Replace goog.abstractMethod

src/ol/renderer/canvas/canvaslayerrenderer.js

@@ -164,15 +164,17 @@ ol.renderer.canvas.Layer.prototype.dispatchRenderEvent = function(context, frame
 
 
 /**
+ * @abstract
  * @return {HTMLCanvasElement|HTMLVideoElement|Image} Canvas.
  */
-ol.renderer.canvas.Layer.prototype.getImage = goog.abstractMethod;
+ol.renderer.canvas.Layer.prototype.getImage = function() {};
 
 
 /**
+ * @abstract
  * @return {!ol.Transform} Image transform.
  */
-ol.renderer.canvas.Layer.prototype.getImageTransform = goog.abstractMethod;
+ol.renderer.canvas.Layer.prototype.getImageTransform = function() {};
 
 
 /**
@@ -196,11 +198,12 @@ ol.renderer.canvas.Layer.prototype.getTransform = function(frameState, offsetX)
 
 
 /**
+ * @abstract
  * @param {olx.FrameState} frameState Frame state.
  * @param {ol.LayerState} layerState Layer state.
  * @return {boolean} whether composeFrame should be called.
  */
-ol.renderer.canvas.Layer.prototype.prepareFrame = goog.abstractMethod;
+ol.renderer.canvas.Layer.prototype.prepareFrame = function(frameState, layerState) {};
 
 
 /**

src/ol/renderer/dom/domlayerrenderer.js

@@ -47,8 +47,9 @@ ol.renderer.dom.Layer.prototype.getTarget = function() {
 
 
 /**
+ * @abstract
  * @param {olx.FrameState} frameState Frame state.
  * @param {ol.LayerState} layerState Layer state.
  * @return {boolean} whether composeFrame should be called.
  */
-ol.renderer.dom.Layer.prototype.prepareFrame = goog.abstractMethod;
+ol.renderer.dom.Layer.prototype.prepareFrame = function(frameState, layerState) {};

src/ol/renderer/maprenderer.js

@@ -82,11 +82,12 @@ ol.renderer.Map.prototype.calculateMatrices2D = function(frameState) {
 
 
 /**
+ * @abstract
  * @param {ol.layer.Layer} layer Layer.
  * @protected
  * @return {ol.renderer.Layer} layerRenderer Layer renderer.
  */
-ol.renderer.Map.prototype.createLayerRenderer = goog.abstractMethod;
+ol.renderer.Map.prototype.createLayerRenderer = function(layer) {};
 
 
 /**
@@ -288,9 +289,10 @@ ol.renderer.Map.prototype.getMap = function() {
 
 
 /**
+ * @abstract
  * @return {string} Type
  */
-ol.renderer.Map.prototype.getType = goog.abstractMethod;
+ol.renderer.Map.prototype.getType = function() {};
 
 
 /**

src/ol/renderer/webgl/webgllayerrenderer.js

@@ -249,9 +249,10 @@ ol.renderer.webgl.Layer.prototype.handleWebGLContextLost = function() {
 
 
 /**
+ * @abstract
  * @param {olx.FrameState} frameState Frame state.
  * @param {ol.LayerState} layerState Layer state.
  * @param {ol.webgl.Context} context Context.
  * @return {boolean} whether composeFrame should be called.
  */
-ol.renderer.webgl.Layer.prototype.prepareFrame = goog.abstractMethod;
+ol.renderer.webgl.Layer.prototype.prepareFrame = function(frameState, layerState, context) {};