Auto merge of #5820 - dmarcos:firstTriangle, r=jdm

This is WIP. still have to clean up the code a little bit but I wanted to show the progress. I got really excited when I saw my first triangle on screen ```./mach run tests/ref/webgl-context/triangle.html```

![firsttriangle](https://cloud.githubusercontent.com/assets/39342/7313736/e3fdb41e-ea11-11e4-8c63-78523cd9dcc7.png)

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1 files changed, 38 insertions, 0 deletions

diff --git a/components/script/dom/webglbuffer.rs b/components/script/dom/webglbuffer.rs
new file mode 100644
index 00000000000..e5535fa36ab
--- /dev/null
+++ b/components/script/dom/webglbuffer.rs
@@ -0,0 +1,38 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
+use dom::bindings::codegen::Bindings::WebGLBufferBinding;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{Temporary, JSRef};
+use dom::bindings::utils::{Reflector, reflect_dom_object};
+
+#[dom_struct]
+pub struct WebGLBuffer {
+    reflector_: Reflector,
+    id: u32,
+}
+
+impl WebGLBuffer {
+    fn new_inherited(id: u32) -> WebGLBuffer {
+        WebGLBuffer {
+            reflector_: Reflector::new(),
+            id: id,
+        }
+    }
+
+    pub fn new(global: GlobalRef, id: u32) -> Temporary<WebGLBuffer> {
+        reflect_dom_object(box WebGLBuffer::new_inherited(id), global, WebGLBufferBinding::Wrap)
+    }
+}
+
+pub trait WebGLBufferHelpers {
+    fn get_id(&self) -> u32;
+}
+
+impl<'a> WebGLBufferHelpers for JSRef<'a, WebGLBuffer> {
+    fn get_id(&self) -> u32 {
+        self.id
+    }
+}