Reduce the copying of string data between C++ and javascript in proxy_resolver_v8.cc.

net/proxy/init_proxy_resolver.cc

 // Copyright (c) 2009 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/proxy/init_proxy_resolver.h"
 
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/string_util.h"
@@ skipping 116 matching lines @@
 
   net_log_.BeginEvent(
       NetLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT,
       new NetLogStringParameter("url", pac_url.spec()));
 
   if (!proxy_script_fetcher_) {
     net_log_.AddEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_HAS_NO_FETCHER, NULL);
     return ERR_UNEXPECTED;
   }
 
-  return proxy_script_fetcher_->Fetch(pac_url, &pac_bytes_, &io_callback_);
+  return proxy_script_fetcher_->Fetch(pac_url, &pac_script_, &io_callback_);
 }
 
 int InitProxyResolver::DoFetchPacScriptComplete(int result) {
   DCHECK(resolver_->expects_pac_bytes());
 
   if (result == OK) {
     net_log_.EndEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT, NULL);
   } else {
     net_log_.EndEvent(
         NetLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT,
         new NetLogIntegerParameter("net_error", result));
     return TryToFallbackPacUrl(result);
   }
 
   next_state_ = STATE_SET_PAC_SCRIPT;
   return result;
 }
 
 int InitProxyResolver::DoSetPacScript() {
   net_log_.BeginEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT, NULL);
 
   const GURL& pac_url = current_pac_url();
 
   next_state_ = STATE_SET_PAC_SCRIPT_COMPLETE;
 
   return resolver_->expects_pac_bytes() ?
-      resolver_->SetPacScriptByData(pac_bytes_, &io_callback_) :
+      resolver_->SetPacScriptByData(pac_script_, &io_callback_) :
       resolver_->SetPacScriptByUrl(pac_url, &io_callback_);
 }
 
 int InitProxyResolver::DoSetPacScriptComplete(int result) {
   if (result != OK) {
     net_log_.EndEvent(
         NetLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT,
         new NetLogIntegerParameter("net_error", result));
     return TryToFallbackPacUrl(result);
   }
@@ skipping 49 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
 
   DidCompleteInit();
 }
 
 }  // namespace net