Convert GetWidgetRect to return rect.

xfa/fwl/core/cfwl_form.cpp

Index: xfa/fwl/core/cfwl_form.cpp
diff --git a/xfa/fwl/core/cfwl_form.cpp b/xfa/fwl/core/cfwl_form.cpp
index 60f0de386203084704f2d786eb2bb6b9f68c92a4..280e3c29cfb8d3605d03dd6e1e4fcaba6cf4b49b 100644
--- a/xfa/fwl/core/cfwl_form.cpp
+++ b/xfa/fwl/core/cfwl_form.cpp
@@ -80,18 +80,17 @@ bool CFWL_Form::IsInstance(const CFX_WideStringC& wsClass) const {
   return CFWL_Widget::IsInstance(wsClass);
 }
 
-void CFWL_Form::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
-  if (!bAutoSize) {
-    rect = m_pProperties->m_rtWidget;
-    return;
-  }
+CFX_RectF CFWL_Form::GetWidgetRect(bool bAutoSize) {
+  if (!bAutoSize)
+    return m_pProperties->m_rtWidget;
 
-  rect.Reset();
   FX_FLOAT fCXBorder = GetBorderSize(true);
   FX_FLOAT fCYBorder = GetBorderSize(false);
   FX_FLOAT fEdge = GetEdgeWidth();
-  rect.height += fCYBorder + fEdge + fEdge;
-  rect.width += fCXBorder + fCXBorder + fEdge + fEdge;
+  CFX_RectF rect;
+  rect.Set(0, 0, fCXBorder + fCXBorder + fEdge + fEdge,
+           fCYBorder + fEdge + fEdge);
+  return rect;
 }
 
 void CFWL_Form::GetClientRect(CFX_RectF& rect) {