[Tab Metrics] Adding the tab loading state to the WebContentsData.

chrome/browser/resource_coordinator/tab_manager_web_contents_data_unittest.cc

Index: chrome/browser/resource_coordinator/tab_manager_web_contents_data_unittest.cc
diff --git a/chrome/browser/resource_coordinator/tab_manager_web_contents_data_unittest.cc b/chrome/browser/resource_coordinator/tab_manager_web_contents_data_unittest.cc
index f2c6628f3706fe5c57362a9bd918a16e1f9205c8..8d23d7c27673e6c300165bc7c9f06fde069abfad 100644
--- a/chrome/browser/resource_coordinator/tab_manager_web_contents_data_unittest.cc
+++ b/chrome/browser/resource_coordinator/tab_manager_web_contents_data_unittest.cc
@@ -92,6 +92,14 @@ TEST_F(TabManagerWebContentsDataTest, LastInactiveTime) {
   EXPECT_EQ(now, tab_data()->LastInactiveTime());
 }
 
+TEST_F(TabManagerWebContentsDataTest, TabLoadingState) {
+  EXPECT_EQ(TAB_IS_NOT_LOADING, tab_data()->tab_loading_state());
+  tab_data()->SetTabLoadingState(TAB_IS_LOADING);
+  EXPECT_EQ(TAB_IS_LOADING, tab_data()->tab_loading_state());
+  tab_data()->SetTabLoadingState(TAB_IS_LOADED);
+  EXPECT_EQ(TAB_IS_LOADED, tab_data()->tab_loading_state());
+}
+
 TEST_F(TabManagerWebContentsDataTest, CopyState) {
   std::unique_ptr<WebContents> web_contents2;
   auto* tab_data2 = CreateWebContentsAndTabData(&web_contents2);