Provide WebContents::CreateParams to tab helpers.

chrome/browser/ui/tab_helpers.cc

Index: chrome/browser/ui/tab_helpers.cc
diff --git a/chrome/browser/ui/tab_helpers.cc b/chrome/browser/ui/tab_helpers.cc
index ff3f0271150f5c9890957c179e7f8decdbbc0803..b565c76b692dac679d9177c88e56a2c187d523f0 100644
--- a/chrome/browser/ui/tab_helpers.cc
+++ b/chrome/browser/ui/tab_helpers.cc
@@ -138,7 +138,9 @@ const char kTabContentsAttachedTabHelpersUserDataKey[] =
 }  // namespace
 
 // static
-void TabHelpers::AttachTabHelpers(WebContents* web_contents) {
+void TabHelpers::AttachTabHelpers(
+    WebContents* web_contents,
+    const base::Optional<WebContents::CreateParams>& create_params) {
   // If already adopted, nothing to be done.
   base::SupportsUserData::Data* adoption_tag =
       web_contents->GetUserData(&kTabContentsAttachedTabHelpersUserDataKey);
@@ -202,7 +204,7 @@ void TabHelpers::AttachTabHelpers(WebContents* web_contents) {
     MixedContentSettingsTabHelper::CreateForWebContents(web_contents);
   NavigationCorrectionTabObserver::CreateForWebContents(web_contents);
   NavigationMetricsRecorder::CreateForWebContents(web_contents);
-  chrome::InitializePageLoadMetricsForWebContents(web_contents);
+  chrome::InitializePageLoadMetricsForWebContents(web_contents, create_params);
   PermissionRequestManager::CreateForWebContents(web_contents);
   PopupBlockerTabHelper::CreateForWebContents(web_contents);
   PrefsTabHelper::CreateForWebContents(web_contents);