Revert "Refactor sudden termination"

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 69d6f478d636a8f0f04c8d6a6ebc020c16023273..b15019b1e7e5c5a534cd8b45576c4adb48207f84 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -246,6 +246,11 @@ class CONTENT_EXPORT RenderViewHostImpl
                         uint64 upload_position,
                         uint64 upload_size);
 
+  bool SuddenTerminationAllowed() const;
+  void set_sudden_termination_allowed(bool enabled) {
+    sudden_termination_allowed_ = enabled;
+  }
+
   // RenderWidgetHost public overrides.
   void Init() override;
   void Shutdown() override;
@@ -427,6 +432,9 @@ class CONTENT_EXPORT RenderViewHostImpl
   // See http://crbug.com/418265.
   bool is_waiting_for_close_ack_;
 
+  // True if the render view can be shut down suddenly.
+  bool sudden_termination_allowed_;
+
   // The termination status of the last render view that terminated.
   base::TerminationStatus render_view_termination_status_;