Use a monotonic clock (TimeTicks) to report network times to WebCore.

content/common/resource_dispatcher.cc

 // Copyright (c) 2011 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/common/resource_dispatcher.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 314 matching lines @@
     return;
 
   request_info->peer->OnUploadProgress(position, size);
 
   // Acknowledge receipt
   message_sender()->Send(
       new ResourceHostMsg_UploadProgress_ACK(message.routing_id(), request_id));
 }
 
 void ResourceDispatcher::OnReceivedResponse(
-    int request_id, const ResourceResponseHead& response_head) {
+    int request_id, const ResourceResponseHead& response_head,
+    const base::TimeTicks& request_start_time,
+    const base::TimeTicks& response_start_time) {
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
 
   if (delegate_) {
     webkit_glue::ResourceLoaderBridge::Peer* new_peer =
         delegate_->OnReceivedResponse(
             request_info->peer, response_head.mime_type, request_info->url);
     if (new_peer)
       request_info->peer = new_peer;
   }
 
-  request_info->peer->OnReceivedResponse(response_head);
+  request_info->peer->OnReceivedResponse(response_head,
+                                         request_start_time,
+                                         response_start_time);
 }
 
 void ResourceDispatcher::OnReceivedCachedMetadata(
       int request_id, const std::vector<char>& data) {
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
 
   if (data.size())
     request_info->peer->OnReceivedCachedMetadata(&data.front(), data.size());
@@ skipping 33 matching lines @@
   if (!request_info)
     return;
 
   request_info->peer->OnDownloadedData(data_len);
 }
 
 void ResourceDispatcher::OnReceivedRedirect(
     const IPC::Message& message,
     int request_id,
     const GURL& new_url,
-    const webkit_glue::ResourceResponseInfo& info) {
+    const webkit_glue::ResourceResponseInfo& info,
+    const base::TimeTicks& request_start_time,
+    const base::TimeTicks& response_start_time) {
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
 
   int32 routing_id = message.routing_id();
   bool has_new_first_party_for_cookies = false;
   GURL new_first_party_for_cookies;
   if (request_info->peer->OnReceivedRedirect(new_url, info,
-                                            &has_new_first_party_for_cookies,
-                                            &new_first_party_for_cookies)) {
+                                             request_start_time,
+                                             response_start_time,
+                                             &has_new_first_party_for_cookies,
+                                             &new_first_party_for_cookies)) {
     // Double-check if the request is still around. The call above could
     // potentially remove it.
     request_info = GetPendingRequestInfo(request_id);
     if (!request_info)
       return;
     request_info->pending_redirect_message.reset(
         new ResourceHostMsg_FollowRedirect(routing_id, request_id,
                                            has_new_first_party_for_cookies,
                                            new_first_party_for_cookies));
     if (!request_info->is_deferred) {
       FollowPendingRedirect(request_id, *request_info);
     }
   } else {
     CancelPendingRequest(routing_id, request_id);
   }
 }
 
 void ResourceDispatcher::FollowPendingRedirect(
     int request_id,
     PendingRequestInfo& request_info) {
   IPC::Message* msg = request_info.pending_redirect_message.release();
   if (msg)
     message_sender()->Send(msg);
 }
 
-void ResourceDispatcher::OnRequestComplete(int request_id,
-                                           const net::URLRequestStatus& status,
-                                           const std::string& security_info,
-                                           const base::Time& completion_time) {
+void ResourceDispatcher::OnRequestComplete(
+    int request_id,
+    const net::URLRequestStatus& status,
+    const std::string& security_info,
+    const base::TimeTicks& completion_time) {
   PendingRequestInfo* request_info = GetPendingRequestInfo(request_id);
   if (!request_info)
     return;
 
   webkit_glue::ResourceLoaderBridge::Peer* peer = request_info->peer;
 
   if (delegate_) {
     webkit_glue::ResourceLoaderBridge::Peer* new_peer =
         delegate_->OnRequestComplete(
             request_info->peer, request_info->resource_type, status);
@@ skipping 158 matching lines @@
 
 // static
 void ResourceDispatcher::ReleaseResourcesInMessageQueue(MessageQueue* queue) {
   while (!queue->empty()) {
     IPC::Message* message = queue->front();
     ReleaseResourcesInDataMessage(*message);
     queue->pop_front();
     delete message;
   }
 }