Revert of Streamline frame detach

Source/web/tests/WebFrameTest.cpp

Index: Source/web/tests/WebFrameTest.cpp
diff --git a/Source/web/tests/WebFrameTest.cpp b/Source/web/tests/WebFrameTest.cpp
index 218c41c38ee4c5d36a219ffaefb4157afed806a7..9d4971d0a10b89d8c4bf6670c6f089e4d937bba3 100644
--- a/Source/web/tests/WebFrameTest.cpp
+++ b/Source/web/tests/WebFrameTest.cpp
@@ -3744,7 +3744,9 @@
     EXPECT_FALSE(client.findResultsAreReady());
 
     mainFrame->resetMatchCount();
-    mainFrame->scopeStringMatches(kFindIdentifier, searchText, options, true);
+
+    for (WebFrame* frame = mainFrame; frame; frame = frame->traverseNext(false))
+        frame->scopeStringMatches(kFindIdentifier, searchText, options, true);
 
     // The first scopeStringMatches will have reset the state. Detach before it actually scopes.
     EXPECT_TRUE(mainFrame->document().getElementById("frame").remove());