Web Inspector: skip overlapping scripts when displaying concatenated content.

Web Inspector: skip overlapping scripts when displaying concatenated content.
https://bugs.webkit.org/show_bug.cgi?id=68144

Source/WebCore:

Dynamically appended script tags have wrong offsets and cause troubles building concatenated content.

Reviewed by Pavel Feldman.

* inspector/front-end/SourceFile.js:
(WebInspector.ConcatenatedScriptsContentProvider.prototype._concatenateScriptsContent.appendChunk):
(WebInspector.ConcatenatedScriptsContentProvider.prototype._concatenateScriptsContent):

LayoutTests:

Reviewed by Pavel Feldman.

* inspector/debugger/content-providers-expected.txt:
* inspector/debugger/content-providers.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@95797 268f45cc-cd09-0410-ab3c-d52691b4dbfc