Add integration of the new heuristics

components/dom_distiller/core/distillable_page_detector_unittest.cc

Index: components/dom_distiller/core/distillable_page_detector_unittest.cc
diff --git a/components/dom_distiller/core/distillable_page_detector_unittest.cc b/components/dom_distiller/core/distillable_page_detector_unittest.cc
index 6580fcd22092f6f2602509497d3e3654c703bc96..835f8ea6096be503d65b11e7f377587043f09692 100644
--- a/components/dom_distiller/core/distillable_page_detector_unittest.cc
+++ b/components/dom_distiller/core/distillable_page_detector_unittest.cc
@@ -91,6 +91,18 @@ TEST(DomDistillerDistillablePageDetectorTest, TestScoreAndClassify) {
   EXPECT_TRUE(detector->Classify(features));
 }
 
+TEST(DomDistillerDistillablePageDetectorTest, TestScoreWrongNumberFeatures) {
+  scoped_ptr<DistillablePageDetector> detector =
+      Builder().Stump(0, 1.0, 1.0).Stump(0, 1.4, 2.0).Build();
+  EXPECT_DOUBLE_EQ(1.5, detector->GetThreshold());
+
+  std::vector<double> features;
+  EXPECT_DOUBLE_EQ(0.0, detector->Score(features));
+  features.push_back(-3.0);
+  features.push_back(1.0);
+  EXPECT_DOUBLE_EQ(0.0, detector->Score(features));
+}
+
 
 }