Attempt to linearize the scroll deltas created in RenderWidgetHostViewBase

content/public/browser/render_widget_host.h

Index: content/public/browser/render_widget_host.h
diff --git a/content/public/browser/render_widget_host.h b/content/public/browser/render_widget_host.h
index 8a6d46b9aa75a309d09abf25d3683a79b4014eb0..546628a608c071d7c6a2b216fac53425c6b3a80e 100644
--- a/content/public/browser/render_widget_host.h
+++ b/content/public/browser/render_widget_host.h
@@ -266,6 +266,8 @@ class CONTENT_EXPORT RenderWidgetHost : public IPC::Sender {
   // Remove a keyboard listener.
   virtual void RemoveKeyboardListener(KeyboardListener* listener) = 0;
 
+  virtual int SyntheticScrollMessageInterval() const = 0;

[jam, 2012/12/02 23:47:39]

since this is just called from inside content (i.e. not by embedders), no need
to have it on the public interface. add it on RenderWidgetHostImpl and cast to
the impl when you need to call it

+
  protected:
   friend class RenderWidgetHostImpl;