Access ChromotingHost::clients_ only on network thread.

remoting/host/client_session_unittest.cc

Index: remoting/host/client_session_unittest.cc
diff --git a/remoting/host/client_session_unittest.cc b/remoting/host/client_session_unittest.cc
index 548b49f67225cfca50e4e5ec1710c9208dc06a97..c7dfa8987d4f74e7b37c4a6c277150823b7b6dee 100644
--- a/remoting/host/client_session_unittest.cc
+++ b/remoting/host/client_session_unittest.cc
@@ -25,7 +25,7 @@ class ClientSessionTest : public testing::Test {
  public:
   ClientSessionTest() {}
 
-  virtual void SetUp() {
+  virtual void SetUp() OVERRIDE {
     client_jid_ = "user@domain/rest-of-jid";
 
     // Set up a large default screen size that won't affect most tests.
@@ -44,6 +44,13 @@ class ClientSessionTest : public testing::Test {
         &input_stub_, &capturer_);
   }
 
+  virtual void TearDown() OVERRIDE {
+    client_session_ = NULL;
+    // Run message loop before destroying because protocol::Session is
+    // destroyed asynchronously.
+    message_loop_.RunAllPending();
+  }
+
  protected:
   SkISize default_screen_size_;
   MessageLoop message_loop_;