Implement RenderWidgetHostViewAndroid::GetLastScrollOffset

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index 607e6b40ac4ca93c25a40d9da608e6e3b40404d8..5aa1a8eb774f4f20e7afda522da4a10efc8a7b65 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -429,6 +429,9 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   // List of readbackrequests waiting for arrival of a valid frame.
   std::queue<ReadbackRequest> readbacks_waiting_for_frame_;
 
+  // The last scroll offset of the view.
+  gfx::Vector2dF last_scroll_offset_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };