https://bugs.webkit.org/show_bug.cgi?id=92142

Reviewed by Pavel Feldman.

Changed snippets context menu items.
Added run snippet status bar button.
Removed unused edit source button.

* English.lproj/localizedStrings.js:
* inspector/front-end/Images/statusbarButtonGlyphs.png:
* inspector/front-end/ScriptSnippetModel.js:
(WebInspector.SnippetJavaScriptSourceFrame):
(WebInspector.SnippetJavaScriptSourceFrame.prototype.statusBarItems):
(WebInspector.SnippetJavaScriptSourceFrame.prototype._runButtonClicked):
* inspector/front-end/ScriptsNavigator.js:
(WebInspector.SnippetsNavigatorView.prototype.getOrCreateFolderTreeElement):
(WebInspector.SnippetsNavigatorView.prototype.handleContextMenu):
* inspector/front-end/ScriptsPanel.js:
(WebInspector.ScriptsPanel.prototype._updateScriptViewStatusBarItems):
(WebInspector.ScriptsPanel.prototype._createSourceFrame):
* inspector/front-end/SourceFrame.js:
(WebInspector.SourceFrame.prototype.statusBarItems):
* inspector/front-end/inspector.css:
* inspector/front-end/scriptsPanel.css:
(.evaluate-snippet-status-bar-item .glyph):
(.evaluate-snippet-status-bar-item.toggled .glyph):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@123494 268f45cc-cd09-0410-ab3c-d52691b4dbfc