Revert of Make printing work better with OOPIF.

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

Index: chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc b/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
index 12910fae0f96dcfd94b184420b2bb8e0d11b05d2..9bd19f389693d3b7236a61bf87f40300dccb7428 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
@@ -51,7 +51,6 @@
  protected:
   void SetUp() override;
 
- private:
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewUIUnitTest);
 };
 
@@ -76,7 +75,7 @@
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
-  print_view_manager->PrintPreviewNow(initiator->GetMainFrame(), false);
+  print_view_manager->PrintPreviewNow(false);
   WebContents* preview_dialog = controller->GetOrCreatePreviewDialog(initiator);
 
   EXPECT_NE(initiator, preview_dialog);
@@ -129,7 +128,7 @@
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
-  print_view_manager->PrintPreviewNow(initiator->GetMainFrame(), false);
+  print_view_manager->PrintPreviewNow(false);
   WebContents* preview_dialog = controller->GetOrCreatePreviewDialog(initiator);
 
   EXPECT_NE(initiator, preview_dialog);
@@ -189,7 +188,7 @@
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
-  print_view_manager->PrintPreviewNow(initiator->GetMainFrame(), false);
+  print_view_manager->PrintPreviewNow(false);
   WebContents* preview_dialog = controller->GetOrCreatePreviewDialog(initiator);
 
   EXPECT_NE(initiator, preview_dialog);