Add a missing include and match a constant type better. From phajdan.jr.

chrome/common/net/cookie_monster_sqlite.cc

Index: chrome/common/net/cookie_monster_sqlite.cc
===================================================================
--- chrome/common/net/cookie_monster_sqlite.cc	(revision 2299)
+++ chrome/common/net/cookie_monster_sqlite.cc	(working copy)
@@ -4,6 +4,8 @@
 
 #include "chrome/common/net/cookie_monster_sqlite.h"
 
+#include <list>
+
 #include "base/logging.h"
 #include "base/ref_counted.h"
 #include "base/string_util.h"
@@ -104,7 +106,7 @@
   // Commit every 30 seconds.
   static const int kCommitIntervalMs = 30 * 1000;
   // Commit right away if we have more than 512 outstanding operations.
-  static const int kCommitAfterBatchSize = 512;
+  static const size_t kCommitAfterBatchSize = 512;
   DCHECK(MessageLoop::current() != background_loop_);
 
   // We do a full copy of the cookie here, and hopefully just here.