Move mod_pagespeed metrics out of prerender.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
index fdb8ca196ccdd19524ff13ceb32ebe95776a19fc..f8ad7803dcd40f43a7d759a9b255919478ae776c 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
@@ -15,6 +15,7 @@
 #include "chrome/browser/component_updater/component_updater_resource_throttle.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/download/download_resource_throttle.h"
+#include "chrome/browser/mod_pagespeed_metrics.h"
 #include "chrome/browser/net/resource_prefetch_predictor_observer.h"
 #include "chrome/browser/plugins/plugin_prefs.h"
 #include "chrome/browser/prefetch/prefetch.h"
@@ -709,7 +710,8 @@ void ChromeResourceDispatcherHostDelegate::OnResponseStarted(
       response_headers->RemoveHeader("x-frame-options");
   }
 
-  prerender::URLRequestResponseStarted(request);
+  RecordModPagespeedMetrics(info->GetResourceType(), request->url(),
+                            request->response_headers());
 }
 
 void ChromeResourceDispatcherHostDelegate::OnRequestRedirected(