Implement newly designed sign-in related histograms for desktop platorms.

chrome/browser/ui/webui/webui_webview_browsertest.cc

Index: chrome/browser/ui/webui/webui_webview_browsertest.cc
diff --git a/chrome/browser/ui/webui/webui_webview_browsertest.cc b/chrome/browser/ui/webui/webui_webview_browsertest.cc
index 2ed4fa8a6613c09402c46f7d4a91a4659ddc8a92..7329d0f4c54c3373265cd3d6a836bc2f5b57dc6c 100644
--- a/chrome/browser/ui/webui/webui_webview_browsertest.cc
+++ b/chrome/browser/ui/webui/webui_webview_browsertest.cc
@@ -6,6 +6,7 @@
 #include "base/path_service.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu_test_util.h"
+#include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_paths.h"
@@ -37,7 +38,9 @@ class WebUIWebViewBrowserTest : public WebUIBrowserTest {
   }
 
   GURL GetWebViewEnabledWebUIURL() const {
-    return GURL(chrome::kChromeUIChromeSigninURL);
+    return GURL(signin::GetPromoURL(
+        signin_metrics::AccessPoint::ACCESS_POINT_START_PAGE,
+        signin_metrics::Reason::REASON_SIGNIN_PRIMARY_ACCOUNT, false));
   }
 
  private: