Use string(StringPiece) instead of StringPiece::as_string().

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 454 matching lines @@
   }
 
   void OnAltSvc(SpdyStreamId stream_id,
                 StringPiece origin,
                 const SpdyAltSvcWireFormat::AlternativeServiceVector&
                     altsvc_vector) override {
     VLOG(1) << "OnAltSvc(" << stream_id << ", \"" << origin
             << "\", altsvc_vector)";
     test_altsvc_ir_.set_stream_id(stream_id);
     if (origin.length() > 0) {
-      test_altsvc_ir_.set_origin(origin.as_string());
+      test_altsvc_ir_.set_origin(std::string(origin));
     }
     for (const SpdyAltSvcWireFormat::AlternativeService& altsvc :
          altsvc_vector) {
       test_altsvc_ir_.add_altsvc(altsvc);
     }
     ++altsvc_count_;
   }
 
   void OnPriority(SpdyStreamId stream_id,
                   SpdyStreamId parent_stream_id,
@@ skipping 4248 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