Index: chrome/browser/predictors/resource_prefetch_predictor.h |
diff --git a/chrome/browser/predictors/resource_prefetch_predictor.h b/chrome/browser/predictors/resource_prefetch_predictor.h |
index fcc1e39a200d8a97d8a88955c4f241bb847c3009..ab2e70b3b1a833ff3fe4fbe4b9b29e94c95e112e 100644 |
--- a/chrome/browser/predictors/resource_prefetch_predictor.h |
+++ b/chrome/browser/predictors/resource_prefetch_predictor.h |
@@ -38,6 +38,13 @@ class URLRequest; |
namespace predictors { |
+namespace internal { |
+constexpr char kResourcePrefetchPredictorPrecisionHistogram[] = |
+ "ResourcePrefetchPredictor.LearningPrecision"; |
+constexpr char kResourcePrefetchPredictorRecallHistogram[] = |
+ "ResourcePrefetchPredictor.LearningRecall"; |
+} // namespace internal |
+ |
class TestObserver; |
class ResourcePrefetcherManager; |
@@ -198,6 +205,8 @@ class ResourcePrefetchPredictor |
PopulatePrefetcherRequest); |
FRIEND_TEST_ALL_PREFIXES(ResourcePrefetchPredictorTest, GetRedirectEndpoint); |
FRIEND_TEST_ALL_PREFIXES(ResourcePrefetchPredictorTest, GetPrefetchData); |
+ FRIEND_TEST_ALL_PREFIXES(ResourcePrefetchPredictorTest, |
+ TestPrecisionRecallHistograms); |
enum InitializationState { |
NOT_INITIALIZED = 0, |