Avoid heap allocations in IPAddress

chrome/browser/media/webrtc/webrtc_text_log_handler.cc

 // Copyright 2016 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 "chrome/browser/media/webrtc/webrtc_text_log_handler.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 59 matching lines @@
       size_t find_pos = sensitive_address.rfind('.');
       if (find_pos == std::string::npos)
         return std::string();
       sensitive_address.resize(find_pos);
       sensitive_address += ".x";
       break;
     }
     case net::IPAddress::kIPv6AddressSize: {
       // TODO(grunell): Create a string of format "1:2:3:x:x:x:x:x" to clarify
       // that the end has been stripped out.
-      std::vector<uint8_t> bytes = address.bytes();
+      std::vector<uint8_t> bytes = address.BytesAsVector();
       std::fill(bytes.begin() + 6, bytes.end(), 0);
       net::IPAddress stripped_address(bytes);
       sensitive_address = stripped_address.ToString();
       break;
     }
     default: { break; }
   }
   return sensitive_address;
 #else
   return address.ToString();
@@ skipping 414 matching lines @@
   }
 }
 
 void WebRtcTextLogHandler::DisableBrowserProcessLoggingOnUIThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   content::RenderProcessHost* host =
       content::RenderProcessHost::FromID(render_process_id_);
   if (host)
     host->ClearWebRtcLogMessageCallback();
 }