Remove unused variables in renderers

src/ol/renderer/canvas/canvastilelayerrenderer.js

@@ -270,7 +270,6 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
   var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
       tilesToDrawByZ, getTileIfLoaded);
 
-  var allTilesLoaded = true;
   var tmpExtent = ol.extent.createEmpty();
   var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
   var childTileRange, fullyLoaded, tile, tileState, x, y;
@@ -286,7 +285,6 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
         continue;
       }
 
-      allTilesLoaded = false;
       fullyLoaded = tileGrid.forEachTileCoordParentTileRange(
           tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
       if (!fullyLoaded) {

src/ol/renderer/dom/domtilelayerrenderer.js

@@ -115,7 +115,6 @@ ol.renderer.dom.TileLayer.prototype.renderFrame =
   var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
       tilesToDrawByZ, getTileIfLoaded);
 
-  var allTilesLoaded = true;
   var tmpExtent = ol.extent.createEmpty();
   var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
   var childTileRange, fullyLoaded, tile, tileState, x, y;
@@ -132,7 +131,6 @@ ol.renderer.dom.TileLayer.prototype.renderFrame =
         continue;
       }
 
-      allTilesLoaded = false;
       fullyLoaded = tileGrid.forEachTileCoordParentTileRange(
           tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
       if (!fullyLoaded) {

src/ol/renderer/maprenderer.js

@@ -22,12 +22,6 @@ ol.renderer.Map = function(container, map) {
 
   goog.base(this);
 
-  /**
-   * @private
-   * @type {Element}
-   */
-  this.container_ = container;
-
   /**
    * @private
    * @type {ol.Map}

src/ol/renderer/webgl/webgllayerrenderer.js

@@ -109,7 +109,6 @@ ol.renderer.webgl.Layer.prototype.bindFramebuffer =
   if (!goog.isDef(this.framebufferDimension) ||
       this.framebufferDimension != framebufferDimension) {
 
-    var map = this.getMap();
     frameState.postRenderFunctions.push(
         goog.partial(function(gl, framebuffer, texture) {
           if (!gl.isContextLost()) {

src/ol/renderer/webgl/webglmaprenderer.js

@@ -165,7 +165,6 @@ ol.renderer.webgl.Map = function(container, map) {
        * @return {number} Priority.
        */
       goog.bind(function(element) {
-        var tile = /** @type {ol.Tile} */ (element[0]);
         var tileCenter = /** @type {ol.Coordinate} */ (element[1]);
         var tileResolution = /** @type {number} */ (element[2]);
         var deltaX = tileCenter[0] - this.focus_[0];
@@ -312,7 +311,6 @@ ol.renderer.webgl.Map.prototype.createLayerRenderer = function(layer) {
  */
 ol.renderer.webgl.Map.prototype.deleteBuffer = function(buf) {
   var gl = this.getGL();
-  var arr = buf.getArray();
   var bufferKey = goog.getUid(buf);
   goog.asserts.assert(bufferKey in this.bufferCache_);
   var bufferCacheEntry = this.bufferCache_[bufferKey];
@@ -359,7 +357,7 @@ ol.renderer.webgl.Map.prototype.disposeInternal = function() {
  */
 ol.renderer.webgl.Map.prototype.expireCache_ = function(map, frameState) {
   var gl = this.getGL();
-  var key, textureCacheEntry;
+  var textureCacheEntry;
   while (this.textureCache_.getCount() - this.textureCacheFrameMarkerCount_ >
       ol.WEBGL_TEXTURE_CACHE_HIGH_WATER_MARK) {
     textureCacheEntry = /** @type {?ol.renderer.webgl.TextureCacheEntry} */
@@ -546,7 +544,6 @@ ol.renderer.webgl.Map.prototype.renderFrame = function(frameState) {
   this.textureCache_.set((-frameState.index).toString(), null);
   ++this.textureCacheFrameMarkerCount_;
 
-  var layerStates = frameState.layerStates;
   var layersArray = frameState.layersArray;
   var i, ii, layer, layerRenderer, layerState;
   for (i = 0, ii = layersArray.length; i < ii; ++i) {

test/spec/ol/renderer/webgl/webglimagelayerrenderer.test.js

@@ -6,7 +6,6 @@ describe('ol.renderer.webgl.ImageLayer', function() {
     var renderer;
     var canvasWidth;
     var canvasHeight;
-    var viewExtent;
     var viewResolution;
     var viewRotation;
     var viewCenter;