move phantomjs check for touch into Leaflet

to allow standalone mocha-phantomjs usage on the browser reporter

spec/karma.conf.js

@@ -13,7 +13,6 @@ files = [].concat([
 	"../node_modules/mocha/mocha.js",
 	MOCHA_ADAPTER,
 	"before.js",
-	"karma.js",
 	"sinon.js",
 	"expect.js"
 ], libSources, [

spec/karma.js

@@ -1,7 +0,0 @@
-// PhantomJS has `'ontouchstart' in document.documentElement`, but
-// doesn't actually support touch. So force touch not to be used.
-//
-// http://code.google.com/p/phantomjs/issues/detail?id=375
-// https://github.com/ariya/phantomjs/pull/408
-// https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151
-window.L_NO_TOUCH = true;

spec/suites/map/MapSpec.js

@@ -35,13 +35,16 @@ describe("Map", function () {
 			var container = document.createElement('div'),
 			    map = new L.Map(container).setView([0, 0], 1),
 				spy = sinon.spy();
+
 			map.on('click dblclick mousedown mouseup mousemove', spy);
 			map.remove();
+
 			happen.click(container);
 			happen.dblclick(container);
 			happen.mousedown(container);
 			happen.mouseup(container);
 			happen.mousemove(container);
+
 			expect(spy.called).to.not.be.ok();
 		});
 	});

src/core/Browser.js

@@ -32,7 +32,10 @@
 	    any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
 
 
-	var touch = !window.L_NO_TOUCH && (function () {
+	// PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch.
+	// https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151
+
+	var touch = !window.L_NO_TOUCH && !phantomjs && (function () {
 
 		var startName = 'ontouchstart';