predictors: Make speculative_prefetch_predictor work with PlzNavigate

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..aea365309ba918250fdacad3b5aa654f4f7562f7 100644
--- a/chrome/browser/predictors/resource_prefetcher_unittest.cc
+++ b/chrome/browser/predictors/resource_prefetcher_unittest.cc
@@ -166,7 +166,7 @@ TEST_F(ResourcePrefetcherTest, TestPrefetcherFinishes) {
                             GURL("http://yahoo.com/resource4.png"),
                             GURL("http://yahoo.com/resource5.png")};
 
-  NavigationID navigation_id = CreateNavigationID(1, 2, main_frame_url.spec());
+  NavigationID navigation_id = CreateNavigationID(1, main_frame_url.spec());
 
   prefetcher_.reset(new TestResourcePrefetcher(&prefetcher_delegate_, config_,
                                                main_frame_url, urls));
@@ -238,7 +238,7 @@ TEST_F(ResourcePrefetcherTest, TestPrefetcherStopped) {
                             GURL("http://yahoo.com/resource3.png"),
                             GURL("http://m.google.com/resource1.jpg")};
 
-  NavigationID navigation_id = CreateNavigationID(1, 2, main_frame_url.spec());
+  NavigationID navigation_id = CreateNavigationID(1, main_frame_url.spec());
 
   prefetcher_.reset(new TestResourcePrefetcher(&prefetcher_delegate_, config_,
                                                main_frame_url, urls));