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

content/browser/renderer_host/async_resource_handler.cc

Index: content/browser/renderer_host/async_resource_handler.cc
diff --git a/content/browser/renderer_host/async_resource_handler.cc b/content/browser/renderer_host/async_resource_handler.cc
index 235a569204cd499546cd88388995d494915dd24f..17d7fb3c204cf21b9108f8781ed60d6a5bb0fabc 100644
--- a/content/browser/renderer_host/async_resource_handler.cc
+++ b/content/browser/renderer_host/async_resource_handler.cc
@@ -26,7 +26,6 @@
 #include "net/base/net_log.h"
 #include "webkit/glue/resource_loader_bridge.h"
 
-using base::Time;
 using base::TimeTicks;
 
 namespace {
@@ -110,7 +109,8 @@ bool AsyncResourceHandler::OnRequestRedirected(int request_id,
 
   DevToolsNetLogObserver::PopulateResponseInfo(request, response);
   return filter_->Send(new ResourceMsg_ReceivedRedirect(
-      routing_id_, request_id, new_url, response->response_head));
+      routing_id_, request_id, new_url, response->response_head,
+      request->start_time(), TimeTicks::Now()));
 }
 
 bool AsyncResourceHandler::OnResponseStarted(int request_id,
@@ -142,7 +142,8 @@ bool AsyncResourceHandler::OnResponseStarted(int request_id,
   }
 
   filter_->Send(new ResourceMsg_ReceivedResponse(
-      routing_id_, request_id, response->response_head));
+      routing_id_, request_id, response->response_head, request->start_time(),
+      TimeTicks::Now()));
 
   if (request->response_info().metadata) {
     std::vector<char> copy(request->response_info().metadata->data(),
@@ -239,7 +240,7 @@ bool AsyncResourceHandler::OnResponseCompleted(
     int request_id,
     const net::URLRequestStatus& status,
     const std::string& security_info) {
-  Time completion_time = Time::Now();
+  TimeTicks completion_time = TimeTicks::Now();
   filter_->Send(new ResourceMsg_RequestComplete(routing_id_,
                                                 request_id,
                                                 status,