Convert Pass()→std::move() in //net

net/spdy/spdy_header_block.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_header_block.h"
 
 #include <algorithm>
 #include <ios>
 #include <utility>
 #include <vector>
@@ skipping 220 matching lines @@
   scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   base::DictionaryValue* headers_dict = new base::DictionaryValue();
   for (SpdyHeaderBlock::const_iterator it = headers->begin();
        it != headers->end(); ++it) {
     headers_dict->SetWithoutPathExpansion(
         it->first.as_string(),
         new base::StringValue(ElideHeaderValueForNetLog(
             capture_mode, it->first.as_string(), it->second.as_string())));
   }
   dict->Set("headers", headers_dict);
-  return dict.Pass();
+  return std::move(dict);
 }
 
 bool SpdyHeaderBlockFromNetLogParam(
     const base::Value* event_param,
     SpdyHeaderBlock* headers) {
   headers->clear();
 
   const base::DictionaryValue* dict = NULL;
   const base::DictionaryValue* header_dict = NULL;
 
   if (!event_param ||
       !event_param->GetAsDictionary(&dict) ||
       !dict->GetDictionary("headers", &header_dict)) {
     return false;
   }
 
   for (base::DictionaryValue::Iterator it(*header_dict); !it.IsAtEnd();
        it.Advance()) {
     string value;
     if (!it.value().GetAsString(&value)) {
       headers->clear();
       return false;
     }
     (*headers)[it.key()] = value;
   }
   return true;
 }
 
 }  // namespace net