[UseZoomForDSF] Convert draggable region to Window coordinates

extensions/renderer/extension_helper.cc

Index: extensions/renderer/extension_helper.cc
diff --git a/extensions/renderer/extension_helper.cc b/extensions/renderer/extension_helper.cc
index 8eb0cc8e170ee7e48da79d7c1ce811f05798e65a..728ea138c0dd9397a532ed3205a2d0cce5c4f804 100644
--- a/extensions/renderer/extension_helper.cc
+++ b/extensions/renderer/extension_helper.cc
@@ -47,6 +47,7 @@ void ExtensionHelper::DraggableRegionsChanged(blink::WebFrame* frame) {
   std::vector<DraggableRegion> regions;
   for (size_t i = 0; i < webregions.size(); ++i) {
     DraggableRegion region;
+    render_view()->convertViewportToWindow(&webregions[i].bounds);
     region.bounds = webregions[i].bounds;
     region.draggable = webregions[i].draggable;
     regions.push_back(region);