[net] Set default HostCache size to 1000 entries.

BUG=114277


Review URL: https://chromiumcodereview.appspot.com/11775008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176410 0039d316-1c4b-4281-b951-d872f2087c98

net/base/host_cache.cc

@@ -84,12 +84,17 @@ const HostCache::EntryMap& HostCache::entries() const {
 // static
 scoped_ptr<HostCache> HostCache::CreateDefaultCache() {
   // Cache capacity is determined by the field trial.
+#if defined(ENABLE_BUILT_IN_DNS)
+  const size_t kDefaultMaxEntries = 1000;
+#else
+  const size_t kDefaultMaxEntries = 100;
+#endif
   const size_t kSaneMaxEntries = 1 << 20;
   size_t max_entries = 0;
   base::StringToSizeT(base::FieldTrialList::FindFullName("HostCacheSize"),
                       &max_entries);
   if ((max_entries == 0) || (max_entries > kSaneMaxEntries))
-    max_entries = 100;
+    max_entries = kDefaultMaxEntries;
   return make_scoped_ptr(new HostCache(max_entries));
 }