predictors: Reduce the maximum concurrent prefetches.

chrome/browser/predictors/resource_prefetcher_unittest.cc

Index: chrome/browser/predictors/resource_prefetcher_unittest.cc
diff --git a/chrome/browser/predictors/resource_prefetcher_unittest.cc b/chrome/browser/predictors/resource_prefetcher_unittest.cc
index 7a46a8c5b8851f8778ca16d99efa91d0125490a3..2cc5711cc3bab58fc58fe54c7a2f6d04f2480f3c 100644
--- a/chrome/browser/predictors/resource_prefetcher_unittest.cc
+++ b/chrome/browser/predictors/resource_prefetcher_unittest.cc
@@ -144,7 +144,6 @@ ResourcePrefetcherTest::ResourcePrefetcherTest()
     : loop_(base::MessageLoop::TYPE_IO),
       io_thread_(content::BrowserThread::IO, &loop_),
       prefetcher_delegate_(&loop_) {
-  config_.max_prefetches_inflight_per_navigation = 5;
   config_.max_prefetches_inflight_per_host_per_navigation = 2;
 }