Moving host status events monitoring to a separate interface (HostStatusMonitor).

remoting/host/resizing_host_observer_unittest.cc

Index: remoting/host/resizing_host_observer_unittest.cc
diff --git a/remoting/host/resizing_host_observer_unittest.cc b/remoting/host/resizing_host_observer_unittest.cc
index 3d5d1e052da105b75195e2894b238027ac6e2e34..cf91b21f671f04209950d5102c01bd767108aac6 100644
--- a/remoting/host/resizing_host_observer_unittest.cc
+++ b/remoting/host/resizing_host_observer_unittest.cc
@@ -67,8 +67,9 @@ class ResizingHostObserverTest : public testing::Test {
  public:
   void SetDesktopResizer(FakeDesktopResizer* desktop_resizer) {
     CHECK(!desktop_resizer_.get()) << "Call SetDeskopResizer once per test";
-    resizing_host_observer_.reset(new ResizingHostObserver(desktop_resizer,
-                                                           NULL));
+    resizing_host_observer_.reset(
+        new ResizingHostObserver(desktop_resizer,
+                                 base::WeakPtr<HostStatusMonitor>()));
     desktop_resizer_.reset(desktop_resizer);
     resizing_host_observer_->OnClientAuthenticated("");
   }