Land Recent QUIC changes.

net/tools/quic/test_tools/quic_test_utils.h

Index: net/tools/quic/test_tools/quic_test_utils.h
diff --git a/net/tools/quic/test_tools/quic_test_utils.h b/net/tools/quic/test_tools/quic_test_utils.h
index d18556b1290ce344116a39034263d80b0a5528a9..ba33c8bbfe943fb202d0f7778433a160525661fc 100644
--- a/net/tools/quic/test_tools/quic_test_utils.h
+++ b/net/tools/quic/test_tools/quic_test_utils.h
@@ -103,6 +103,14 @@ class TestSession : public QuicSession {
   DISALLOW_COPY_AND_ASSIGN(TestSession);
 };
 
+class MockAckNotifierDelegate : public QuicAckNotifier::DelegateInterface {
+ public:
+  MockAckNotifierDelegate();
+  virtual ~MockAckNotifierDelegate();
+
+  MOCK_METHOD0(OnAckNotification, void());
+};
+
 }  // namespace test
 }  // namespace tools
 }  // namespace net