Fix SPDY error-handling if the connection gets closed just after use.

net/spdy/spdy_test_util_common.h

Index: net/spdy/spdy_test_util_common.h
diff --git a/net/spdy/spdy_test_util_common.h b/net/spdy/spdy_test_util_common.h
index 42b595b68956ed00f68288c9ed13d2c81cc42da4..668a7e84dc81804eb7cd4bd47da908b8ea538f7f 100644
--- a/net/spdy/spdy_test_util_common.h
+++ b/net/spdy/spdy_test_util_common.h
@@ -247,8 +247,9 @@ base::WeakPtr<SpdySession> CreateInsecureSpdySession(
 
 // Tries to create a SPDY session for the given key but expects the
 // attempt to fail with the given error. A SPDY session for |key| must
-// not already exist.
-void TryCreateInsecureSpdySessionExpectingFailure(
+// not already exist. The session will be created but close in the
+// next event loop iteration.
+base::WeakPtr<SpdySession> TryCreateInsecureSpdySessionExpectingFailure(
     const scoped_refptr<HttpNetworkSession>& http_session,
     const SpdySessionKey& key,
     Error expected_error,
@@ -269,10 +270,12 @@ base::WeakPtr<SpdySession> CreateFakeSpdySession(SpdySessionPool* pool,
 // Tries to create an insecure SPDY session for the given key but
 // expects the attempt to fail with the given error. The session will
 // neither receive nor send any data. A SPDY session for |key| must
-// not already exist.
-void TryCreateFakeSpdySessionExpectingFailure(SpdySessionPool* pool,
-                                              const SpdySessionKey& key,
-                                              Error expected_error);
+// not already exist. The session will be created but close in the
+// next event loop iteration.
+base::WeakPtr<SpdySession> TryCreateFakeSpdySessionExpectingFailure(
+    SpdySessionPool* pool,
+    const SpdySessionKey& key,
+    Error expected_error);
 
 class SpdySessionPoolPeer {
  public: