Change WeakPtr<SpdyStream> to raw pointer in SpdyHttpStream.

net/spdy/spdy_session_unittest.cc

Index: net/spdy/spdy_session_unittest.cc
diff --git a/net/spdy/spdy_session_unittest.cc b/net/spdy/spdy_session_unittest.cc
index 2f23164c5f976857e2c2d70e15f44e30fa04bccf..da5e6389278416e58ec69c0460aac70a89cf13c2 100644
--- a/net/spdy/spdy_session_unittest.cc
+++ b/net/spdy/spdy_session_unittest.cc
@@ -5374,12 +5374,12 @@ TEST_F(SpdySessionTest, CancelReservedStreamOnHeadersReceived) {
   EXPECT_EQ(1u, session_->num_pushed_streams());
   EXPECT_EQ(0u, session_->num_active_pushed_streams());
 
-  base::WeakPtr<SpdyStream> pushed_stream;
+  SpdyStream* pushed_stream;
   int rv = session_->GetPushStream(GURL(kPushedUrl), IDLE, &pushed_stream,
                                    NetLogWithSource());
   ASSERT_THAT(rv, IsOk());
   ASSERT_TRUE(pushed_stream);
-  test::StreamDelegateCloseOnHeaders delegate2(pushed_stream);
+  test::StreamDelegateCloseOnHeaders delegate2(pushed_stream->GetWeakPtr());
   pushed_stream->SetDelegate(&delegate2);
 
   // Receive headers for pushed stream. Delegate will cancel the stream, ensure