Update print preview test to not use CallJavascriptFunctionUnsafe

chrome/browser/ui/webui/print_preview/print_preview_ui.cc

Index: chrome/browser/ui/webui/print_preview/print_preview_ui.cc
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc b/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
index 74220ae3d0da2e1ea2d6562a3a9de3cb81d7bdd0..43fd928903e61058207099148e3c030929cff5d2 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
@@ -695,3 +695,12 @@ void PrintPreviewUI::SetPdfSavedClosureForTesting(
     const base::Closure& closure) {
   handler_->SetPdfSavedClosureForTesting(closure);
 }
+
+void PrintPreviewUI::SendEnableManipulateSettingsForTest() {
+  handler_->SendEnableManipulateSettingsForTest();
+}
+
+void PrintPreviewUI::SendManipulateSettingsForTest(
+    const base::DictionaryValue& settings) {
+  handler_->SendManipulateSettingsForTest(settings);
+}