Fix invalidity in HitTestCache with LayoutParts.

Source/core/layout/HitTestCache.cpp

Index: Source/core/layout/HitTestCache.cpp
diff --git a/Source/core/layout/HitTestCache.cpp b/Source/core/layout/HitTestCache.cpp
index 8ab3377278f84a396d7067cc8e9b4174c35650ab..8ae19afdf23557d832fa78fea86c0c1231542a82 100644
--- a/Source/core/layout/HitTestCache.cpp
+++ b/Source/core/layout/HitTestCache.cpp
@@ -53,11 +53,6 @@ void HitTestCache::addCachedResult(const HitTestResult& result, uint64_t domTree
     if (!result.isCacheable())
         return;
 
-    // If the result was a hit test on an LayoutPart and the request allowed
-    // querying of the layout part; then the part hasn't been loaded yet.
-    if (result.isOverWidget() && result.hitTestRequest().allowsChildFrameContent())
-        return;
-
     // For now don't support rect based or list based requests.
     if (result.hitTestLocation().isRectBasedTest() || result.hitTestRequest().listBased())
         return;