Assorted missing requires

src/ol/renderer/canvas/imagelayer.js

@@ -1,5 +1,6 @@
 goog.provide('ol.renderer.canvas.ImageLayer');
 
+goog.require('ol');
 goog.require('ol.View');
 goog.require('ol.dom');
 goog.require('ol.extent');

src/ol/renderer/canvas/layer.js

@@ -1,12 +1,13 @@
 goog.provide('ol.renderer.canvas.Layer');
 
-goog.require('ol.transform');
+goog.require('ol');
 goog.require('ol.extent');
 goog.require('ol.render.Event');
 goog.require('ol.render.EventType');
 goog.require('ol.render.canvas');
 goog.require('ol.render.canvas.Immediate');
 goog.require('ol.renderer.Layer');
+goog.require('ol.transform');
 
 
 /**

src/ol/renderer/canvas/vectorlayer.js

@@ -1,5 +1,6 @@
 goog.provide('ol.renderer.canvas.VectorLayer');
 
+goog.require('ol');
 goog.require('ol.View');
 goog.require('ol.dom');
 goog.require('ol.extent');

src/ol/renderer/canvas/vectortilelayer.js

@@ -1,5 +1,6 @@
 goog.provide('ol.renderer.canvas.VectorTileLayer');
 
+goog.require('ol');
 goog.require('ol.array');
 goog.require('ol.extent');
 goog.require('ol.proj');