Web Inspector: Anonymous scripts (evals) should not be added to Workspace.

Web Inspector: Anonymous scripts (evals) should not be added to Workspace.
https://bugs.webkit.org/show_bug.cgi?id=90467

Reviewed by Pavel Feldman.

* inspector/front-end/ResourceScriptMapping.js:
(WebInspector.ResourceScriptMapping.prototype.rawLocationToUILocation):
(WebInspector.ResourceScriptMapping.prototype._uiSourceCodeAdded):
(WebInspector.ResourceScriptMapping.prototype._uiSourceCodeReplaced):
(WebInspector.ResourceScriptMapping.prototype._uiSourceCodeRemoved):
* inspector/front-end/ScriptSnippetModel.js:
(WebInspector.ScriptSnippetModel.prototype._createUISourceCodeForScript):
* inspector/front-end/ScriptsPanel.js:
(WebInspector.ScriptsPanel.prototype._uiSourceCodeAdded):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121790 268f45cc-cd09-0410-ab3c-d52691b4dbfc