Break on exceptions from compiler errors.

Running test: testUnexpectedEndOfInput
Runs '+++'
Runtime.evaluate exceptionDetails:
{
    columnNumber : 2
    exception : {
        className : SyntaxError
        description : SyntaxError: Unexpected end of input
        objectId : <objectId>
        subtype : error
        type : object
    }
    exceptionId : <exceptionId>
    lineNumber : 0
    scriptId : <scriptId>
    text : Uncaught
}

Running test: testUnexpectedIdentifier
Runs 'x x'
Runtime.evaluate exceptionDetails:
{
    columnNumber : 2
    exception : {
        className : SyntaxError
        description : SyntaxError: Unexpected identifier
        objectId : <objectId>
        subtype : error
        type : object
    }
    exceptionId : <exceptionId>
    lineNumber : 0
    scriptId : <scriptId>
    text : Uncaught
}

Running test: testEvalUnexpectedEndOfInput
Runs eval('+++')
paused on exception:
{
    className : SyntaxError
    description : SyntaxError: Unexpected end of input     at <anonymous>:1:1
    objectId : <objectId>
    subtype : error
    type : object
    uncaught : false
}
Runtime.evaluate exceptionDetails:
{
    columnNumber : 2
    exception : {
        className : SyntaxError
        description : SyntaxError: Unexpected end of input     at <anonymous>:1:1
        objectId : <objectId>
        subtype : error
        type : object
    }
    exceptionId : <exceptionId>
    lineNumber : 0
    scriptId : <scriptId>
    text : Uncaught
}

Running test: testEvalUnexpectedIdentifier
Runs eval('x x')
paused on exception:
{
    className : SyntaxError
    description : SyntaxError: Unexpected identifier     at <anonymous>:1:1
    objectId : <objectId>
    subtype : error
    type : object
    uncaught : false
}
Runtime.evaluate exceptionDetails:
{
    columnNumber : 2
    exception : {
        className : SyntaxError
        description : SyntaxError: Unexpected identifier     at <anonymous>:1:1
        objectId : <objectId>
        subtype : error
        type : object
    }
    exceptionId : <exceptionId>
    lineNumber : 0
    scriptId : <scriptId>
    text : Uncaught
}
