Merge 197139 "Fix the logic that limits the number of frames in ..."

Source/core/frame/LocalFrame.cpp

Index: Source/core/frame/LocalFrame.cpp
===================================================================
--- Source/core/frame/LocalFrame.cpp	(revision 198700)
+++ Source/core/frame/LocalFrame.cpp	(working copy)
@@ -693,8 +693,6 @@
 {
     // We allow one level of self-reference because some sites depend on that,
     // but we don't allow more than one.
-    if (host()->subframeCount() >= FrameHost::maxNumberOfFrames)
-        return false;
     bool foundSelfReference = false;
     for (const Frame* frame = this; frame; frame = frame->tree().parent()) {
         if (!frame->isLocalFrame())