Remove an unnecessary CachedMetadata copy in URLLoaderClientImpl

content/child/resource_dispatcher.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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/child/resource_dispatcher.h"
 
 #include <utility>
 
@@ skipping 171 matching lines @@
   ToResourceResponseInfo(*request_info, response_head, &renderer_response_info);
   request_info->site_isolation_metadata =
       SiteIsolationStatsGatherer::OnReceivedResponse(
           request_info->frame_origin, request_info->response_url,
           request_info->resource_type, request_info->origin_pid,
           renderer_response_info);
   request_info->peer->OnReceivedResponse(renderer_response_info);
 }
 
 void ResourceDispatcher::OnReceivedCachedMetadata(
-      int request_id, const std::vector<char>& data) {
+    int request_id,
+    const std::vector<uint8_t>& data) {
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
 
-  if (data.size())
-    request_info->peer->OnReceivedCachedMetadata(&data.front(), data.size());
+  if (data.size()) {
+    request_info->peer->OnReceivedCachedMetadata(
+        reinterpret_cast<const char*>(&data.front()), data.size());
+  }
 }
 
 void ResourceDispatcher::OnSetDataBuffer(int request_id,
                                          base::SharedMemoryHandle shm_handle,
                                          int shm_size,
                                          base::ProcessId renderer_pid) {
   TRACE_EVENT0("loader", "ResourceDispatcher::OnSetDataBuffer");
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
@@ skipping 625 matching lines @@
     delete message;
   }
 }
 
 void ResourceDispatcher::SetResourceSchedulingFilter(
     scoped_refptr<ResourceSchedulingFilter> resource_scheduling_filter) {
   resource_scheduling_filter_ = resource_scheduling_filter;
 }
 
 }  // namespace content