Bug 972567 - Add a more descriptive tooltip to the Reconnect to Sync menu item. r=markh

browser/base/content/browser-fxaccounts.js

@@ -245,8 +245,10 @@ let gFxAccounts = {
 
       if (!this._inCustomizationMode) {
         if (this.loginFailed) {
+          let tooltipDescription = this.strings.formatStringFromName("reconnectDescription", [userData.email], 1);
           this.button.setAttribute("fxastatus", "error");
           this.button.setAttribute("label", errorLabel);
+          this.button.setAttribute("tooltiptext", tooltipDescription);
         } else if (userData) {
           this.button.setAttribute("fxastatus", "signedin");
           this.button.setAttribute("label", userData.email);

browser/locales/en-US/chrome/browser/accounts.properties

@@ -24,6 +24,9 @@ needVerifiedUserLong = Please click the verification link in the email sent to %
 resendVerificationEmail.label = Resend
 resendVerificationEmail.accessKey = R
 
+# LOCALIZATION NOTE (reconnectDescription) - %S = Email address of user's Firefox Account
+reconnectDescription = Reconnect %S
+
 forgetMigration.label = Forget
 forgetMigration.accessKey = F