merge from master

1 files changed, 7 insertions, 1 deletions

diff --git a/components/script/dom/webglprogram.rs b/components/script/dom/webglprogram.rs
index 88052215254..44958f358ba 100644
--- a/components/script/dom/webglprogram.rs
+++ b/components/script/dom/webglprogram.rs
@@ -58,7 +58,7 @@ impl WebGLProgram {
     pub fn delete(&self) {
         if !self.is_deleted.get() {
             self.is_deleted.set(true);
-            self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::DeleteProgram(self.id))).unwrap();
+            let _ = self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::DeleteProgram(self.id)));
         }
     }
 
@@ -125,3 +125,9 @@ impl WebGLProgram {
         Ok(receiver.recv().unwrap())
     }
 }
+
+impl Drop for WebGLProgram {
+    fn drop(&mut self) {
+        self.delete();
+    }
+}