From da2a291208a558063091fe86ddb20c659507f9d3 Mon Sep 17 00:00:00 2001
From: Guillaume Beraudo <guillaume.beraudo@camptocamp.com>
Date: Thu, 28 Aug 2014 17:21:41 +0200
Subject: [PATCH 1/2] ol.layer.Vector.getSource return type specialisation.

---
 src/ol/layer/vectorlayer.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/ol/layer/vectorlayer.js b/src/ol/layer/vectorlayer.js
index 5eb7aee294..2a8f5ff163 100644
--- a/src/ol/layer/vectorlayer.js
+++ b/src/ol/layer/vectorlayer.js
@@ -67,6 +67,14 @@ ol.layer.Vector.prototype.getRenderOrder = function() {
 };
 
 
+/**
+ * @function
+ * @return {ol.source.Vector} Source.
+ * @api stable
+ */
+ol.layer.Vector.prototype.getSource;
+
+
 /**
  * Get the style for features.  This returns whatever was passed to the `style`
  * option at construction or to the `setStyle` method.

From 4a21ad566aed6be3a9949dfd25dba43877cdfc9a Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Fri, 29 Aug 2014 08:55:47 +0200
Subject: [PATCH 2/2] Remove unnecessary type cast

---
 examples/gpx.js                                     | 2 +-
 examples/kml.js                                     | 2 +-
 src/ol/renderer/canvas/canvasvectorlayerrenderer.js | 2 --
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/examples/gpx.js b/examples/gpx.js
index f1d748dce0..02361d7f3c 100644
--- a/examples/gpx.js
+++ b/examples/gpx.js
@@ -96,7 +96,7 @@ map.on('click', function(evt) {
 
 var exportGPXElement = document.getElementById('export-gpx');
 if ('download' in exportGPXElement) {
-  var vectorSource = /** @type {ol.source.Vector} */ (vector.getSource());
+  var vectorSource = vector.getSource();
   exportGPXElement.addEventListener('click', function(e) {
     if (!exportGPXElement.href) {
       var features = [];
diff --git a/examples/kml.js b/examples/kml.js
index ca4c23ac96..b4ec38028b 100644
--- a/examples/kml.js
+++ b/examples/kml.js
@@ -63,7 +63,7 @@ map.on('click', function(evt) {
 
 var exportKMLElement = document.getElementById('export-kml');
 if ('download' in exportKMLElement) {
-  var vectorSource = /** @type {ol.source.Vector} */ (vector.getSource());
+  var vectorSource = vector.getSource();
   exportKMLElement.addEventListener('click', function(e) {
     if (!exportKMLElement.href) {
       var features = [];
diff --git a/src/ol/renderer/canvas/canvasvectorlayerrenderer.js b/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
index 4e90b9b973..e1a0ad69f2 100644
--- a/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
+++ b/src/ol/renderer/canvas/canvasvectorlayerrenderer.js
@@ -11,7 +11,6 @@ goog.require('ol.render.EventType');
 goog.require('ol.render.canvas.ReplayGroup');
 goog.require('ol.renderer.canvas.Layer');
 goog.require('ol.renderer.vector');
-goog.require('ol.source.Vector');
 
 
 
@@ -168,7 +167,6 @@ ol.renderer.canvas.VectorLayer.prototype.prepareFrame =
   var vectorLayer = /** @type {ol.layer.Vector} */ (this.getLayer());
   goog.asserts.assertInstanceof(vectorLayer, ol.layer.Vector);
   var vectorSource = vectorLayer.getSource();
-  goog.asserts.assertInstanceof(vectorSource, ol.source.Vector);
 
   this.updateAttributions(
       frameState.attributions, vectorSource.getAttributions());