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

chrome/browser/printing/print_dialog_cloud.cc

Index: chrome/browser/printing/print_dialog_cloud.cc
diff --git a/chrome/browser/printing/print_dialog_cloud.cc b/chrome/browser/printing/print_dialog_cloud.cc
index b22feeb5b0dc11e4921f03ed4894f30407a02c34..dc4719cc25e0ef5767f3225ba3270613d865db0c 100644
--- a/chrome/browser/printing/print_dialog_cloud.cc
+++ b/chrome/browser/printing/print_dialog_cloud.cc
@@ -69,7 +69,8 @@ void CreateCloudPrintSigninTab(Browser* browser,
     browser->window()->ShowAvatarBubbleFromAvatarButton(
         add_account ? BrowserWindow::AVATAR_BUBBLE_MODE_ADD_ACCOUNT
                     : BrowserWindow::AVATAR_BUBBLE_MODE_SIGNIN,
-        signin::ManageAccountsParams());
+        signin::ManageAccountsParams(),
+        signin_metrics::ACCESS_POINT_CLOUD_PRINT);
   } else {
     GURL url = add_account ? cloud_devices::GetCloudPrintAddAccountURL()
                            : cloud_devices::GetCloudPrintSigninURL();