[Tab Metrics] Measure FP, FCP and FMP for Foreground Tab during Session Restore

chrome/browser/ui/browser_tabrestore.cc

Index: chrome/browser/ui/browser_tabrestore.cc
diff --git a/chrome/browser/ui/browser_tabrestore.cc b/chrome/browser/ui/browser_tabrestore.cc
index 2b9c5b5701985bbb05b96aa674df25c47bc4957b..fb09f87c80efe80729644938d2fe9259b8e20584 100644
--- a/chrome/browser/ui/browser_tabrestore.cc
+++ b/chrome/browser/ui/browser_tabrestore.cc
@@ -45,7 +45,8 @@ WebContents* CreateRestoredTab(
     bool from_last_session,
     content::SessionStorageNamespace* session_storage_namespace,
     const std::string& user_agent_override,
-    bool initially_hidden) {
+    bool initially_hidden,
+    base::Optional<RestoreOrigin::Type> restore_origin_type = base::nullopt) {
   GURL restore_url = navigations.at(selected_navigation).virtual_url();
   // TODO(ajwong): Remove the temporary session_storage_namespace_map when
   // we teach session restore to understand that one tab can have multiple
@@ -67,6 +68,10 @@ WebContents* CreateRestoredTab(
   WebContents* web_contents = content::WebContents::CreateWithSessionStorage(
       create_params,
       session_storage_namespace_map);
+  if (restore_origin_type) {
+    RestoreOrigin::CreateForWebContents(web_contents,
+                                        restore_origin_type.value());
+  }
   extensions::TabHelper::CreateForWebContents(web_contents);
   extensions::TabHelper::FromWebContents(web_contents)->
       SetExtensionAppById(extension_app_id);
@@ -94,15 +99,12 @@ content::WebContents* AddRestoredTab(
     bool pin,
     bool from_last_session,
     content::SessionStorageNamespace* session_storage_namespace,
-    const std::string& user_agent_override) {
-  WebContents* web_contents = CreateRestoredTab(browser,
-                                                navigations,
-                                                selected_navigation,
-                                                extension_app_id,
-                                                from_last_session,
-                                                session_storage_namespace,
-                                                user_agent_override,
-                                                !select);
+    const std::string& user_agent_override,
+    base::Optional<RestoreOrigin::Type> restore_origin_type) {
+  WebContents* web_contents = CreateRestoredTab(
+      browser, navigations, selected_navigation, extension_app_id,
+      from_last_session, session_storage_namespace, user_agent_override,
+      !select, restore_origin_type);
 
   int add_types = select ? TabStripModel::ADD_ACTIVE
                          : TabStripModel::ADD_NONE;