Add new, unused methods to SpdyFramerVisitorInterface.

net/spdy/buffered_spdy_framer_unittest.cc

Index: net/spdy/buffered_spdy_framer_unittest.cc
diff --git a/net/spdy/buffered_spdy_framer_unittest.cc b/net/spdy/buffered_spdy_framer_unittest.cc
index 852247eb01ba1cc8aeb7fc2ef7f351a03daccc63..8510db7c58e2da32d9712599d60a9c5a7db5156a 100644
--- a/net/spdy/buffered_spdy_framer_unittest.cc
+++ b/net/spdy/buffered_spdy_framer_unittest.cc
@@ -88,6 +88,16 @@ class TestBufferedSpdyVisitor : public BufferedSpdyFramerVisitorInterface {
     LOG(FATAL) << "Unexpected OnStreamPadding call.";
   }
 
+  SpdyHeadersHandlerInterface* OnHeaderFrameStart(
+      SpdyStreamId stream_id) override {
+    LOG(FATAL) << "Unexpected OnHeaderFrameStart call.";
+    return nullptr;
+  }
+
+  void OnHeaderFrameEnd(SpdyStreamId stream_id, bool end_headers) override {
+    LOG(FATAL) << "Unexpected OnHeaderFrameEnd call.";
+  }
+
   void OnSettings(bool clear_persisted) override {}
 
   void OnSetting(SpdySettingsIds id, uint8 flags, uint32 value) override {