getPossibleBreakpoints should not crash during lazy compilation (crbug.com/715334)
{
    method : Debugger.scriptParsed
    params : {
        endColumn : 21
        endLine : 2
        executionContextId : <executionContextId>
        hasSourceURL : true
        hash : 124cb0278e3aa9f250651d433cdefeb5618c7202
        isLiveEdit : false
        isModule : false
        length : 52
        scriptId : <scriptId>
        sourceMapURL : 
        startColumn : 0
        startLine : 0
        url : test.js
    }
}
{
    method : Debugger.scriptFailedToParse
    params : {
        endColumn : 21
        endLine : 2
        executionContextId : <executionContextId>
        hasSourceURL : true
        hash : 124cb0278e3aa9f250651d433cdefeb5618c7202
        isModule : false
        length : 52
        scriptId : <scriptId>
        sourceMapURL : 
        startColumn : 0
        startLine : 0
        url : test.js
    }
}
One script is reported twice
{
    id : <messageId>
    result : {
        locations : [
        ]
    }
}
