predictors: Mark before_first_contentful_paint for resources fetched before fcp.

chrome/browser/page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer_unittest.cc

Index: chrome/browser/page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer_unittest.cc
diff --git a/chrome/browser/page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer_unittest.cc b/chrome/browser/page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer_unittest.cc
index c511043181032e8acbb8386015e9eaaa4f3a03c6..18c3fd9da4a7b75acf25a39f15c579dd9c990307 100644
--- a/chrome/browser/page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer_unittest.cc
+++ b/chrome/browser/page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer_unittest.cc
@@ -8,6 +8,7 @@
 #include "chrome/browser/page_load_metrics/observers/page_load_metrics_observer_test_harness.h"
 #include "chrome/browser/predictors/resource_prefetch_common.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor.h"
+#include "chrome/browser/sessions/session_tab_helper.h"

[alexilin, 2017/04/28 11:22:03]

nit:
Do we need this include?

[trevordixon, 2017/04/28 12:39:54]

Deleted.

 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -48,7 +49,7 @@ class ResourcePrefetchPredictorPageLoadMetricsObserverTest
   void RegisterObservers(page_load_metrics::PageLoadTracker* tracker) override {
     tracker->AddObserver(
         base::MakeUnique<ResourcePrefetchPredictorPageLoadMetricsObserver>(
-            predictor_.get()));
+            predictor_.get(), web_contents()));
   }
 
   std::unique_ptr<testing::StrictMock<MockResourcePrefetchPredictor>>