Pure pedantry: Replace all ".size() == 0" with ".empty()".

chrome/browser/history/text_database.cc

 // Copyright (c) 2009 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 <limits>
 #include <set>
 #include <string>
 
 #include "chrome/browser/history/text_database.h"
 
@@ skipping 349 matching lines @@
                                    &match_positions);
 
     // Compute the snippet based on those matches.
     std::string body = statement.ColumnString(4);
     match.snippet.ComputeSnippet(match_positions, body);
   }
 
   // When we have returned all the results possible (or determined that there
   // are none), then we have searched all the time requested, so we can
   // set the first_time_searched to that value.
-  if (results->size() == 0 ||
+  if (results->empty() ||
       options.max_count == 0 ||  // Special case for wanting all the results.
       static_cast<int>(results->size()) < options.max_count) {
     *first_time_searched = options.begin_time;
   } else {
     // Since we got the results in order, we know the last item is the last
     // time we considered.
     *first_time_searched = results->back().time;
   }
 
   statement.Reset();
 }
 
 }  // namespace history