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

content/common/resource_dispatcher.cc

Index: content/common/resource_dispatcher.cc
diff --git a/content/common/resource_dispatcher.cc b/content/common/resource_dispatcher.cc
index 5cb68000cd3abc61e0ff3c1d6df9ee0e5fb2d940..582b68f8ebef9b877abd83cc1b8585850a329db1 100644
--- a/content/common/resource_dispatcher.cc
+++ b/content/common/resource_dispatcher.cc
@@ -428,10 +428,11 @@ void ResourceDispatcher::FollowPendingRedirect(
     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;