Crash caused when a context operation is performed inside a fs.readFile() after creating a canvas element.

[prominentdetail]

Issue Type

bug report, crashing.

Crash caused when a context operation is performed inside a fs.readFile() after creating a canvas element.
It works fine prior to 0.90.0

Additional Info

• Operating System: any
• NW.js Version: 0.90 -> 0.94
• Repro Link: nwjsCanvasFS_Bug.zip
• Code snippet:

var gui = require('nw.gui');	
gui.Window.get().showDevTools();


var fs = require("fs");
var fileName = 'config.ini';

var canvas;
var context;
var canvasOverlay;
var contextOverlay;

fs.readFile(fileName, "utf8", function(error, data) {
	if(!error){
		var result = data.split( "\r\n" );
		
		config.loadSettings( result );
	}
	
	
//uncomment the setTimeout to make it not crash
//	setTimeout(function(){ 
	
		canvas = document.createElement('canvas');
		context = canvas.getContext('2d');
		canvasOverlay = document.createElement('canvas');
		contextOverlay = canvasOverlay.getContext('2d');
		
		contextOverlay.clearRect(0,0,1,1);

//	 0);


});