chrome.storage.local for [MinDB](https://github.com/iwillwen/mindb)

chromeStorageLocal.js

function chromeStorageLocal() {
	this.storageArea = chrome.storage.local;
	this.async = true;
}
chromeStorageLocal.prototype.get = function(key, callback) {
	this.storageArea.get(key, function(items) {
		if (chrome.runtime.lastError) {
			callback(chrome.runtime.lastError);
		} else {
			callback(null, items[key]);
		}
	});
};
chromeStorageLocal.prototype.set = function(key, value, callback) {
	var obj = {};
	obj[key] = value;
	this.storageArea.set(obj, function() {
		if (chrome.runtime.lastError) {
			callback(chrome.runtime.lastError);
		} else {
			callback();
		}
	});
};
chromeStorageLocal.prototype.remove = function(key, callback) {
	this.storageArea.remove(key, function() {
		if (chrome.runtime.lastError) {
			callback(chrome.runtime.lastError);
		} else {
			callback();
		}
	});
};