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/compiler_specific.h"
@@ skipping 410 matching lines @@
 }
 
 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;
   }
 }