Overlay logic is well separable from the scripts panel and does not belong there. Extracting it into a separate class.
Created attachment 137694 [details]
Attachment 137694 [details] did not pass style-queue:
Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/WebCore/ChangeLog', u'Source/WebCor..." exit_code: 1
Source/WebCore/bindings/v8/V8IsolatedContext.cpp:44: "stdio.h" already included at Source/WebCore/bindings/v8/V8IsolatedContext.cpp:42 [build/include] 
Total errors found: 1 in 4 files
If any of these errors are false positives, please file a bug against check-webkit-style.
Created attachment 137697 [details]
Committed r114532: <http://trac.webkit.org/changeset/114532>