Fix uninitialized fields in hpack code.

net/spdy/hpack/hpack_huffman_table.cc

 // 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.
 
 #include "net/spdy/hpack/hpack_huffman_table.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 32 matching lines @@
 HpackHuffmanTable::DecodeEntry::DecodeEntry(uint8_t next_table_index,
                                             uint8_t length,
                                             uint16_t symbol_id)
     : next_table_index(next_table_index),
       length(length),
       symbol_id(symbol_id) {}
 size_t HpackHuffmanTable::DecodeTable::size() const {
   return size_t(1) << indexed_length;
 }
 
-HpackHuffmanTable::HpackHuffmanTable() {}
+HpackHuffmanTable::HpackHuffmanTable() : pad_bits_(0), failed_symbol_id_(0) {}
 
 HpackHuffmanTable::~HpackHuffmanTable() {}
 
 bool HpackHuffmanTable::Initialize(const HpackHuffmanSymbol* input_symbols,
                                    size_t symbol_count) {
   CHECK(!IsInitialized());
   DCHECK(base::IsValueInRangeForNumericType<uint16_t>(symbol_count));
 
   std::vector<Symbol> symbols(symbol_count);
   // Validate symbol id sequence, and copy into |symbols|.
@@ skipping 248 matching lines @@
       bits = bits << entry.length;
       bits_available -= entry.length;
     }
     peeked_success = in->PeekBits(&bits_available, &bits);
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace net