export.h"
-#include "net/spdy/hpack/hpack_entry.h"
-#include "net/spdy/platform/api/spdy_string_piece.h"
-
-// All section references below are to http://tools.ietf.org/html/rfc7541.
-
-namespace net {
-
-namespace test {
-class HpackHeaderTablePeer;
-}  // namespace test
-
-// A data structure for the static table (2.3.1) and the dynamic table (2.3.2).
-class NET_EXPORT_PRIVATE HpackHeaderTable {
- public:
-  friend class test::HpackHeaderTablePeer;
-
-  // Debug visitor my be used to extract debug/internal information
-  // about the HpackHeaderTable as it operates.
-  //
-  // Most HpackHeaderTable implementations do not need to bother with
-  // this interface at all.
-  class DebugVisitorInterface {
-   public:
-    virtual ~DebugVisitorInterface() {}
-
-    // |OnNewEntry()| and |OnUseEntry()| can be used together to
-    // gather data about the distribution of time intervals between
-    // creation and reference of entries in the dynamic table.  The
-    // data is desired to sanity check a proposed extension to HPACK
-    // for QUIC that would eliminate inter-stream head of line
-    // blocking (due to standard HPACK).  The visitor should return
-    // the current time from |OnNewEntry()|, which will be passed
-    // to |OnUseEntry()| each time that particular entry is used to
-    // emit an indexed representation.
-    virtual int64_t OnNewEntry(const HpackEntry& entry) = 0;
-    virtual void OnUseEntry(const HpackEntry& entry) = 0;
-  };
-
-  // HpackHeaderTable takes advantage of the deque property that references
-  // remain valid, so long as insertions & deletions are at the head & tail.
-  // If this changes (eg we start to drop entries from the middle of the table),
-  // this needs to be a std::list, in which case |*_index_| can be trivially
-  // extended to map to list iterators.
-  typedef std::deque<HpackEntry> EntryTable;
-
-  struct NET_EXPORT_PRIVATE EntryHasher {
-    size_t operator()(const HpackEntry* entry) const;
-  };
-  struct NET_EXPORT_PRIVATE EntriesEq {
-    bool operator()(const HpackEntry* lhs, const HpackEntry* rhs) const;
-  };
-
-  using UnorderedEntrySet =
-      std::unordered_set<HpackEntry*, EntryHasher, EntriesEq>;
-  using NameToEntryMap = std::
-      unordered_map<SpdyStringPiece, const HpackEntry*, base::StringPieceHash>;
-
-  HpackHeaderTable();
-
-  ~HpackHeaderTable();
-
-  // Last-acknowledged value of SETTINGS_HEADER_TABLE_SIZE.
-  size_t settings_size_bound() const { return settings_size_bound_; }
-
-  // Current and maximum estimated byte size of the table, as described in
-  // 4.1. Notably, this is /not/ the number of entries in the table.
-  size_t size() const { return size_; }
-  size_t max_size() const { return max_size_; }
-
-  // Returns the entry matching the index, or NULL.
-  const HpackEntry* GetByIndex(size_t index);
-
-  // Returns the lowest-value entry having |name|, or NULL.
-  const HpackEntry* GetByName(SpdyStringPiece name);
-
-  // Returns the lowest-index matching entry, or NULL.
-  const HpackEntry* GetByNameAndValue(SpdyStringPiece name,
-                                      SpdyStringPiece value);
-
-  // Returns the index of an entry within this header table.
-  size_t IndexOf(const HpackEntry* entry) const;
-
-  // Sets the maximum size of the header table, evicting entries if
-  // necessary as described in 5.2.
-  void SetMaxSize(size_t max_size);
-
-  // Sets the SETTINGS_HEADER_TABLE_SIZE bound of the table. Will call
-  // SetMaxSize() as needed to preserve max_size() <= settings_size_bound().
-  void SetSettingsHeaderTableSize(size_t settings_size);
-
-  // Determine the set of entries which would be evicted by the insertion
-  // of |name| & |value| into the table, as per section 4.4. No eviction
-  // actually occurs. The set is returned via range [begin_out, end_out).
-  void EvictionSet(SpdyStringPiece name,
-                   SpdyStringPiece value,
-                   EntryTable::iterator* begin_out,
-                   EntryTable::iterator* end_out);
-
-  // Adds an entry for the representation, evicting entries as needed. |name|
-  // and |value| must not be owned by an entry which could be evicted. The
-  // added HpackEntry is returned, or NULL is returned if all entries were
-  // evicted and the empty table is of insufficent size for the representation.
-  const HpackEntry* TryAddEntry(SpdyStringPiece name, SpdyStringPiece value);
-
-  void DebugLogTableState() const;
-
-  void set_debug_visitor(std::unique_ptr<DebugVisitorInterface> visitor) {
-    debug_visitor_ = std::move(visitor);
-  }
-
-  // Returns the estimate of dynamically allocated memory in bytes.
-  size_t EstimateMemoryUsage() const;
-
- private:
-  // Returns number of evictions required to enter |name| & |value|.
-  size_t EvictionCountForEntry(SpdyStringPiece name,
-                               SpdyStringPiece value) const;
-
-  // Returns number of evictions required to reclaim |reclaim_size| table size.
-  size_t EvictionCountToReclaim(size_t reclaim_size) const;
-
-  // Evicts |count| oldest entries from the table.
-  void Evict(size_t count);
-
-  // |static_entries_| and |static_index_| are owned by HpackStaticTable
-  // singleton.
-  const EntryTable& static_entries_;
-  EntryTable dynamic_entries_;
-
-  // Tracks the unique HpackEntry for a given header name and value.
-  const UnorderedEntrySet& static_index_;
-
-  // Tracks the first static entry for each name in the static table.
-  const NameToEntryMap& static_name_index_;
-
-  // Tracks the most recently inserted HpackEntry for a given header name and
-  // value.
-  UnorderedEntrySet dynamic_index_;
-
-  // Tracks the most recently inserted HpackEntry for a given header name.
-  NameToEntryMap dynamic_name_index_;
-
-  // Last acknowledged value for SETTINGS_HEADER_TABLE_SIZE.
-  size_t settings_size_bound_;
-
-  // Estimated current and maximum byte size of the table.
-  // |max_size_| <= |settings_size_bound_|
-  size_t size_;
-  size_t max_size_;
-
-  // Total number of table insertions which have occurred. Referenced by
-  // IndexOf() for determination of an HpackEntry's table index.
-  size_t total_insertions_;
-
-  std::unique_ptr<DebugVisitorInterface> debug_visitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(HpackHeaderTable);
-};
-
-}  // namespace net
-
-#endif  // NET_SPDY_HPACK_HPACK_HEADER_TABLE_H_