Reduce SpdyHeaderBlock copies with move semantics.

net/tools/flip_server/spdy_interface.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/tools/flip_server/spdy_interface.h"
 
 #include <algorithm>
 #include <string>
 
 #include "net/spdy/spdy_framer.h"
@@ skipping 454 matching lines @@
   } else {
     block[":path"] = headers.request_uri().as_string();
     if (block.find("host") != block.end()) {
       block[":host"] = headers.GetHeader("Host").as_string();
       block.erase("host");
     }
   }
 
   DCHECK(buffered_spdy_framer_);
   SpdySerializedFrame* fsrcf = buffered_spdy_framer_->CreateSynStream(
-      stream_id, 0, 0, CONTROL_FLAG_NONE, &block);
+      stream_id, 0, 0, CONTROL_FLAG_NONE, block);
   size_t df_size = fsrcf->size();
   EnqueueDataFrame(new SpdyFrameDataFrame(fsrcf));
 
   VLOG(2) << ACCEPTOR_CLIENT_IDENT << "SpdySM: Sending SynStreamheader "
           << stream_id;
   return df_size;
 }
 
 size_t SpdySM::SendSynReplyImpl(uint32_t stream_id,
                                 const BalsaHeaders& headers) {
   SpdyHeaderBlock block;
   CopyHeaders(block, headers);
   block[":status"] = headers.response_code().as_string() + " " +
                      headers.response_reason_phrase().as_string();
   block[":version"] = headers.response_version().as_string();
 
   DCHECK(buffered_spdy_framer_);
   SpdySerializedFrame* fsrcf = buffered_spdy_framer_->CreateSynReply(
-      stream_id, CONTROL_FLAG_NONE, &block);
+      stream_id, CONTROL_FLAG_NONE, block);
   size_t df_size = fsrcf->size();
   EnqueueDataFrame(new SpdyFrameDataFrame(fsrcf));
 
   VLOG(2) << ACCEPTOR_CLIENT_IDENT << "SpdySM: Sending SynReplyheader "
           << stream_id;
   return df_size;
 }
 
 void SpdySM::SendDataFrameImpl(uint32_t stream_id,
                                const char* data,
@@ skipping 101 matching lines @@
   }
 }
 
 void SpdySM::CreateFramer(SpdyMajorVersion spdy_version) {
   DCHECK(!buffered_spdy_framer_);
   buffered_spdy_framer_.reset(new BufferedSpdyFramer(spdy_version));
   buffered_spdy_framer_->set_visitor(this);
 }
 
 }  // namespace net