Index: build/tcl/chrome-emu.js
==================================================================
--- build/tcl/chrome-emu.js
+++ build/tcl/chrome-emu.js
@@ -1,11 +1,114 @@
+console = {};
+console._formatArgs = function(argInfo) {
+	var idx, outArray;
+	var arg;
+
+	idx = 0;
+	outArray = [];
+	for (idx = 0; idx < argInfo.length; idx++) {
+		arg = argInfo[idx];
+		if (typeof(arg) === 'string' || typeof(arg) === 'number') {
+			outArray.push(arg);
+		} else if (typeof(arg) === 'undefined') {
+			outArray.push("<undefined>");
+		} else if (arg === null) {
+			outArray.push("<null>");
+		} else {
+			outArray.push(JSON.stringify(arg));
+		}
+	}
+	return(outArray.join(' '));
+}
+console.log = function() {
+	runtime.puts("CON> " + console._formatArgs(arguments));
+}
+console.error = function(message) {
+	runtime.puts(runtime.stderr, "ERR> " + console._formatArgs(arguments));
+	return;
+}
+console.debug = function(message) {
+	runtime.puts(runtime.stderr, "DBG> " + console._formatArgs(arguments));
+	return;
+}
+
+if (!Array.from) {
+	Array.from = function(source) {
+		var result, idx;
+		result = new Array(source.length);
+		for (idx = 0; idx < source.length; idx++) {
+			result[idx] = source[idx];
+		}
+		return(result);
+	}
+}
+
+if (!Array.prototype.slice) {
+	Array.prototype.slice = function(start) {
+		var result, idx, outIdx;
+		result = [];
+		outIdx = 0;
+		for (idx = start; idx < this.length; idx++) {
+			result[outIdx] = this[idx];
+			outIdx++;
+		}
+		return(result);
+	}
+}
+
+if (!String.prototype.padStart) {
+	String.prototype.padStart = function(len, char) {
+		if (this.length >= len) {
+			return(this);
+		}
+
+		return((char + this).padStart(len, char))
+	}
+}
+
+if (!RegExp.prototype.compile) {
+	RegExp.prototype.compile = function() {
+		return;
+	};
+}
+
+if (!Uint8Array.prototype.forEach) {
+	Uint8Array.prototype.forEach = function(callback) {
+		var idx;
+		for (idx = 0; idx < this.length; idx++) {
+			callback(this[idx]);
+		}
+	}
+}
+
+if (!Uint8Array.prototype.map) {
+	Uint8Array.prototype.map = function(callback) {
+		var result, idx;
+		result = [];
+
+		for (idx = 0; idx < this.length; idx++) {
+			result.push(callback(this[idx]));
+		}
 
-console = {
-	log: function() {
-		/* XXX:TODO: Logging */
+		return(result);
 	}
 }
+
+navigator = {
+	userAgent: ""
+};
+
+crypto = {
+	subtle: {
+		digest: function(hash, data) {
+			var bufferData;
+			bufferData = new Buffer(data);
+			return(crypto.subtle.digest.internal(hash, bufferData));
+		}
+	}
+};
+
 chrome = {
 	runtime: {
 		connectCallbacks: [],
 		onConnectExternal: {
 			addListener: function(callback) {
@@ -24,6 +127,12 @@
 
 				chrome.runtime.connectCallbacks.splice(idx, 1);
 			}
 		}
 	}
-}
+};
+
+chrome.runtime.externalConnect = function(data) {
+	chrome.runtime.connectCallbacks.forEach(function(callback) {
+		callback(data);
+	});
+};