Invalidate a slightly larger rect when updating popup annotations.

fpdfsdk/cpdfsdk_baannothandler.cpp

Index: fpdfsdk/cpdfsdk_baannothandler.cpp
diff --git a/fpdfsdk/cpdfsdk_baannothandler.cpp b/fpdfsdk/cpdfsdk_baannothandler.cpp
index 5cabef994a153fd4e6760b8714a7f100c46ab663..617d88fd416f29bec075e71c9b7f6d5b0d306ec8 100644
--- a/fpdfsdk/cpdfsdk_baannothandler.cpp
+++ b/fpdfsdk/cpdfsdk_baannothandler.cpp
@@ -28,6 +28,11 @@ void UpdateAnnotRects(CPDFSDK_PageView* pPageView, CPDFSDK_BAAnnot* pBAAnnot) {
   rects.push_back(pBAAnnot->GetRect());
   if (CPDF_Annot* pPopupAnnot = pBAAnnot->GetPDFPopupAnnot())
     rects.push_back(pPopupAnnot->GetRect());
+
+  // Make the rects round up to avoid https://crbug.com/662804
+  for (CFX_FloatRect& rect : rects)
+    rect.Inflate(1, 1);
+
   pPageView->UpdateRects(rects);
 }