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

chrome/common/extensions/extension_localization_peer.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.
 
 #include "chrome/common/extensions/extension_localization_peer.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string_util.h"
 #include "chrome/common/extensions/extension_message_bundle.h"
 #include "chrome/common/extensions/extension_messages.h"
@@ skipping 50 matching lines @@
 
 void ExtensionLocalizationPeer::OnReceivedData(const char* data,
                                                int data_length,
                                                int encoded_data_length) {
   data_.append(data, data_length);
 }
 
 void ExtensionLocalizationPeer::OnCompletedRequest(
     const net::URLRequestStatus& status,
     const std::string& security_info,
-    const base::Time& completion_time) {
+    const base::TimeTicks& completion_time) {
   // Make sure we delete ourselves at the end of this call.
   scoped_ptr<ExtensionLocalizationPeer> this_deleter(this);
 
   // Give sub-classes a chance at altering the data.
   if (status.status() != net::URLRequestStatus::SUCCESS) {
     // We failed to load the resource.
     original_peer_->OnReceivedResponse(response_info_);
     net::URLRequestStatus status(net::URLRequestStatus::CANCELED,
                                  net::ERR_ABORTED);
     original_peer_->OnCompletedRequest(status, security_info, completion_time);
@@ skipping 32 matching lines @@
 
     l10n_messages = GetL10nMessagesMap(extension_id);
   }
 
   std::string error;
   if (ExtensionMessageBundle::ReplaceMessagesWithExternalDictionary(
           *l10n_messages, &data_, &error)) {
     data_.resize(data_.size());
   }
 }