Remove two unnecessary params in ViewHostMsg_UpdateRect_Params

content/public/browser/render_widget_host_view.h

Index: content/public/browser/render_widget_host_view.h
diff --git a/content/public/browser/render_widget_host_view.h b/content/public/browser/render_widget_host_view.h
index fff83a76f75e65de9d6bcc6775d56746fc5d07ac..9fe797c755f1d0cc2002b0fdd87f99c3e636efc3 100644
--- a/content/public/browser/render_widget_host_view.h
+++ b/content/public/browser/render_widget_host_view.h
@@ -61,6 +61,9 @@ class CONTENT_EXPORT RenderWidgetHostView {
   // screen space.
   virtual void SetBounds(const gfx::Rect& rect) = 0;
 
+  // Retrieves the last known scroll position.
+  virtual gfx::Vector2dF GetLastScrollOffset() const = 0;
+
   // Retrieves the native view used to contain plugins and identify the
   // renderer in IPC messages.
   virtual gfx::NativeView GetNativeView() const = 0;