Remove the OOP PDF flag

components/printing/renderer/print_web_view_helper.h

Index: components/printing/renderer/print_web_view_helper.h
diff --git a/components/printing/renderer/print_web_view_helper.h b/components/printing/renderer/print_web_view_helper.h
index a4eea7bc74ba9d84cbb453522cd868adc9835033..28bdf6815009fbea1bd33ca9e21da81005071e43 100644
--- a/components/printing/renderer/print_web_view_helper.h
+++ b/components/printing/renderer/print_web_view_helper.h
@@ -94,9 +94,6 @@ class PrintWebViewHelper
     // a pdf plugin element can't be extracted from the frame.
     virtual blink::WebElement GetPdfElement(blink::WebLocalFrame* frame) = 0;
 
-    // Used to know whether the content to print could be nested in an iframe.
-    virtual bool IsOutOfProcessPdfEnabled() = 0;
-
     virtual bool IsPrintPreviewEnabled() = 0;
 
     // If true, the user can be asked to provide print settings.