Expand FrameSeleciton::isRange() to increase chances of hoisting update layout

third_party/WebKit/Source/core/input/MouseEventManager.cpp

Index: third_party/WebKit/Source/core/input/MouseEventManager.cpp
diff --git a/third_party/WebKit/Source/core/input/MouseEventManager.cpp b/third_party/WebKit/Source/core/input/MouseEventManager.cpp
index 2be66b1a3fd4abb3afab2fdf53deb50dcf063a4f..524f298cea7f49e43ac6efd4c6e3ae32d1b9f5b7 100644
--- a/third_party/WebKit/Source/core/input/MouseEventManager.cpp
+++ b/third_party/WebKit/Source/core/input/MouseEventManager.cpp
@@ -425,7 +425,10 @@ WebInputEventResult MouseEventManager::handleMouseFocus(
   // be focused if the user does a mouseup over it, however, because the
   // mouseup will set a selection inside it, which will call
   // FrameSelection::setFocusedNodeIfNeeded.
-  if (element && m_frame->selection().isRange()) {
+  if (element &&
+      m_frame->selection()
+          .computeVisibleSelectionInDOMTreeDeprecated()
+          .isRange()) {
     // TODO(yosin) We should not create |Range| object for calling
     // |isNodeFullyContained()|.
     if (createRange(m_frame->selection()