Remove use of goog.object.containsKey

src/ol/geom/flat/geodesicflatgeom.js

@@ -1,7 +1,6 @@
 goog.provide('ol.geom.flat.geodesic');
 
 goog.require('goog.asserts');
-goog.require('goog.object');
 goog.require('ol.TransformFunction');
 goog.require('ol.math');
 goog.require('ol.proj');
@@ -49,7 +48,7 @@ ol.geom.flat.geodesic.line_ =
     a = stack.pop();
     // Add the a coordinate if it has not been added yet
     key = fracA.toString();
-    if (!goog.object.containsKey(fractions, key)) {
+    if (!(key in fractions)) {
       flatCoordinates.push(a[0], a[1]);
       fractions[key] = true;
     }
@@ -68,7 +67,7 @@ ol.geom.flat.geodesic.line_ =
       // segment.
       flatCoordinates.push(b[0], b[1]);
       key = fracB.toString();
-      goog.asserts.assert(!goog.object.containsKey(fractions, key),
+      goog.asserts.assert(!(key in fractions),
           'fractions object should contain key : ' + key);
       fractions[key] = true;
     } else {