Web Inspector: Add infrastructure for eslint based static analyzer

Web Inspector: Add infrastructure for eslint based static analyzer
https://bugs.webkit.org/show_bug.cgi?id=137890

Reviewed by Timothy Hatcher.

Adding a manager to analyze source code, return warnings (AnalyzerMessages), and cache warnings.

* UserInterface/Base/Main.js: Create analyzerManager singleton.
* UserInterface/Controllers/AnalyzerManager.js: Added.
(WebInspector.AnalyzerManager):
(set WebInspector.AnalyzerManager.prototype.getAnalyzerMessagesForSourceCode.):
(set WebInspector.AnalyzerManager.prototype.getAnalyzerMessagesForSourceCode):
(set WebInspector.AnalyzerManager.prototype.set get sourceCodeCanBeAnalyzed):
(set WebInspector.AnalyzerManager.prototype._handleSourceCodeContentDidChange):
* UserInterface/Main.html: Add new files.
* UserInterface/Models/AnalyzerMessage.js: Added.
(WebInspector.AnalyzerMessage):
(WebInspector.AnalyzerMessage.prototype.get sourceCodeLocation):
(WebInspector.AnalyzerMessage.prototype.get sourceCode):
(WebInspector.AnalyzerMessage.prototype.get text):
(WebInspector.AnalyzerMessage.prototype.get ruleIdentifier):
* UserInterface/Models/SourceCode.js: Added call to WebInspector.Object.addConstructorFunctions().

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@175628 268f45cc-cd09-0410-ab3c-d52691b4dbfc