Position autofill popup widgets correctly under --site-per-process

content/browser/frame_host/render_widget_host_view_child_frame.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
@@ skipping 363 matching lines @@
     const blink::WebMouseEvent& event) {
   host_->ForwardMouseEvent(event);
 }
 
 void RenderWidgetHostViewChildFrame::ProcessMouseWheelEvent(
     const blink::WebMouseWheelEvent& event) {
   if (event.deltaX != 0 || event.deltaY != 0)
     host_->ForwardWheelEvent(event);
 }
 
-void RenderWidgetHostViewChildFrame::TransformPointToRootCoordSpace(
-    const gfx::Point& point,
-    gfx::Point* transformed_point) {
-  *transformed_point = point;
+gfx::Point RenderWidgetHostViewChildFrame::TransformPointToRootCoordSpace(
+    const gfx::Point& point) {
   if (!frame_connector_ || !use_surfaces_)
-    return;
+    return point;
 
-  frame_connector_->TransformPointToRootCoordSpace(point, surface_id_,
-                                                   transformed_point);
+  return frame_connector_->TransformPointToRootCoordSpace(point, surface_id_);
 }
 
 #if defined(OS_MACOSX)
 void RenderWidgetHostViewChildFrame::SetActive(bool active) {
 }
 
 void RenderWidgetHostViewChildFrame::SetWindowVisibility(bool visible) {
 }
 
 void RenderWidgetHostViewChildFrame::WindowFrameChanged() {
@@ skipping 94 matching lines @@
 #endif
 }
 
 void RenderWidgetHostViewChildFrame::ClearCompositorSurfaceIfNecessary() {
   if (surface_factory_ && !surface_id_.is_null())
     surface_factory_->Destroy(surface_id_);
   surface_id_ = cc::SurfaceId();
 }
 
 }  // namespace content