Add missing type casts for goog.partial

src/ol/renderer/webgl/webglimagelayerrenderer.js

@@ -139,7 +139,7 @@ ol.renderer.webgl.ImageLayer.prototype.prepareFrame = function(frameState, layer
         texture = this.createTexture_(image_);
         if (this.texture) {
           frameState.postRenderFunctions.push(
-              goog.partial(
+              /** @type {ol.PostRenderFunction} */ (goog.partial(
                   /**
                    * @param {WebGLRenderingContext} gl GL.
                    * @param {WebGLTexture} texture Texture.
@@ -148,7 +148,7 @@ ol.renderer.webgl.ImageLayer.prototype.prepareFrame = function(frameState, layer
                     if (!gl.isContextLost()) {
                       gl.deleteTexture(texture);
                     }
-                  }, gl, this.texture));
+                  }, gl, this.texture)));
         }
       }
     }

src/ol/renderer/webgl/webgllayerrenderer.js

@@ -95,7 +95,7 @@ ol.renderer.webgl.Layer.prototype.bindFramebuffer = function(frameState, framebu
       this.framebufferDimension != framebufferDimension) {
 
     frameState.postRenderFunctions.push(
-        goog.partial(
+        /** @type {ol.PostRenderFunction} */ (goog.partial(
             /**
              * @param {WebGLRenderingContext} gl GL.
              * @param {WebGLFramebuffer} framebuffer Framebuffer.
@@ -106,7 +106,7 @@ ol.renderer.webgl.Layer.prototype.bindFramebuffer = function(frameState, framebu
                 gl.deleteFramebuffer(framebuffer);
                 gl.deleteTexture(texture);
               }
-            }, gl, this.framebuffer, this.texture));
+            }, gl, this.framebuffer, this.texture)));
 
     var texture = ol.webgl.Context.createEmptyTexture(
         gl, framebufferDimension, framebufferDimension);

src/ol/renderer/webgl/webglmaprenderer.js

@@ -512,7 +512,9 @@ ol.renderer.webgl.Map.prototype.renderFrame = function(frameState) {
 
   if (this.textureCache_.getCount() - this.textureCacheFrameMarkerCount_ >
       ol.WEBGL_TEXTURE_CACHE_HIGH_WATER_MARK) {
-    frameState.postRenderFunctions.push(this.expireCache_.bind(this));
+    frameState.postRenderFunctions.push(
+      /** @type {ol.PostRenderFunction} */ (this.expireCache_.bind(this))
+    );
   }
 
   if (!this.tileTextureQueue_.isEmpty()) {