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

content/common/resource_dispatcher.h

 // 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
 
 #ifndef CONTENT_COMMON_RESOURCE_DISPATCHER_H_
 #define CONTENT_COMMON_RESOURCE_DISPATCHER_H_
 #pragma once
 
@@ skipping 87 matching lines @@
 
   // Follows redirect, if any, for the given request.
   void FollowPendingRedirect(int request_id, PendingRequestInfo& request_info);
 
   // Message response handlers, called by the message handler for this process.
   void OnUploadProgress(
       const IPC::Message& message,
       int request_id,
       int64 position,
       int64 size);
-  void OnReceivedResponse(int request_id, const ResourceResponseHead&);
+  void OnReceivedResponse(
+      int request_id,
+      const ResourceResponseHead&,
+      const base::TimeTicks& start_time,
+      const base::TimeTicks& end_time);
   void OnReceivedCachedMetadata(int request_id, const std::vector<char>& data);
   void 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& start_time,
+      const base::TimeTicks& end_time);
   void OnReceivedData(
       const IPC::Message& message,
       int request_id,
       base::SharedMemoryHandle data,
       int data_len,
       int encoded_data_length);
   void OnDownloadedData(
       const IPC::Message& message,
       int request_id,
       int data_len);
   void OnRequestComplete(
       int request_id,
       const net::URLRequestStatus& status,
       const std::string& security_info,
-      const base::Time& completion_time);
+      const base::TimeTicks& completion_time);
 
   // Dispatch the message to one of the message response handlers.
   void DispatchMessage(const IPC::Message& message);
 
   // Dispatch any deferred messages for the given request, provided it is not
   // again in the deferred state.
   void FlushDeferredMessages(int request_id);
 
   // Returns true if the message passed in is a resource related message.
   static bool IsResourceDispatcherMessage(const IPC::Message& message);
@@ skipping 15 matching lines @@
   PendingRequestList pending_requests_;
 
   base::WeakPtrFactory<ResourceDispatcher> weak_factory_;
 
   content::ResourceDispatcherDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcher);
 };
 
 #endif  // CONTENT_COMMON_RESOURCE_DISPATCHER_H_