Make SpdySessionKey a const member of HttpStreamFactoryImpl::Job

net/http/http_stream_factory_impl_job_controller_unittest.cc

Index: net/http/http_stream_factory_impl_job_controller_unittest.cc
diff --git a/net/http/http_stream_factory_impl_job_controller_unittest.cc b/net/http/http_stream_factory_impl_job_controller_unittest.cc
index ffc80c42a8986104b720227fd5e3ca52c0059214..1f7f730eac075cc75d92af20b25c2f86fd2bdad5 100644
--- a/net/http/http_stream_factory_impl_job_controller_unittest.cc
+++ b/net/http/http_stream_factory_impl_job_controller_unittest.cc
@@ -148,7 +148,7 @@ class HttpStreamFactoryImplJobPeer {
   // Return SpdySessionKey of |job|.
   static const SpdySessionKey GetSpdySessionKey(
       const HttpStreamFactoryImpl::Job* job) {
-    return job->GetSpdySessionKey();
+    return job->spdy_session_key_;
   }
 };