Pass state option to image source constructors

src/objectliterals.jsdoc

@@ -635,6 +635,7 @@
  *     on.
  * @property {Array.<number>|undefined} resolutions Resolutions. If specified,
  *     new canvases will be created for these resolutions only.
+ * @property {ol.source.State|undefined} state Source state.
  */
 
 /**

src/ol/source/imagecanvassource.js

@@ -13,12 +13,14 @@ goog.require('ol.source.Image');
  * @param {olx.source.ImageCanvasOptions} options
  */
 ol.source.ImageCanvas = function(options) {
+
   goog.base(this, {
     attributions: options.attributions,
     extent: options.extent,
     logo: options.logo,
     projection: options.projection,
-    resolutions: options.resolutions
+    resolutions: options.resolutions,
+    state: options.state
   });
 
   /**

src/ol/source/imagesource.js

@@ -14,7 +14,8 @@ goog.require('ol.source.Source');
  *            extent: (null|ol.Extent|undefined),
  *            logo: (string|undefined),
  *            projection: ol.proj.ProjectionLike,
- *            resolutions: (Array.<number>|undefined)}}
+ *            resolutions: (Array.<number>|undefined),
+ *            state: (ol.source.State|undefined)}}
  */
 ol.source.ImageOptions;
 
@@ -32,7 +33,8 @@ ol.source.Image = function(options) {
     attributions: options.attributions,
     extent: options.extent,
     logo: options.logo,
-    projection: options.projection
+    projection: options.projection,
+    state: options.state
   });
 
   /**