Change hover element to scrollbar's parent when hit test contains scrollbar

third_party/WebKit/Source/web/tests/WebFrameTest.cpp

Index: third_party/WebKit/Source/web/tests/WebFrameTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
index b67f82914f7a0599ddf22f8c47098db807b4ffa9..ba41c83fb362b40a456268a16ffde5f7bf636150 100644
--- a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
@@ -10856,7 +10856,8 @@ TEST_F(WebFrameTest, MouseOverDifferntNodeClearsTooltip) {
 }
 
 // Makes sure that mouse hover over an overlay scrollbar doesn't activate
-// elements below unless the scrollbar is faded out.
+// elements below(except the Element that owns the scrollbar) unless the
+// scrollbar is faded out.
 TEST_F(WebFrameTest, MouseOverLinkAndOverlayScrollbar) {
   FrameTestHelpers::WebViewHelper webViewHelper;
   webViewHelper.initialize(true, nullptr, nullptr, nullptr,