Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/core/contents/blimp_contents_impl_unittest.cc

Index: blimp/client/core/contents/blimp_contents_impl_unittest.cc
diff --git a/blimp/client/core/contents/blimp_contents_impl_unittest.cc b/blimp/client/core/contents/blimp_contents_impl_unittest.cc
index 72b48aa45d5592463e33d89ac69f81f72b733dfe..d4bb6746e0aecebf91485044e70b212ff5b2e562 100644
--- a/blimp/client/core/contents/blimp_contents_impl_unittest.cc
+++ b/blimp/client/core/contents/blimp_contents_impl_unittest.cc
@@ -45,7 +45,8 @@ class MockTabControlFeature : public TabControlFeature {
 TEST(BlimpContentsImplTest, LoadURLAndNotifyObservers) {
   base::MessageLoop loop;
   FakeNavigationFeature feature;
-  BlimpContentsImpl blimp_contents(kDummyTabId, nullptr, &feature, nullptr);
+  BlimpContentsImpl blimp_contents(kDummyTabId, nullptr, nullptr, &feature,
+                                   nullptr);
 
   BlimpNavigationControllerImpl& navigation_controller =
       blimp_contents.GetNavigationController();
@@ -77,7 +78,7 @@ TEST(BlimpContentsImplTest, SetSizeAndScaleThroughTabControlFeature) {
 
   MockTabControlFeature tab_control_feature;
   base::MessageLoop loop;
-  BlimpContentsImpl blimp_contents(kDummyTabId, nullptr, nullptr,
+  BlimpContentsImpl blimp_contents(kDummyTabId, nullptr, nullptr, nullptr,
                                    &tab_control_feature);
 
   EXPECT_CALL(tab_control_feature,