Disable BeginFrame scheduling for OOPIF

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index b708ea1f9cdd577a76ecc94d18a903e9e33979e3..a09da9bd07d02eb6f188d4eab561df6a736e3a91 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -131,6 +131,7 @@ class CONTENT_EXPORT RenderWidget
   // Temporary for debugging purposes...
   bool closing() const { return closing_; }
   bool is_swapped_out() { return is_swapped_out_; }
+  bool for_oopif() { return for_oopif_; }
   ui::MenuSourceType context_menu_source_type() {
     return context_menu_source_type_;
   }
@@ -691,6 +692,11 @@ class CONTENT_EXPORT RenderWidget
   // swapped out, the process can exit.
   bool is_swapped_out_;
 
+  // TODO(simonhong): Remove this when we enable BeginFrame scheduling for
+  // OOPIF(crbug.com/471411).
+  // Whether this RenderWidget is for an out-of-process iframe or not.
+  bool for_oopif_;
+
   // Indicates if an input method is active in the browser process.
   bool input_method_is_active_;