Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/core/contents/blimp_contents_observer_unittest.cc

Index: blimp/client/core/contents/blimp_contents_observer_unittest.cc
diff --git a/blimp/client/core/contents/blimp_contents_observer_unittest.cc b/blimp/client/core/contents/blimp_contents_observer_unittest.cc
index 1b688ea90930f5e61c882fe35a637e2741ad81f3..60bb654c53dcac433d74b96c146ee6493afece26 100644
--- a/blimp/client/core/contents/blimp_contents_observer_unittest.cc
+++ b/blimp/client/core/contents/blimp_contents_observer_unittest.cc
@@ -30,7 +30,7 @@ class BlimpContentsObserverTest : public BlimpContentsObserver {
 };
 
 TEST(BlimpContentsObserverUnittests, ObserverDies) {
-  BlimpContentsImpl contents(kDummyTabId, nullptr, nullptr, nullptr);
+  BlimpContentsImpl contents(kDummyTabId, nullptr, nullptr, nullptr, nullptr);
 
   std::unique_ptr<BlimpContentsObserver> observer =
       base::MakeUnique<BlimpContentsObserverTest>(&contents);
@@ -46,7 +46,7 @@ TEST(BlimpContentsObserverUnittests, ContentsDies) {
 
   std::unique_ptr<BlimpContentsImpl> contents =
       base::MakeUnique<BlimpContentsImpl>(kDummyTabId, nullptr, nullptr,
-                                          nullptr);
+                                          nullptr, nullptr);
   observer.reset(new BlimpContentsObserverTest(contents.get()));
   EXPECT_CALL(*observer, OnContentsDestroyed()).Times(1);
   EXPECT_EQ(observer->blimp_contents(), contents.get());