Move DevToolsNetLogObserver to c/b/loader and create stub of network service interface

content/browser/loader/async_resource_handler.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 "content/browser/loader/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/debug/alias.h"
 #include "base/feature_list.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/shared_memory.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/time/time.h"
-#include "content/browser/devtools/devtools_netlog_observer.h"
 #include "content/browser/host_zoom_map_impl.h"
+#include "content/browser/loader/netlog_observer.h"
 #include "content/browser/loader/resource_buffer.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/loader/resource_message_filter.h"
 #include "content/browser/loader/resource_request_info_impl.h"
 #include "content/browser/resource_context_impl.h"
 #include "content/common/resource_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/resource_dispatcher_host_delegate.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/resource_response.h"
@@ skipping 262 matching lines @@
     return false;
 
   *defer = did_defer_ = true;
   OnDefer();
 
   if (rdh_->delegate()) {
     rdh_->delegate()->OnRequestRedirected(
         redirect_info.new_url, request(), info->GetContext(), response);
   }
 
-  DevToolsNetLogObserver::PopulateResponseInfo(request(), response);
+  NetLogObserver::PopulateResponseInfo(request(), response);
   response->head.encoded_data_length = request()->GetTotalReceivedBytes();
   reported_transfer_size_ = 0;
   response->head.request_start = request()->creation_time();
   response->head.response_start = TimeTicks::Now();
   // TODO(davidben): Is it necessary to pass the new first party URL for
   // cookies? The only case where it can change is top-level navigation requests
   // and hopefully those will eventually all be owned by the browser. It's
   // possible this is still needed while renderer-owned ones exist.
   return info->filter()->Send(new ResourceMsg_ReceivedRedirect(
       GetRequestID(), redirect_info, response->head));
@@ skipping 20 matching lines @@
   if (info->is_upload_progress_enabled()) {
     waiting_for_upload_progress_ack_ = false;
     ReportUploadProgress();
   }
 
   if (rdh_->delegate()) {
     rdh_->delegate()->OnResponseStarted(
         request(), info->GetContext(), response, info->filter());
   }
 
-  DevToolsNetLogObserver::PopulateResponseInfo(request(), response);
+  NetLogObserver::PopulateResponseInfo(request(), response);
 
   const HostZoomMapImpl* host_zoom_map =
       static_cast<const HostZoomMapImpl*>(info->filter()->GetHostZoomMap());
 
   if (info->GetResourceType() == RESOURCE_TYPE_MAIN_FRAME && host_zoom_map) {
     const GURL& request_url = request()->url();
     int render_process_id = info->GetChildID();
     int render_view_id = info->GetRouteID();
 
     double zoom_level = host_zoom_map->GetZoomLevelForView(
@@ skipping 245 matching lines @@
   } else {
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "Net.ResourceLoader.ResponseStartToEnd.Over_512kB",
         elapsed_time, 1, 100000, 100);
   }
 
   inlining_helper_->RecordHistogram(elapsed_time);
 }
 
 }  // namespace content