Fix auto raw pointer deduction on linux

net/spdy/spdy_framer_test.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_framer.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include <algorithm>
@@ skipping 230 matching lines @@
     }
     newHeaders->set_end_headers(headers.end_headers());
     return newHeaders;
   }
 
   static SpdySerializedFrame SerializeHeaders(SpdyFramer* framer,
                                               const SpdyHeadersIR& headers) {
     SpdySerializedFrame serialized_headers_old_version =
         framer->SerializeHeaders(headers);
     framer->hpack_encoder_.reset(nullptr);
-    auto saved_debug_visitor = framer->debug_visitor_;
+    auto* saved_debug_visitor = framer->debug_visitor_;
     framer->debug_visitor_ = nullptr;
 
     std::vector<SpdySerializedFrame> frame_list;
     SpdyFramer::SpdyHeaderFrameIterator it(framer, CloneSpdyHeadersIR(headers));
     while (it.HasNextFrame()) {
       frame_list.push_back(it.NextFrame());
     }
     framer->debug_visitor_ = saved_debug_visitor;
 
     EXPECT_THAT(serialized_headers_old_version, IsFrameUnionOf(&frame_list));
@@ skipping 4159 matching lines @@
 
     EXPECT_EQ(1, visitor->data_frame_count_);
     EXPECT_EQ(strlen(four_score), static_cast<unsigned>(visitor->data_bytes_));
     EXPECT_EQ(0, visitor->headers_frame_count_);
   }
 }
 
 }  // namespace test
 
 }  // namespace net