Initialize local arrays.

services/prediction/dictionary_service.cc

 // Copyright 2015 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 <algorithm>
 #include <deque>
 #include <fstream>
 #include <string>
 
 #include "base/base_paths.h"
@@ skipping 154 matching lines @@
        it != suggestion_words_reverse.end(); ++it) {
     suggestion_words.push_back(mojo::String(*it));
   }
 
   return suggestion_words.Clone().Pass();
 }
 
 // modified from Android JniDataUtils::constructPrevWordsInfo
 latinime::PrevWordsInfo DictionaryService::ProcessPrevWord(
     mojo::Array<PrevWordInfoPtr>& prev_words) {
-  int prev_word_codepoints[MAX_PREV_WORD_COUNT_FOR_N_GRAM][MAX_WORD_LENGTH];
-  int prev_word_codepoint_count[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
-  bool are_beginning_of_sentence[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
+  int prev_word_codepoints[MAX_PREV_WORD_COUNT_FOR_N_GRAM][MAX_WORD_LENGTH] = {
+      {0}};
+  int prev_word_codepoint_count[MAX_PREV_WORD_COUNT_FOR_N_GRAM] = {0};
+  bool are_beginning_of_sentence[MAX_PREV_WORD_COUNT_FOR_N_GRAM] = {false};
   int prevwords_count = std::min(
       prev_words.size(), static_cast<size_t>(MAX_PREV_WORD_COUNT_FOR_N_GRAM));
   for (int i = 0; i < prevwords_count; ++i) {
     prev_word_codepoint_count[i] = 0;
     are_beginning_of_sentence[i] = false;
     int prev_word_size = prev_words[i]->word.size();
     if (prev_word_size > MAX_WORD_LENGTH) {
       continue;
     }
     for (int j = 0; j < prev_word_size; j++) {
       prev_word_codepoints[i][j] = (int)((prev_words[i])->word)[j];
     }
     prev_word_codepoint_count[i] = prev_word_size;
     are_beginning_of_sentence[i] = prev_words[i]->is_beginning_of_sentence;
   }
   latinime::PrevWordsInfo prev_words_info =
       latinime::PrevWordsInfo(prev_word_codepoints, prev_word_codepoint_count,
                               are_beginning_of_sentence, prevwords_count);
   return prev_words_info;
 }
 
 }  // namespace prediction