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

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 0f8b61edc629fabe0de91c566a121ef6b3b66183..d10d87445c41d01ccd0eeb05f81d22a6317648ea 100644
--- a/remoting/host/client_session_unittest.cc
+++ b/remoting/host/client_session_unittest.cc
@@ -9,6 +9,7 @@
 
 namespace remoting {
 
+using protocol::MockClipboardStub;
 using protocol::MockConnectionToClient;
 using protocol::MockConnectionToClientEventHandler;
 using protocol::MockHostStub;
@@ -40,7 +41,7 @@ class ClientSessionTest : public testing::Test {
     client_session_.reset(new ClientSession(
         &session_event_handler_,
         new protocol::ConnectionToClient(session),
-        &input_stub_, &capturer_));
+        &clipboard_stub_, &input_stub_, &capturer_));
   }
 
   virtual void TearDown() OVERRIDE {
@@ -54,6 +55,7 @@ class ClientSessionTest : public testing::Test {
   SkISize default_screen_size_;
   MessageLoop message_loop_;
   std::string client_jid_;
+  MockClipboardStub clipboard_stub_;
   MockHostStub host_stub_;
   MockInputStub input_stub_;
   MockCapturer capturer_;
@@ -61,6 +63,40 @@ class ClientSessionTest : public testing::Test {
   scoped_ptr<ClientSession> client_session_;
 };
 
+MATCHER_P2(EqualsClipboardEvent, t, d, "") {
+  return (arg.datatype() == t && memcmp(arg.data().data(), d, strlen(d)) == 0);
+}
+
+TEST_F(ClientSessionTest, ClipboardStubFilter) {
+  protocol::ClipboardEvent clipboard_event1;
+  clipboard_event1.set_datatype(protocol::ClipboardEvent::DATA_TYPE_TEXT_UTF8);
+  clipboard_event1.set_data("a");
+
+  protocol::ClipboardEvent clipboard_event2;
+  clipboard_event2.set_datatype(protocol::ClipboardEvent::DATA_TYPE_TEXT_UTF8);
+  clipboard_event2.set_data("b");
+
+  protocol::ClipboardEvent clipboard_event3;
+  clipboard_event3.set_datatype(protocol::ClipboardEvent::DATA_TYPE_TEXT_UTF8);
+  clipboard_event3.set_data("c");
+
+  InSequence s;
+  EXPECT_CALL(session_event_handler_, OnSessionAuthenticated(_));
+  EXPECT_CALL(clipboard_stub_, InjectClipboardEvent(EqualsClipboardEvent(
+      protocol::ClipboardEvent::DATA_TYPE_TEXT_UTF8, "b")));
+
+  // This event should not get through to the clipboard stub,
+  // because the client isn't authenticated yet.
+  client_session_->InjectClipboardEvent(clipboard_event1);
+  client_session_->OnConnectionOpened(client_session_->connection());
+  // This event should get through to the clipboard stub.
+  client_session_->InjectClipboardEvent(clipboard_event2);
+  client_session_->Disconnect();
+  // This event should not get through to the clipboard stub,
+  // because the client has disconnected.
+  client_session_->InjectClipboardEvent(clipboard_event3);
+}
+
 MATCHER_P2(EqualsKeyEvent, keycode, pressed, "") {
   return arg.keycode() == keycode && arg.pressed() == pressed;
 }