Add the plumbing that will carry a clipboard item from a chromoting client to a host.

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 f04be7c2a6d5038a29bc64b36bc843ce42a8bf88..9d4662744c9919801b57537113731fe897f81e7a 100644
--- a/remoting/host/chromoting_host_unittest.cc
+++ b/remoting/host/chromoting_host_unittest.cc
@@ -93,7 +93,7 @@ class ChromotingHostTest : public testing::Test {
     desktop_environment_ = DesktopEnvironment::CreateFake(
         &context_,
         capturer.Pass(),
-        scoped_ptr<protocol::InputStub>(event_executor_));
+        scoped_ptr<protocol::HostEventStub>(event_executor_));
 
     host_ = new ChromotingHost(
         &context_, &signal_strategy_, desktop_environment_.get(),
@@ -181,7 +181,7 @@ class ChromotingHostTest : public testing::Test {
     protocol::ConnectionToClient* connection = (connection_index == 0) ?
         owned_connection_.release() : owned_connection2_.release();
     ClientSession* client = new ClientSession(
-        host_.get(), connection, event_executor_,
+        host_.get(), connection, event_executor_, event_executor_,
         desktop_environment_->capturer());
     connection->set_host_stub(client);