[remoting_unittests] Moving the variable used to mock VideoFrameCapturer::size_most_recent() to the…

remoting/host/chromoting_host_unittest.cc

Index: remoting/host/chromoting_host_unittest.cc
diff --git a/remoting/host/chromoting_host_unittest.cc b/remoting/host/chromoting_host_unittest.cc
index e75a1cbb32f4b84e241eff2dbeb005c8bacde310..ec3cd52345b83ca63657e9f529b94853d61df52c 100644
--- a/remoting/host/chromoting_host_unittest.cc
+++ b/remoting/host/chromoting_host_unittest.cc
@@ -260,6 +260,11 @@ class ChromotingHostTest : public testing::Test {
     get_client(connection_index) = client;
   }
 
+  virtual void TearDown() OVERRIDE {
+    // Make sure that the host has been properly deleted.
+    DCHECK(host_.get() == NULL);
+  }
+
   // Change the session route for |client1_|.
   void ChangeSessionRoute(const std::string& channel_name,
                           const protocol::TransportRoute& route) {