Rename domain_security_preload_generator.

net/tools/domain_security_preload_generator/trie/trie_bit_buffer.cc

Index: net/tools/domain_security_preload_generator/trie/trie_bit_buffer.cc
diff --git a/net/tools/domain_security_preload_generator/trie/trie_bit_buffer.cc b/net/tools/domain_security_preload_generator/trie/trie_bit_buffer.cc
deleted file mode 100644
index 93af94b39377c17a0a6edf4849657ab2a029c7cc..0000000000000000000000000000000000000000
--- a/net/tools/domain_security_preload_generator/trie/trie_bit_buffer.cc
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright (c) 2016 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.
-
-#include "net/tools/domain_security_preload_generator/trie/trie_bit_buffer.h"
-
-#include "base/logging.h"
-#include "net/tools/domain_security_preload_generator/bit_writer.h"
-
-namespace net {
-
-namespace transport_security_state {
-
-TrieBitBuffer::TrieBitBuffer() {}
-
-TrieBitBuffer::~TrieBitBuffer() {}
-
-void TrieBitBuffer::WriteBit(uint8_t bit) {
-  current_byte_ |= bit << (7 - used_);
-  used_++;
-
-  if (used_ == 8) {
-    Flush();
-  }
-}
-
-void TrieBitBuffer::WriteBits(uint32_t bits, uint8_t number_of_bits) {
-  DCHECK(number_of_bits <= 32);
-  for (uint8_t i = 1; i <= number_of_bits; i++) {
-    uint8_t bit = 1 & (bits >> (number_of_bits - i));
-    WriteBit(bit);
-  }
-}
-
-void TrieBitBuffer::WritePosition(uint32_t position, int32_t* last_position) {
-  if (*last_position != -1) {
-    int32_t delta = position - *last_position;
-    DCHECK(delta > 0) << "delta position is not positive.";
-
-    uint8_t number_of_bits = BitLength(delta);
-    DCHECK(number_of_bits <= 7 + 15) << "positive position delta too large.";
-
-    if (number_of_bits <= 7) {
-      WriteBits(0, 1);
-      WriteBits(delta, 7);
-    } else {
-      WriteBits(1, 1);
-      WriteBits(number_of_bits - 8, 4);
-      WriteBits(delta, number_of_bits);
-    }
-
-    *last_position = position;
-    return;
-  }
-
-  if (used_ != 0) {
-    Flush();
-  }
-
-  AppendPositionElement(position);
-
-  *last_position = position;
-}
-
-uint8_t TrieBitBuffer::BitLength(uint32_t input) const {
-  uint8_t number_of_bits = 0;
-  while (input != 0) {
-    number_of_bits++;
-    input >>= 1;
-  }
-  return number_of_bits;
-}
-
-void TrieBitBuffer::WriteChar(uint8_t byte,
-                              const HuffmanRepresentationTable& table,
-                              HuffmanFrequencyTracker* tracker) {
-  HuffmanRepresentationTable::const_iterator item;
-  item = table.find(byte);
-  DCHECK(item != table.end());
-  if (tracker) {
-    tracker->RecordUsage(byte);
-  }
-  WriteBits(item->second.bits, item->second.number_of_bits);
-}
-
-void TrieBitBuffer::AppendBitsElement(uint8_t bits, uint8_t number_of_bits) {
-  BitsOrPosition element;
-  element.bits = current_byte_;
-  element.number_of_bits = used_;
-  elements_.push_back(element);
-}
-
-void TrieBitBuffer::AppendPositionElement(uint32_t position) {
-  BitsOrPosition element;
-  element.position = position;
-  element.number_of_bits = 0;
-  elements_.push_back(element);
-}
-
-uint32_t TrieBitBuffer::WriteToBitWriter(BitWriter* writer) {
-  Flush();
-
-  uint32_t old_position = writer->position();
-  for (auto const& element : elements_) {
-    if (element.number_of_bits) {
-      writer->WriteBits(element.bits >> (8 - element.number_of_bits),
-                        element.number_of_bits);
-    } else {
-      uint32_t current = old_position;
-      uint32_t target = element.position;
-      DCHECK(target < current) << "Reference is not backwards";
-      uint32_t delta = current - target;
-      uint8_t delta_number_of_bits = BitLength(delta);
-      DCHECK(delta_number_of_bits < 32) << "Delta to large";
-      writer->WriteBits(delta_number_of_bits, 5);
-      writer->WriteBits(delta, delta_number_of_bits);
-    }
-  }
-  return old_position;
-}
-
-void TrieBitBuffer::Flush() {
-  if (used_) {
-    AppendBitsElement(current_byte_, used_);
-
-    used_ = 0;
-    current_byte_ = 0;
-  }
-}
-
-}  // namespace transport_security_state
-
-}  // namespace net