Coverity: Initialize statement_cache_ in the constructor....

chrome/browser/history/archived_database.cc

 // Copyright (c) 2006-2008 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 <string>
+
 #include "base/string_util.h"
 #include "chrome/browser/history/archived_database.h"
 #include "chrome/common/sqlite_utils.h"
 
 namespace history {
 
 namespace {
 
 static const int kCurrentVersionNumber = 2;
 static const int kCompatibleVersionNumber = 2;
 
 }  // namespace
 
 ArchivedDatabase::ArchivedDatabase()
     : db_(NULL),
+      statement_cache_(NULL),
       transaction_nesting_(0) {
 }
 
 ArchivedDatabase::~ArchivedDatabase() {
 }
 
 bool ArchivedDatabase::Init(const FilePath& file_name) {
   // OpenSqliteDb uses the narrow version of open, indicating to sqlite that we
   // want the database to be in UTF-8 if it doesn't already exist.
   DCHECK(!db_) << "Already initialized!";
@@ skipping 43 matching lines @@
   DCHECK(db_);
   if (transaction_nesting_ == 0) {
     int rv = sqlite3_exec(db_, "BEGIN TRANSACTION", NULL, NULL, NULL);
     DCHECK(rv == SQLITE_OK) << "Failed to begin transaction";
   }
   transaction_nesting_++;
 }
 
 void ArchivedDatabase::CommitTransaction() {
   DCHECK(db_);
-  DCHECK(transaction_nesting_ > 0) << "Committing too many transactions";
+  DCHECK_GT(transaction_nesting_, 0) << "Committing too many transactions";
   transaction_nesting_--;
   if (transaction_nesting_ == 0) {
     int rv = sqlite3_exec(db_, "COMMIT", NULL, NULL, NULL);
     DCHECK(rv == SQLITE_OK) << "Failed to commit transaction";
   }
 }
 
 sqlite3* ArchivedDatabase::GetDB() {
   return db_;
 }
@@ skipping 32 matching lines @@
   // Put future migration cases here.
 
   // When the version is too old, we just try to continue anyway, there should
   // not be a released product that makes a database too old for us to handle.
   LOG_IF(WARNING, cur_version < kCurrentVersionNumber) <<
       "Archived database version " << cur_version << " is too old to handle.";
 
   return INIT_OK;
 }
 }  // namespace history