Port some things in browser/{download,history}, minor things in common....

chrome/browser/history/visitsegment_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 "chrome/browser/history/visitsegment_database.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "chrome/browser/history/page_usage_data.h"
 #include "chrome/common/sqlite_compiled_statement.h"
@@ skipping 222 matching lines @@
     std::vector<PageUsageData*>* results) {
   // This function gathers the highest-ranked segments in two queries.
   // The first gathers scores for all segments.
   // The second gathers segment data (url, title, etc.) for the highest-ranked
   // segments.
   // TODO(evanm): this disregards the "presentation index", which was what was
   // used to lock results into position.  But the rest of our code currently
   // does as well.
 
   // How many results we return, as promised in the header file.
-  const int kResultCount = 9;
+  const size_t kResultCount = 9;
 
   // Gather all the segment scores:
   SQLITE_UNIQUE_STATEMENT(statement, GetStatementCache(),
       "SELECT segment_id, time_slot, visit_count "
       "FROM segment_usage WHERE time_slot >= ? "
       "ORDER BY segment_id");
   if (!statement.is_valid()) {
     NOTREACHED();
     return;
   }
@@ skipping 126 matching lines @@
       r = false;
     }
     delete_usage->reset();
     delete_seg->reset();
   }
   return r;
 }
 
 }  // namespace history